{"id":1017,"date":"2026-10-24T20:10:13","date_gmt":"2026-10-24T20:10:13","guid":{"rendered":"https:\/\/subiapower.com\/?page_id=1017"},"modified":"2026-11-13T07:40:23","modified_gmt":"2026-11-13T07:40:23","slug":"dry-type-transformers","status":"publish","type":"page","link":"https:\/\/subiapower.com\/es\/transformers\/dry-type-transformers\/","title":{"rendered":"Transformadores secos"},"content":{"rendered":"\n<style id=\"subia-oil-template-style\">#subia-oil-template{display:block;width:100%;max-width:none;margin:0;padding:0;background:#fff;text-align:start;text-transform:none;letter-spacing:normal;overflow:visible}\n#subia-oil-template,#subia-oil-template *,#subia-oil-template *::before,#subia-oil-template *::after{box-sizing:border-box}\n#subia-oil-template :where(p,button,input,select){font-size:inherit;line-height:inherit;letter-spacing:normal}\n#subia-oil-template :where(h1,h2,h3){text-transform:none;font-style:normal}\n#subia-oil-template 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.series-range{font-size:13px}\n#subia-oil-template .text-link{min-height:44px;font-size:14px}\n#subia-oil-template .table-wrap table{min-width:660px}\n#subia-oil-template table{font-size:14px;line-height:1.6}\n#subia-oil-template th,#subia-oil-template td{padding:15px}\n#subia-oil-template caption{font-size:13px;padding:14px 15px}\n#subia-oil-template .model-code summary{font-size:16px;padding:22px 0}\n#subia-oil-template .construction-grid{gap:30px}\n#subia-oil-template .process-photo img{height:300px;object-position:55% center}\n#subia-oil-template .technical-list{grid-template-columns:1fr;gap:0;margin-top:30px}\n#subia-oil-template .technical-list>div{grid-template-columns:33fr 67fr;gap:22px;padding:23px 0}\n#subia-oil-template .technical-list dt{font-size:16px}\n#subia-oil-template .technical-list dd,#subia-oil-template .technical-list dd span{font-size:14px}\n#subia-oil-template .split-section,#subia-oil-template .high-voltage-grid{grid-template-columns:1fr;gap:30px;margin-bottom:30px}\n#subia-oil-template .split-section .equipment-figure{order:-1}\n#subia-oil-template .equipment-figure img{height:370px}\n#subia-oil-template .equipment-figure figcaption{font-size:11px}\n#subia-oil-template .performance-grid{gap:32px}\n#subia-oil-template .action-row{gap:18px;flex-direction:column;align-items:flex-start}\n#subia-oil-template .document-row{align-items:flex-start;gap:20px;flex-direction:column;padding:25px 0}\n#subia-oil-template .document-row strong{font-size:18px}\n#subia-oil-template .document-row small{font-size:13px}\n#subia-oil-template .document-action{min-height:40px;font-size:14px}\n#subia-oil-template .document-footnote{font-size:14px;margin-top:25px}\n#subia-oil-template .rfq>.rail{grid-template-columns:1fr;gap:30px}\n#subia-oil-template .rfq .button{justify-self:start}\n#subia-oil-template .rfq p{font-size:15px}\n#subia-oil-template .oil-modal{width:100vw;height:100dvh;max-height:100dvh;margin:0;box-shadow:none}\n#subia-oil-template .oil-modal>header{padding:18px 16px;gap:18px}\n#subia-oil-template .oil-modal>header h2{font-size:21px;letter-spacing:-.025em}\n#subia-oil-template .oil-modal>header .icon-button{width:42px;height:42px}\n#subia-oil-template .modal-tabs{padding:0 16px;gap:25px;overflow:auto}\n#subia-oil-template .modal-tabs button{font-size:13px;padding:16px 0}\n#subia-oil-template [data-modal-scroll]{padding:22px 16px}\n#subia-oil-template .modal-overview{display:flex;flex-direction:column;gap:30px}\n#subia-oil-template .modal-gallery{width:100%}\n#subia-oil-template .gallery-stage{height:290px}\n#subia-oil-template .gallery-thumbs{gap:8px}\n#subia-oil-template .gallery-thumbs button{width:70px;height:64px}\n#subia-oil-template .modal-overview p{font-size:15px}\n#subia-oil-template .oil-modal>footer{padding:14px 16px;gap:16px}\n#subia-oil-template .oil-modal>footer>span{display:none}\n#subia-oil-template .oil-modal>footer .button{width:100%;min-height:48px}\n#subia-oil-template .modal-facts>div{grid-template-columns:42fr 58fr;gap:18px}\n#subia-oil-template .rating-toolbar{gap:15px;align-items:flex-start;flex-direction:column;margin-top:28px}\n#subia-oil-template .rating-toolbar label{gap:12px;flex-wrap:wrap}\n#subia-oil-template .rating-toolbar select{font-size:16px}\n#subia-oil-template .rating-toolbar p{font-size:13px}\n#subia-oil-template .scroll-hint{font-size:12px}\n#subia-oil-template .oil-modal .document-row{padding-block:20px}\n#subia-oil-template .oil-modal .document-row strong{font-size:17px}\n#subia-oil-template .oil-modal .table-wrap table{min-width:600px}\n#subia-oil-template .oil-modal [data-rating-matrix]{min-width:1050px}\n}\n@media(max-width:360px){\n#subia-oil-template .oil-hero h1{font-size:37px}\n#subia-oil-template .oil-hero{min-height:510px}\n#subia-oil-template .product-photo img{height:270px}\n#subia-oil-template .equipment-figure img{height:310px}\n#subia-oil-template .oil-modal>header h2{font-size:19px}\n#subia-oil-template .modal-tabs{gap:22px}\n}\n#subia-oil-template .section-heading>*,#subia-oil-template .construction-grid>*,#subia-oil-template .split-section>*,#subia-oil-template .performance-grid>*,#subia-oil-template .high-voltage-grid>*,#subia-oil-template .modal-overview>*{min-width:0}\n#subia-oil-template .oil-modal [data-modal-panel=technical] table:not([data-rating-matrix]){min-width:0}\n#subia-oil-template a:hover,#subia-oil-template .text-link:hover{color:var(--slate)}\n#subia-oil-template .button-orange:hover{background:var(--slate);border-color:var(--slate);color:#fff}\n#subia-oil-template .hero-caption{font-size:11px}\n@media(min-width:768px) and (max-width:1000px){\n#subia-oil-template .app-explorer.is-interactive .app-panel-image{grid-row:1}\n#subia-oil-template .app-explorer.is-interactive .app-panel-image img{height:auto;min-height:0}\n#subia-oil-template .app-explorer.is-interactive .app-panel-copy{grid-column:1\/-1;grid-row:2;align-self:start;max-width:90ch}\n#subia-oil-template .app-tab{min-height:90px;padding:14px 12px}\n}\n@media(prefers-reduced-motion:reduce){\n#subia-oil-template *,#subia-oil-template *::before,#subia-oil-template *::after{scroll-behavior:auto!important;transition:none!important}\n}\n@media print{\n#subia-oil-template .section-nav,#subia-oil-template .oil-modal,#subia-oil-template .text-link,#subia-oil-template .button{display:none!important}\n#subia-oil-template .rail{width:100%}\n#subia-oil-template .oil-hero{min-height:270px}\n#subia-oil-template .oil-section{padding:30px 0}\n#subia-oil-template .table-wrap{overflow:visible}\n#subia-oil-template .table-wrap table{font-size:10px;min-width:0}\n#subia-oil-template .oil-section{break-inside:avoid}\n#subia-oil-template h2{font-size:26px}\n}\n#subia-oil-template .oil-modal .modal-document-link{font-size:13px;gap:12px;flex-shrink:0}\n@media(max-width:700px){\n#subia-oil-template .oil-modal>footer{flex-wrap:wrap;justify-content:center;gap:10px}\n#subia-oil-template .oil-modal .modal-document-link{font-size:12px}\n}\n#subia-oil-template .app-section .section-heading{margin-bottom:46px;align-items:start}\n#subia-oil-template .app-section .section-heading>p{max-width:64ch}\n#subia-oil-template .app-scenes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:34px}\n#subia-oil-template .app-scene{min-width:0}\n#subia-oil-template .app-scene-image{margin:0 0 26px;overflow:hidden;background:var(--paper)}\n#subia-oil-template .app-scene-image img{display:block;width:100%;height:auto;aspect-ratio:3\/2;object-fit:cover}\n#subia-oil-template .app-scene h3{font-size:25px;line-height:1.3;letter-spacing:-.025em;margin:0 0 16px;max-width:22ch}\n#subia-oil-template .app-scene p{font-size:15px;line-height:1.8;max-width:46ch;margin:0}\n#subia-oil-template .app-image-note{font-size:12px;line-height:1.6;color:#536b74;margin:28px 0 0}\n#subia-oil-template .site-conditions-section{border-bottom:1px solid var(--line)}\n#subia-oil-template .site-conditions-layout{display:grid;grid-template-columns:35fr 65fr;gap:76px;align-items:start}\n#subia-oil-template .site-conditions-layout>*{min-width:0}\n#subia-oil-template .site-conditions-intro h2{max-width:12ch}\n#subia-oil-template .site-conditions-intro p{font-size:15px;line-height:1.8;max-width:44ch}\n#subia-oil-template .site-condition-list{margin:0}\n#subia-oil-template .site-condition-list>div{display:grid;grid-template-columns:28fr 72fr;gap:30px;padding:25px 0;border-top:1px solid #c5d5d9}\n#subia-oil-template .site-condition-list>div:last-child{border-bottom:1px solid #c5d5d9}\n#subia-oil-template .site-condition-list dt{font-size:18px;line-height:1.45;font-weight:550;color:var(--slate)}\n#subia-oil-template .site-condition-list dd{margin:0;min-width:0}\n#subia-oil-template .site-condition-list dd>p{font-size:15px;line-height:1.65;margin:0}\n#subia-oil-template .site-condition-list .site-design-review{font-size:13px;color:#536b74;margin-top:12px}\n#subia-oil-template .site-design-review>span{display:block;font-size:11px;font-weight:550;color:var(--teal);margin-bottom:3px}\n@media(max-width:1200px){\n#subia-oil-template .app-scenes{gap:26px}\n#subia-oil-template .app-scene h3{font-size:23px}\n#subia-oil-template .site-conditions-layout{gap:45px;grid-template-columns:36fr 64fr}\n#subia-oil-template .site-condition-list>div{grid-template-columns:30fr 70fr;gap:24px}\n}\n@media(max-width:1000px){\n#subia-oil-template .app-scenes{gap:22px}\n#subia-oil-template .app-scene h3{font-size:21px}\n#subia-oil-template .app-scene p{font-size:14px}\n#subia-oil-template .site-conditions-layout{grid-template-columns:1fr;gap:34px}\n#subia-oil-template .site-conditions-intro h2{max-width:none}\n#subia-oil-template .site-conditions-intro p{max-width:80ch}\n#subia-oil-template .site-condition-list>div{grid-template-columns:27fr 73fr}\n}\n@media(max-width:767px){\n#subia-oil-template .app-section .section-heading{margin-bottom:32px}\n#subia-oil-template .app-scenes{grid-template-columns:1fr;gap:42px}\n#subia-oil-template .app-scene-image{margin-bottom:22px}\n#subia-oil-template .app-scene h3{font-size:26px;margin-bottom:14px;max-width:none}\n#subia-oil-template .app-scene p{font-size:15px;max-width:none}\n#subia-oil-template .app-image-note{margin-top:26px;font-size:12px}\n#subia-oil-template .site-conditions-layout{gap:30px}\n#subia-oil-template .site-conditions-intro p{font-size:15px}\n#subia-oil-template .site-condition-list>div{grid-template-columns:1fr;gap:13px;padding:24px 0}\n#subia-oil-template .site-condition-list dt{font-size:19px}\n#subia-oil-template .site-condition-list dd>p{font-size:15px}\n#subia-oil-template .site-condition-list .site-design-review{font-size:14px;margin-top:11px}\n#subia-oil-template .site-design-review>span{font-size:12px}\n}\n@media print{\n#subia-oil-template .app-scenes{gap:20px}\n#subia-oil-template .site-conditions-layout{grid-template-columns:1fr;gap:22px}\n#subia-oil-template .site-condition-list>div{padding:14px 0;break-inside:avoid}\n#subia-oil-template .app-scene-image img{break-inside:avoid}\n}\n#subia-oil-template .balanced-section .balanced-heading,#subia-oil-template .site-conditions-header .balanced-heading{max-width:none;margin-bottom:36px}\n#subia-oil-template .balanced-copy{display:grid;gap:48px;margin-bottom:44px;align-items:start}\n#subia-oil-template .balanced-copy-2{grid-template-columns:repeat(2,minmax(0,1fr))}\n#subia-oil-template .balanced-copy-3{grid-template-columns:repeat(3,minmax(0,1fr))}\n#subia-oil-template .balanced-copy>div{min-width:0}\n#subia-oil-template .balanced-copy h3{font-size:21px;line-height:1.35;letter-spacing:-.02em;margin:0 0 18px}\n#subia-oil-template .balanced-copy p{font-size:16px;line-height:1.8;margin:0;max-width:74ch}\n#subia-oil-template .balanced-section.dark .balanced-copy h3{color:#fff}\n#subia-oil-template .balanced-section .balanced-copy+.technical-list{margin-top:0}\n#subia-oil-template .app-explorer{min-width:0}\n#subia-oil-template .app-explorer .app-tabs{display:none}\n#subia-oil-template .app-panels{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:34px;min-width:0}\n#subia-oil-template .app-panel{min-width:0}\n#subia-oil-template .app-panel-image{margin:0 0 25px;background:var(--paper);overflow:hidden}\n#subia-oil-template .app-panel-image img{display:block;width:100%;height:auto;aspect-ratio:3\/2;object-fit:cover}\n#subia-oil-template .app-panel-copy h3{font-size:26px;line-height:1.3;letter-spacing:-.025em;margin:0 0 16px}\n#subia-oil-template .app-panel-copy p{font-size:15px;line-height:1.8;margin:0;max-width:74ch}\n#subia-oil-template .app-explorer.is-interactive{display:grid;grid-template-columns:minmax(0,65fr) minmax(0,35fr);grid-template-rows:auto 1fr;gap:36px 48px;align-items:start}\n#subia-oil-template .app-explorer.is-interactive .app-panels{display:contents}\n#subia-oil-template .app-explorer.is-interactive .app-panel{display:grid;grid-column:1\/-1;grid-row:1\/3;grid-template-columns:subgrid;grid-template-rows:subgrid}\n#subia-oil-template .app-explorer.is-interactive .app-panel-image{grid-column:1;grid-row:1\/3;margin:0;align-self:stretch}\n#subia-oil-template .app-explorer.is-interactive .app-panel-image img{height:100%;min-height:100%;object-fit:cover}\n#subia-oil-template .app-explorer.is-interactive .app-panel-copy{grid-column:2;grid-row:2;align-self:end}\n#subia-oil-template .app-explorer.is-interactive .app-tabs{display:flex;flex-direction:column;grid-column:2;grid-row:1;align-self:start;min-width:0;position:relative;z-index:1}\n#subia-oil-template .app-tab{display:grid;grid-template-columns:88px minmax(0,1fr) 20px;gap:18px;align-items:center;width:100%;min-height:112px;padding:18px 16px;border:0;border-bottom:1px solid var(--line);background:transparent;color:var(--slate);text-align:left;font:550 19px\/1.45 Lexend,sans-serif;transition:background .18s ease,color .18s ease,border-color .18s ease}\n#subia-oil-template .app-tab:first-child{border-top:1px solid var(--line)}\n#subia-oil-template .app-tab img{display:block;width:88px;height:auto;aspect-ratio:3\/2;object-fit:cover}\n#subia-oil-template .app-tab>svg{display:block;width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6}\n#subia-oil-template .app-tab:hover{background:#edf3f4;color:var(--teal)}\n#subia-oil-template .app-tab[aria-selected=\"true\"]{background:var(--paper);color:var(--teal);border-bottom-color:var(--teal)}\n#subia-oil-template .app-explorer.is-interactive .app-panel-copy h3{font-size:29px}\n#subia-oil-template .app-explorer.is-interactive .app-panel[hidden]{display:none}\n#subia-oil-template .site-conditions-header .balanced-copy{margin-bottom:46px}\n#subia-oil-template .site-condition-accordion{border-top:1px solid #c5d5d9}\n#subia-oil-template .site-condition{--site-title-column:30%;border-bottom:1px solid #c5d5d9}\n#subia-oil-template .site-condition summary{list-style:none;display:grid;grid-template-columns:var(--site-title-column) minmax(0,1fr) 24px;gap:30px;align-items:start;padding:26px 0;cursor:pointer;transition:color .15s ease}\n#subia-oil-template .site-condition summary::-webkit-details-marker{display:none}\n#subia-oil-template .site-condition-title{font-size:19px;font-weight:550;line-height:1.45;color:var(--slate)}\n#subia-oil-template .site-condition-input{font-size:16px;line-height:1.7;color:var(--copy)}\n#subia-oil-template .site-condition summary:hover .site-condition-title{color:var(--teal)}\n#subia-oil-template .site-condition-toggle{width:24px;height:24px;fill:none;stroke:var(--teal);stroke-width:1.5;flex-shrink:0;margin-top:2px}\n#subia-oil-template .site-condition-toggle .site-toggle-vertical{transform-origin:center;transition:transform .18s ease,opacity .18s ease}\n#subia-oil-template .site-condition[open] .site-toggle-vertical{transform:rotate(90deg);opacity:0}\n#subia-oil-template .site-condition[open] summary{padding-bottom:18px}\n#subia-oil-template .site-condition-body{padding:0 54px 26px calc(var(--site-title-column) + 30px)}\n#subia-oil-template .site-condition-body .site-design-review{font-size:14px;line-height:1.7;color:#536b74;margin:0}\n#subia-oil-template .site-condition-body .site-design-review>span{font-size:12px;margin-bottom:5px}\n#subia-oil-template .section-nav a[aria-current=\"location\"]{border-bottom-color:var(--teal);color:var(--teal)}\n#subia-oil-template .section-nav::after{content:\"\";position:absolute;bottom:-1px;left:0;width:100%;height:2px;background:var(--teal);transform:scaleX(var(--reading-progress,0));transform-origin:left center;pointer-events:none}\n@media(max-width:1200px){\n#subia-oil-template .balanced-copy{gap:34px}\n#subia-oil-template .app-explorer.is-interactive{grid-template-columns:minmax(0,63fr) minmax(0,37fr);gap:32px}\n#subia-oil-template .app-tab{grid-template-columns:82px minmax(0,1fr) 18px;gap:14px;padding:20px 12px;font-size:17px;min-height:114px}\n#subia-oil-template .app-tab img{width:82px}\n#subia-oil-template .app-tab>svg{width:18px}\n#subia-oil-template .site-condition{--site-title-column:28%}\n}\n@media(max-width:1000px){\n#subia-oil-template .balanced-copy-3{grid-template-columns:repeat(2,minmax(0,1fr))}\n#subia-oil-template .balanced-copy-3>div:last-child{grid-column:1\/-1;max-width:90ch}\n#subia-oil-template .balanced-copy h3{font-size:20px}\n#subia-oil-template .balanced-copy p{font-size:15px}\n#subia-oil-template .app-explorer.is-interactive{grid-template-columns:minmax(0,60fr) minmax(0,40fr);gap:24px}\n#subia-oil-template .app-tab{grid-template-columns:68px minmax(0,1fr);gap:14px;font-size:16px;min-height:102px;padding:18px 12px}\n#subia-oil-template .app-tab img{width:68px}\n#subia-oil-template .app-tab>svg{display:none}\n#subia-oil-template .app-explorer.is-interactive .app-panel-copy h3{font-size:26px}\n#subia-oil-template .site-condition summary{gap:22px}\n#subia-oil-template .site-condition-body{padding-left:calc(var(--site-title-column) + 22px)}\n}\n@media(max-width:767px){\n#subia-oil-template .balanced-section .balanced-heading,#subia-oil-template .site-conditions-header .balanced-heading{margin-bottom:30px}\n#subia-oil-template .balanced-copy,#subia-oil-template .balanced-copy-2,#subia-oil-template .balanced-copy-3{grid-template-columns:1fr;gap:28px;margin-bottom:34px}\n#subia-oil-template .balanced-copy-3>div:last-child{grid-column:auto}\n#subia-oil-template .balanced-copy h3{font-size:21px;margin-bottom:13px}\n#subia-oil-template .balanced-copy p{font-size:15px}\n#subia-oil-template .app-panels{grid-template-columns:1fr;gap:38px}\n#subia-oil-template .app-explorer.is-interactive{display:flex;flex-direction:column;gap:25px}\n#subia-oil-template .app-explorer.is-interactive .app-panels{display:block;width:100%}\n#subia-oil-template .app-explorer.is-interactive .app-panel{display:block}\n#subia-oil-template .app-explorer.is-interactive .app-panel-image{margin-bottom:22px}\n#subia-oil-template .app-explorer.is-interactive .app-panel-image img{height:auto;min-height:0}\n#subia-oil-template .app-explorer.is-interactive .app-tabs{display:flex;flex-direction:row;gap:0;width:100%;align-self:stretch;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:thin}\n#subia-oil-template .app-tab{flex:0 0 208px;width:208px;min-height:80px;grid-template-columns:54px minmax(0,1fr);gap:12px;padding:14px 12px;border-top:1px solid var(--line);font-size:14px}\n#subia-oil-template .app-tab img{width:54px}\n#subia-oil-template .app-panel-image{margin-bottom:22px}\n#subia-oil-template .app-explorer.is-interactive .app-panel-copy h3{font-size:26px}\n#subia-oil-template .app-panel-copy p{font-size:15px}\n#subia-oil-template .site-conditions-header .balanced-copy{margin-bottom:34px}\n#subia-oil-template .site-condition summary{grid-template-columns:minmax(0,1fr) 24px;gap:12px 18px;padding:23px 0}\n#subia-oil-template .site-condition-title{grid-column:1;grid-row:1;font-size:19px}\n#subia-oil-template .site-condition-input{grid-column:1;grid-row:2;font-size:15px}\n#subia-oil-template .site-condition-toggle{grid-column:2;grid-row:1}\n#subia-oil-template .site-condition[open] summary{padding-bottom:15px}\n#subia-oil-template .site-condition-body{padding:0 42px 23px 0}\n#subia-oil-template .site-condition-body .site-design-review{font-size:14px}\n#subia-oil-template .site-condition-body .site-design-review>span{font-size:12px}\n}\n@media(min-width:768px) and (max-width:1000px){\n#subia-oil-template .app-explorer.is-interactive .app-panel-image{grid-row:1}\n#subia-oil-template .app-explorer.is-interactive .app-panel-image img{height:auto;min-height:0}\n#subia-oil-template .app-explorer.is-interactive .app-panel-copy{grid-column:1\/-1;grid-row:2;align-self:start;max-width:90ch}\n#subia-oil-template .app-tab{min-height:90px;padding:14px 12px}\n}\n@media(prefers-reduced-motion:reduce){\n#subia-oil-template .app-tab,#subia-oil-template .site-condition summary,#subia-oil-template .site-condition-toggle .site-toggle-vertical{transition:none}\n}\n@media print{\n#subia-oil-template .app-explorer.is-interactive{display:block}\n#subia-oil-template .app-explorer .app-tabs{display:none!important}\n#subia-oil-template .app-explorer.is-interactive .app-panel[hidden]{display:block!important}\n#subia-oil-template .app-panels,#subia-oil-template .app-explorer.is-interactive .app-panels{display:block}\n#subia-oil-template .app-explorer.is-interactive .app-panel{display:block}\n#subia-oil-template .app-explorer.is-interactive .app-panel-image{margin-bottom:20px}\n#subia-oil-template .app-panel{margin-bottom:24px;break-inside:avoid}\n#subia-oil-template .balanced-copy{gap:24px}\n#subia-oil-template .site-condition-body{display:block!important}\n#subia-oil-template .section-nav::after{display:none}\n}\n#subia-oil-template .series-grid[data-product-count=\"4\"],#subia-oil-template .series-grid[data-product-count=\"2\"]{grid-template-columns:repeat(2,minmax(0,1fr));gap:64px 48px}\n#subia-oil-template .series-grid[data-product-count=\"1\"]{grid-template-columns:minmax(0,1fr)}\n#subia-oil-template .series-grid[data-product-count=\"1\"] .series-product{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0 56px}\n#subia-oil-template .series-grid[data-product-count=\"1\"] .product-photo{grid-row:1\/5}\n#subia-oil-template .series-grid[data-product-count=\"1\"] .series-product h3{align-self:end}\n#subia-oil-template 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.anchor-alias{display:block;height:0}#subia-oil-template .oil-section[id],#subia-oil-template .anchor-alias,#subia-oil-template .series-product[id]{scroll-margin-top:max(180px,calc(var(--oil-header-offset,0px) + var(--oil-nav-height,65px) + 24px))}\n@media(max-width:767px){#subia-oil-template .table-wrap table.property-table{min-width:0;width:100%;table-layout:fixed}#subia-oil-template .table-wrap table.property-table th:first-child{width:40%}#subia-oil-template .table-wrap table.property-table th,#subia-oil-template .table-wrap table.property-table td{overflow-wrap:anywhere}}\n<\/style>\n<div id=\"subia-oil-template\" class=\"subia-oil-template alignfull pd-exhibition\">\n<section class=\"oil-hero\"><img decoding=\"async\" class=\"hero-scene\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/09\/subia-group-production-workshop.webp\" alt=\"Transformer manufacturing workshop\" width=\"2000\" height=\"1333\" fetchpriority=\"high\"><div class=\"hero-shade\"><\/div><div class=\"rail hero-content\"><h1>Dry-type<br>Transformers<\/h1><p>Cast-resin and amorphous-core designs<br class=\"desktop-break\"> for indoor power distribution.<\/p><\/div><div class=\"rail hero-caption\">Transformer manufacturing workshop<\/div><\/section><nav class=\"section-nav\" aria-label=\"On this page\"><div class=\"rail\"><a href=\"#series\">Series<\/a><a href=\"#electrical-range\">Electrical range<\/a><a href=\"#construction\">Construction<\/a><a href=\"#dry-cooling-design\">Cooling &amp; enclosure<\/a><a href=\"#dry-electrical-review\">Technical review<\/a><a href=\"#applications\">Applications<\/a><a href=\"#site-conditions\">Buyer FAQs<\/a><\/div><\/nav><p class=\"rail product-error\" data-product-error role=\"status\" hidden><\/p><section class=\"sc-section oil-section series-section\" id=\"series\"><div class=\"rail\"><span aria-hidden=\"true\" class=\"anchor-alias\" id=\"series-products\"><\/span><div class=\"section-heading\"><h2>Dry-type<br\/>transformer series<\/h2><p>SCB cast-resin designs for 6\u201310 kV, 20 kV and 35 kV systems, alongside the SCBH amorphous-core family.<\/p><\/div><div class=\"sc-grid series-grid\" data-product-count=\"4\" data-sc-count=\"4\"><article class=\"series-product sc-card\" data-sc-card=\"1\" id=\"record-dry-scb-6-10kv\"><div aria-hidden=\"true\" class=\"ex-voltage\">6\u201310<small>kV<\/small><\/div><button aria-label=\"View 6\u201310 kV Cast-resin Transformers\" class=\"product-photo sc-card-media\" data-open-product=\"dry-scb-6-10kv\" type=\"button\"><span aria-hidden=\"true\" class=\"sc-brand\"><\/span><span class=\"sc-art sc-art-img\" style=\"--sc-ratio:1.2066772655;--sc-source-width:126.4822134387%;--sc-source-left:-14.2292490119%;--sc-source-top:-27.3449920509%\"><span class=\"sc-art-window\"><img alt=\"6\u201310 kV Cast-resin Transformers\" class=\"sc-source\" decoding=\"async\" height=\"960\" loading=\"lazy\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f049-960-c771b32f.webp\" width=\"960\"\/><\/span><\/span><\/button><div class=\"split-card-copy\"><div class=\"sc-card-heading\"><h3>6\u201310 kV Cast-resin Transformers<\/h3><\/div><div class=\"sc-card-meta\"><p class=\"series-range\">30\u20134000 kVA at 10 kV \u00b7 SCB12 \/ SCB14 \/ SCB18<\/p><\/div><div class=\"sc-card-description\"><p>Three-phase cast-resin distribution transformers with SCB12, SCB14 and SCB18 rating schedules.<\/p><\/div><div class=\"sc-card-action\"><button class=\"text-link\" data-open-product=\"dry-scb-6-10kv\" data-start-tab=\"overview\" type=\"button\">View series details<svg aria-hidden=\"true\" viewbox=\"0 0 24 24\"><path d=\"M4 12h15m-6-6 6 6-6 6\"><\/path><\/svg><\/button><\/div><\/div><\/article><article class=\"series-product sc-card\" data-sc-card=\"2\" id=\"record-dry-scb-20kv\"><div aria-hidden=\"true\" class=\"ex-voltage\">20<small>kV<\/small><\/div><button aria-label=\"View 20 kV Cast-resin Transformers\" class=\"product-photo sc-card-media\" data-open-product=\"dry-scb-20kv\" type=\"button\"><span aria-hidden=\"true\" class=\"sc-brand\"><\/span><span class=\"sc-art sc-art-img\" style=\"--sc-ratio:0.9500000000;--sc-source-width:168.4210526316%;--sc-source-left:-37.5438596491%;--sc-source-top:-32.8333333333%\"><span class=\"sc-art-window\"><img alt=\"20 kV Cast-resin Transformers\" class=\"sc-source\" decoding=\"async\" height=\"960\" loading=\"lazy\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f042-960-90175c81.webp\" width=\"960\"\/><\/span><\/span><\/button><div class=\"split-card-copy\"><div class=\"sc-card-heading\"><h3>20 kV Cast-resin Transformers<\/h3><\/div><div class=\"sc-card-meta\"><p class=\"series-range\">30\u20134000 kVA at 20 kV \u00b7 SCB Series<\/p><\/div><div class=\"sc-card-description\"><p>Cast-resin distribution transformers with 20, 22 and 24 kV primary-voltage options.<\/p><\/div><div class=\"sc-card-action\"><button class=\"text-link\" data-open-product=\"dry-scb-20kv\" data-start-tab=\"overview\" type=\"button\">View series details<svg aria-hidden=\"true\" viewbox=\"0 0 24 24\"><path d=\"M4 12h15m-6-6 6 6-6 6\"><\/path><\/svg><\/button><\/div><\/div><\/article><article class=\"series-product sc-card\" data-sc-card=\"3\" id=\"record-dry-scb-35kv\"><div aria-hidden=\"true\" class=\"ex-voltage\">35<small>kV<\/small><\/div><button aria-label=\"View 35 kV Cast-resin Transformers\" class=\"product-photo sc-card-media\" data-open-product=\"dry-scb-35kv\" type=\"button\"><span aria-hidden=\"true\" class=\"sc-brand\"><\/span><span class=\"sc-art sc-art-img\" style=\"--sc-ratio:0.7958833619;--sc-source-width:206.8965517241%;--sc-source-left:-53.4482758621%;--sc-source-top:-46.4837049743%\"><span class=\"sc-art-window\"><img alt=\"35 kV Cast-resin Transformers\" class=\"sc-source\" decoding=\"async\" height=\"960\" loading=\"lazy\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f046-960-89cb1037.webp\" width=\"960\"\/><\/span><\/span><\/button><div class=\"split-card-copy\"><div class=\"sc-card-heading\"><h3>35 kV Cast-resin Transformers<\/h3><\/div><div class=\"sc-card-meta\"><p class=\"series-range\">35 kV \u00b7 SCB series<\/p><\/div><div class=\"sc-card-description\"><p>Three-phase resin-insulated construction for 35 kV indoor distribution and infrastructure installations.<\/p><\/div><div class=\"sc-card-action\"><button class=\"text-link\" data-open-product=\"dry-scb-35kv\" data-start-tab=\"overview\" type=\"button\">View series details<svg aria-hidden=\"true\" viewbox=\"0 0 24 24\"><path d=\"M4 12h15m-6-6 6 6-6 6\"><\/path><\/svg><\/button><\/div><\/div><\/article><article class=\"series-product sc-card\" data-sc-card=\"4\" id=\"record-dry-scbh-amorphous\"><div aria-hidden=\"true\" class=\"ex-voltage\">6\u201310<small>kV<\/small><\/div><button aria-label=\"View Amorphous-core Transformers\" class=\"product-photo sc-card-media\" data-open-product=\"dry-scbh-amorphous\" type=\"button\"><span aria-hidden=\"true\" class=\"sc-brand\"><\/span><span class=\"sc-art sc-art-img\" style=\"--sc-ratio:1.3536121673;--sc-source-width:134.8314606742%;--sc-source-left:-14.4662921348%;--sc-source-top:-43.5361216730%\"><span class=\"sc-art-window\"><img alt=\"Amorphous-core Transformers\" class=\"sc-source\" decoding=\"async\" height=\"960\" loading=\"lazy\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f024-960-24db0b4a.webp\" width=\"960\"\/><\/span><\/span><\/button><div class=\"split-card-copy\"><div class=\"sc-card-heading\"><h3>Amorphous-core Transformers<\/h3><\/div><div class=\"sc-card-meta\"><p class=\"series-range\">30\u20134000 kVA at 10 kV \u00b7 SCBH15 \/ SCBH17 \/ SCBH19<\/p><\/div><div class=\"sc-card-description\"><p>Amorphous-core distribution transformers with separate SCBH15, SCBH17 and SCBH19 loss schedules.<\/p><\/div><div class=\"sc-card-action\"><button class=\"text-link\" data-open-product=\"dry-scbh-amorphous\" data-start-tab=\"overview\" type=\"button\">View series details<svg aria-hidden=\"true\" viewbox=\"0 0 24 24\"><path d=\"M4 12h15m-6-6 6 6-6 6\"><\/path><\/svg><\/button><\/div><\/div><\/article><\/div><\/div><\/section><section class=\"oil-section paper balanced-section\" data-source-section=\"electrical-range\" id=\"electrical-range\"><div class=\"rail\"><h2 class=\"balanced-heading\">SCB and SCBH distribution ranges<\/h2><div class=\"balanced-copy balanced-copy-2\"><div><p>The dry-type range includes cast-resin SCB transformers in the 6\u201310 kV, 20 kV and 35 kV families, together with SCBH amorphous-alloy transformers for the 6\u201310 kV family. These three-phase designs serve buildings, industrial facilities and indoor distribution installations where the transformer arrangement, cooling air and enclosure must fit the room.<\/p><\/div><div><p>Rated capacity is 30\u20134000 kVA for 10 kV SCB and SCBH transformers and 20 kV SCB transformers. The reference schedules show loss and impedance data for the ratings listed.<\/p><\/div><\/div><div aria-label=\"Electrical scope by dry-type family\" class=\"table-wrap\" role=\"region\" tabindex=\"0\"><table class=\"alignment-range\"><caption>Electrical scope by dry-type family<\/caption><thead><tr><th scope=\"col\">Family<\/th><th scope=\"col\">Capacity coverage<\/th><th scope=\"col\">Primary-voltage options<\/th><th scope=\"col\">Secondary voltage<\/th><th scope=\"col\">Detailed schedule<\/th><\/tr><\/thead><tbody><tr><th scope=\"row\">SCB 6\u201310 kV<\/th><td><span class=\"range-label\">Primary-voltage options<\/span><span class=\"range-value\">6 \/ 6.3 \/ 6.6 \/ 10 \/ 10.5 \/ 11 kV<\/span><\/td><td><span class=\"range-label\">Secondary voltage<\/span><span class=\"range-value\">0.4 kV<\/span><\/td><td class=\"range-capacity\"><span class=\"range-label\">Capacity coverage<\/span><span class=\"range-value\">30\u20134000 kVA at 10 kV<\/span><\/td><td class=\"range-detail\"><span class=\"range-label\">Detailed schedule<\/span><span class=\"range-value\">19 entries; SCB12, SCB14 and SCB18 loss columns<\/span><\/td><\/tr><tr><th scope=\"row\">SCB 20 kV<\/th><td><span class=\"range-label\">Primary-voltage options<\/span><span class=\"range-value\">20 \/ 22 \/ 24 kV<\/span><\/td><td><span class=\"range-label\">Secondary voltage<\/span><span class=\"range-value\">0.4 kV<\/span><\/td><td class=\"range-capacity\"><span class=\"range-label\">Capacity coverage<\/span><span class=\"range-value\">30\u20134000 kVA at 20 kV<\/span><\/td><td class=\"range-detail\"><span class=\"range-label\">Detailed schedule<\/span><span class=\"range-value\">17 entries; B\/F\/H load-loss conditions<\/span><\/td><\/tr><tr><th scope=\"row\">SCB 35 kV<\/th><td><span class=\"range-label\">Primary-voltage options<\/span><span class=\"range-value\">35 kV class<\/span><\/td><td><span class=\"range-label\">Secondary voltage<\/span><span class=\"range-value\">Specified by project<\/span><\/td><td class=\"range-capacity\"><span class=\"range-label\">Capacity coverage<\/span><span class=\"range-value\">Specified by project<\/span><\/td><td class=\"range-detail\"><span class=\"range-label\">Detailed schedule<\/span><span class=\"range-value\">SCB10 \u00b7 35\/0.4 kV reference examples; AN\/AF and enclosure options by design<\/span><\/td><\/tr><tr><th scope=\"row\">SCBH amorphous alloy<\/th><td><span class=\"range-label\">Primary-voltage options<\/span><span class=\"range-value\">6 \/ 6.3 \/ 6.6 \/ 10 \/ 10.5 \/ 11 kV<\/span><\/td><td><span class=\"range-label\">Secondary voltage<\/span><span class=\"range-value\">0.4 kV<\/span><\/td><td class=\"range-capacity\"><span class=\"range-label\">Capacity coverage<\/span><span class=\"range-value\">30\u20134000 kVA at 10 kV<\/span><\/td><td class=\"range-detail\"><span class=\"range-label\">Detailed schedule<\/span><span class=\"range-value\">19 entries; SCBH15, SCBH17 and SCBH19 loss columns<\/span><\/td><\/tr><\/tbody><\/table><\/div><div class=\"table-notes\"><p>Voltage options describe winding configurations within a family. The selected voltage, capacity and impedance form one specified transformer rating.<\/p><\/div><details class=\"model-code\"><summary>Reading SCB and SCBH model codes<span aria-hidden=\"true\">+<\/span><\/summary><div><p>SCB identifies a three-phase resin-insulated transformer with the low-voltage foil-winding designation. The number that follows identifies its performance series; the capacity and high-voltage class follow in the remaining model fields. The SCB family descriptions list SCB10, SCB11, SCB12, SCB13, SCB14 and SCB18.<\/p><p>The H in SCBH identifies an amorphous-alloy core. SCBH15, SCBH17 and SCBH19 have separate loss columns in the amorphous-family schedule. This H belongs to the core designation and should not be confused with thermal insulation class H.<\/p><p>The rating table determines which numerical loss values are available for each series. A full model designation should be read together with the voltage ratio, vector group, impedance, cooling method and insulation specification.<\/p><div aria-label=\"Dry-type model fields\" class=\"table-wrap\" role=\"region\" tabindex=\"0\"><table class=\"property-table\"><caption>Dry-type model fields<\/caption><thead><tr><th scope=\"col\">Field<\/th><th scope=\"col\">Meaning<\/th><\/tr><\/thead><tbody><tr><th scope=\"row\">S<\/th><td>Three-phase<\/td><\/tr><tr><th scope=\"row\">C<\/th><td>Resin insulation \/ epoxy-resin cast construction<\/td><\/tr><tr><th scope=\"row\">B<\/th><td>Low-voltage foil-winding designation<\/td><\/tr><tr><th scope=\"row\">H in SCBH<\/th><td>Amorphous-alloy core<\/td><\/tr><tr><th scope=\"row\">12 \/ 14 \/ 18 in SCB<\/th><td>Performance-series code in the 6\u201310 kV loss schedule<\/td><\/tr><tr><th scope=\"row\">15 \/ 17 \/ 19 in SCBH<\/th><td>Performance-series code in the amorphous loss schedule<\/td><\/tr><tr><th scope=\"row\">Capacity field<\/th><td>Rated capacity in kVA<\/td><\/tr><tr><th scope=\"row\">Voltage field after \/<\/th><td>High-voltage class in kV<\/td><\/tr><\/tbody><\/table><\/div><div class=\"table-notes\"><\/div><\/div><\/details><\/div><\/section><section class=\"oil-section balanced-section\" data-source-section=\"cast-resin-construction\" id=\"construction\"><div class=\"rail\"><span aria-hidden=\"true\" class=\"anchor-alias\" id=\"core\"><\/span><span aria-hidden=\"true\" class=\"anchor-alias\" id=\"insulation\"><\/span><div class=\"construction-editorial\"><h2 class=\"construction-title\">Cast-resin winding construction<\/h2><figure class=\"equipment-figure\"><img decoding=\"async\" alt=\"Cast-resin winding construction\" class=\"\" height=\"960\" loading=\"lazy\" sizes=\"auto, (max-width:767px) 90vw, 45vw\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f049-960-c771b32f.webp\" srcset=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f049-480-1cb04b7e.webp 480w, https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f049-960-c771b32f.webp 960w, https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f049-1600-aaf2fd29.webp 1600w\" width=\"960\"\/><figcaption>SCB cast-resin winding assembly<\/figcaption><\/figure><div class=\"construction-copy\"><p>The 6\u201310 kV SCB construction uses copper-wire high-voltage windings and copper-wire or copper-foil low-voltage windings. Glass-fibre reinforcement surrounds the winding assembly before vacuum casting with epoxy resin. Curing forms an integrated cylindrical winding structure.<\/p><p>The resin insulation and reinforcement provide the mechanical and dielectric structure around the winding. The described coil design uses thin resin layers on the inner and outer surfaces to support heat transfer to the surrounding air. The complete transformer remains an air-cooled assembly, so the room and any enclosure must allow heat to leave the winding area.<\/p><p>The 20\u201335 kV SCB family also uses epoxy-resin cast, oil-free construction. Its insulation arrangement is specified for the selected voltage class. Winding geometry, clearances and test requirements are reviewed for that configuration rather than being inferred from a lower-voltage model.<\/p><\/div><dl class=\"technical-list\"><div><dt>HV winding<\/dt><dd>Copper-wire winding<span>Forms the high-voltage winding circuit<\/span><\/dd><\/div><div><dt>LV winding<\/dt><dd>Copper-wire or copper-foil winding<span>Forms the low-voltage winding circuit<\/span><\/dd><\/div><div><dt>Reinforcement<\/dt><dd>Glass-fibre wrapping and filling<span>Supports the cast winding structure<\/span><\/dd><\/div><div><dt>Casting process<\/dt><dd>Epoxy-resin casting under vacuum<span>Forms the winding insulation system<\/span><\/dd><\/div><div><dt>Cured winding<\/dt><dd>Integrated cylindrical structure<span>Combines insulation and mechanical support<\/span><\/dd><\/div><\/dl><\/div><\/div><\/section><section class=\"oil-section pd-tabs pd-dark\" id=\"dry-cooling-design\" data-pd-tabs=\"\"><div class=\"rail\"><h2 class=\"pd-topic-heading\">Cooling, monitoring and enclosure design<\/h2><div class=\"pd-tablist\" role=\"tablist\" aria-label=\"Cooling, monitoring and enclosure design\" hidden><button class=\"pd-tab\" id=\"pd-1017-dry-cooling-design-tab-1\" type=\"button\" role=\"tab\" aria-controls=\"cooling-and-temperature\" aria-selected=\"true\" tabindex=\"0\">Cooling &amp; monitoring<\/button><button class=\"pd-tab\" id=\"pd-1017-dry-cooling-design-tab-2\" type=\"button\" role=\"tab\" aria-controls=\"enclosures\" aria-selected=\"false\" tabindex=\"-1\">Enclosure &amp; room<\/button><\/div><div class=\"oil-section dark balanced-section pd-panel\" id=\"cooling-and-temperature\" role=\"tabpanel\" aria-labelledby=\"pd-1017-dry-cooling-design-tab-1\" tabindex=\"0\" data-source-section=\"cooling-and-temperature\"><div class=\"rail\"><span class=\"anchor-alias\" id=\"cooling\" aria-hidden=\"true\"><\/span><h3 class=\"pd-panel-heading\">Air cooling and temperature monitoring<\/h3><div class=\"balanced-copy balanced-copy-3\"><div><h3>Natural and forced air<\/h3><p>AN cooling uses natural air circulation around the transformer. AF cooling adds forced airflow from fans. The SCB family describes AN as the standard cooling method, with AF available as a selected arrangement. The specified output must be associated with the cooling method used to achieve it.<\/p><\/div><div><h3>Thermal duty<\/h3><p>A fan arrangement can support a different thermal duty, but it does not establish a universal overload allowance. The fan configuration, operating duty, room ventilation and winding-temperature limits must be considered together. Any required output in AF operation belongs in the transformer specification.<\/p><\/div><div><h3>Monitoring and control<\/h3><p>Temperature monitoring is a configuration topic for the dry-type range. Define the indication, alarm, trip and fan-control functions needed by the installation. The controller and its interfaces should be coordinated with the enclosure location, auxiliary supply and building or station control scheme.<\/p><\/div><\/div><dl class=\"technical-list\"><div><dt>AN<\/dt><dd>Air natural<span>Maintain airflow around the core-and-coil assembly<\/span><\/dd><\/div><div><dt>AF<\/dt><dd>Air forced<span>Define the fan arrangement and the required operating duty<\/span><\/dd><\/div><div><dt>Temperature indication<\/dt><dd>Local indication as specified<span>Choose an accessible viewing and service location<\/span><\/dd><\/div><div><dt>Alarm \/ trip functions<\/dt><dd>Interfaces defined in the control schedule<span>Coordinate with the upstream protection and control system<\/span><\/dd><\/div><div><dt>Fan control<\/dt><dd>Selected with the AF arrangement<span>Coordinate control logic and auxiliary supply<\/span><\/dd><\/div><\/dl><\/div><\/div><div class=\"oil-section paper balanced-section pd-panel\" id=\"enclosures\" role=\"tabpanel\" aria-labelledby=\"pd-1017-dry-cooling-design-tab-2\" tabindex=\"0\" data-source-section=\"enclosures\"><div class=\"rail\"><span class=\"anchor-alias\" id=\"enclosure\" aria-hidden=\"true\"><\/span><div class=\"split-section\"><div><h3 class=\"pd-panel-heading\">Enclosure protection and cooling space<\/h3><p>SCB enclosure options include stainless steel and aluminium alloy. IP20 and IP23 protection options are described for the family. The enclosure material, protection degree and ventilation layout are separate choices: specifying one of them does not establish all the others.<\/p><p>An enclosure affects both access protection and heat removal. Its openings, internal clearances and position in the transformer room influence airflow. The transformer output and temperature-rise requirements therefore need to be reviewed with the selected enclosure in place.<\/p><p>For installations exposed to water, dust or corrosive contamination, describe the actual exposure and location. The IP designation by itself does not specify corrosion resistance, the room environment or suitability for every outdoor location. Use the project conditions to define the complete enclosure arrangement.<\/p><\/div><figure class=\"equipment-figure\"><img decoding=\"async\" class=\"\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f057-960-2913d84d.webp\" srcset=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f057-480-8256c36f.webp 480w, https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f057-960-2913d84d.webp 960w, https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f057-1600-e061bc35.webp 1600w\" sizes=\"auto, (max-width:767px) 90vw, 45vw\" alt=\"Enclosure protection and cooling space\" width=\"960\" height=\"960\" loading=\"lazy\"><figcaption>Aluminium-alloy enclosure option<\/figcaption><\/figure><\/div><div class=\"table-wrap\" role=\"region\" tabindex=\"0\" aria-label=\"Enclosure specification fields\"><table><caption>Enclosure specification fields<\/caption><thead><tr><th scope=\"col\">Field<\/th><th scope=\"col\">Available family information<\/th><th scope=\"col\">What the project defines<\/th><\/tr><\/thead><tbody><tr><th data-label=\"Field\" scope=\"row\">Material<\/th><td data-label=\"Available family information\">Stainless steel or aluminium alloy<\/td><td data-label=\"What the project defines\">Material selection and environmental exposure<\/td><\/tr><tr><th data-label=\"Field\" scope=\"row\">Protection degree<\/th><td data-label=\"Available family information\">IP20 or IP23 options<\/td><td data-label=\"What the project defines\">Required protection for the installation position<\/td><\/tr><tr><th data-label=\"Field\" scope=\"row\">Ventilation<\/th><td data-label=\"Available family information\">Air-cooled transformer inside the enclosure<\/td><td data-label=\"What the project defines\">Air entry\/exit paths and available room ventilation<\/td><\/tr><tr><th data-label=\"Field\" scope=\"row\">Access<\/th><td data-label=\"Available family information\">Enclosed core-and-coil assembly<\/td><td data-label=\"What the project defines\">Door arrangement and service access<\/td><\/tr><tr><th data-label=\"Field\" scope=\"row\">Connections<\/th><td data-label=\"Available family information\">Defined for the selected installation<\/td><td data-label=\"What the project defines\">Cable or busbar approach and termination space<\/td><\/tr><\/tbody><\/table><\/div><div class=\"table-notes\"><\/div><\/div><\/div><\/div><\/section><section class=\"oil-section pd-tabs pd-paper\" id=\"dry-electrical-review\" data-pd-tabs=\"\"><div class=\"rail\"><h2 class=\"pd-topic-heading\">Electrical performance and construction choices<\/h2><div class=\"pd-tablist\" role=\"tablist\" aria-label=\"Electrical performance and construction choices\" hidden><button class=\"pd-tab\" id=\"pd-1017-dry-electrical-review-tab-1\" type=\"button\" role=\"tab\" aria-controls=\"performance\" aria-selected=\"true\" tabindex=\"0\">Thermal class &amp; losses<\/button><button class=\"pd-tab\" id=\"pd-1017-dry-electrical-review-tab-2\" type=\"button\" role=\"tab\" aria-controls=\"impedance-and-connections\" aria-selected=\"false\" tabindex=\"-1\">Impedance &amp; connections<\/button><button class=\"pd-tab\" id=\"pd-1017-dry-electrical-review-tab-3\" type=\"button\" role=\"tab\" aria-controls=\"amorphous-core\" aria-selected=\"false\" tabindex=\"-1\">Amorphous core<\/button><button class=\"pd-tab\" id=\"pd-1017-dry-electrical-review-tab-4\" type=\"button\" role=\"tab\" aria-controls=\"35kv-electrical-duty\" aria-selected=\"false\" tabindex=\"-1\">35 kV duty<\/button><\/div><div class=\"oil-section  balanced-section pd-panel\" id=\"performance\" role=\"tabpanel\" aria-labelledby=\"pd-1017-dry-electrical-review-tab-1\" tabindex=\"0\" data-source-section=\"thermal-class-and-losses\"><div class=\"rail\"><span class=\"anchor-alias\" id=\"loss\" aria-hidden=\"true\"><\/span><h3 class=\"pd-panel-heading\">Thermal class and load-loss reference temperature<\/h3><div class=\"balanced-copy balanced-copy-3\"><div><h3>Loss reference temperature<\/h3><p>The 20 kV SCB electrical schedule separates load loss into three thermal-class columns. The class and the reference temperature printed beside it must remain with the loss figure. A numerical load-loss value without this condition is incomplete for specification or comparison.<\/p><\/div><div><h3>Insulation class and temperature rise<\/h3><p>Thermal insulation class, winding temperature rise and the temperature used to state load loss are different quantities. The thermal class describes the insulation system; the loss reference temperature is the condition used for the electrical-loss value. Neither should be read as the permitted ambient temperature.<\/p><\/div><div><h3>Keep each schedule intact<\/h3><p>The 6\u201310 kV SCB and SCBH loss tables use watts and do not state the same B\/F\/H reference-temperature columns. Their values remain in their own schedules. The 20 kV values are expressed in kilowatts, including the separate impedance variants at 2000 and 2500 kVA.<\/p><\/div><\/div><div class=\"table-wrap\" role=\"region\" tabindex=\"0\" aria-label=\"20 kV SCB load-loss conditions\"><table><caption>20 kV SCB load-loss conditions<\/caption><thead><tr><th scope=\"col\">Column<\/th><th scope=\"col\">Thermal-class designation<\/th><th scope=\"col\">Load-loss reference temperature<\/th><th scope=\"col\">Loss unit<\/th><\/tr><\/thead><tbody><tr><th data-label=\"Column\" scope=\"row\">B<\/th><td data-label=\"Thermal-class designation\">130 \u00b0C (B)<\/td><td data-label=\"Load-loss reference temperature\">100 \u00b0C<\/td><td data-label=\"Loss unit\">kW<\/td><\/tr><tr><th data-label=\"Column\" scope=\"row\">F<\/th><td data-label=\"Thermal-class designation\">155 \u00b0C (F)<\/td><td data-label=\"Load-loss reference temperature\">120 \u00b0C<\/td><td data-label=\"Loss unit\">kW<\/td><\/tr><tr><th data-label=\"Column\" scope=\"row\">H<\/th><td data-label=\"Thermal-class designation\">180 \u00b0C (H)<\/td><td data-label=\"Load-loss reference temperature\">145 \u00b0C<\/td><td data-label=\"Loss unit\">kW<\/td><\/tr><\/tbody><\/table><\/div><div class=\"table-notes\"><p>These are the conditions printed with the electrical schedule. They are not ambient-temperature ratings or interchangeable loss values.<\/p><\/div><div class=\"action-row\"><button type=\"button\" class=\"text-link\" data-open-product=\"dry-scb-6-10kv\" data-start-tab=\"technical\">SCB Series 6\u201310 kV Cast-resin Transformer<svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M4 12h15m-6-6 6 6-6 6\"\/><\/svg><\/button><button type=\"button\" class=\"text-link\" data-open-product=\"dry-scb-20kv\" data-start-tab=\"technical\">SCB Series 20 kV Cast-resin Transformer<svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M4 12h15m-6-6 6 6-6 6\"\/><\/svg><\/button><\/div><\/div><\/div><div class=\"oil-section paper balanced-section pd-panel\" id=\"impedance-and-connections\" role=\"tabpanel\" aria-labelledby=\"pd-1017-dry-electrical-review-tab-2\" tabindex=\"0\" data-source-section=\"impedance-and-connections\"><div class=\"rail\"><h3 class=\"pd-panel-heading\">Impedance variants and network interfaces<\/h3><div class=\"balanced-copy balanced-copy-3\"><div><h3>6\u201310 kV impedance variants<\/h3><p>The 6\u201310 kV SCB and SCBH schedules each contain two 630 kVA entries: one at 4% impedance and one at 6%. These are distinct electrical ratings. Their loss figures must stay with the corresponding impedance entry when preparing the specification.<\/p><\/div><div><h3>20 kV network interfaces<\/h3><p>The 20 kV SCB reference schedule lists 6% impedance for ratings from 50 to 2500 kVA, with separate 8% entries at 2000 and 2500 kVA. Dyn11 and Yyn0 are listed vector-group options. Select the impedance and vector group with the network fault-level, neutral and protection design.<\/p><\/div><div><h3>Parallel operation<\/h3><p>For an installation with parallel transformers, include the existing unit data in the review. Ratio, vector group, tap position and impedance need to work together. Terminal approach, phase identification and the neutral connection are then fixed on the electrical and arrangement drawings.<\/p><\/div><\/div><div class=\"table-wrap\" role=\"region\" tabindex=\"0\" aria-label=\"Separate impedance entries in the electrical schedules\"><table><caption>Separate impedance entries in the electrical schedules<\/caption><thead><tr><th scope=\"col\">Family<\/th><th scope=\"col\">Capacity<\/th><th scope=\"col\">Impedance variants<\/th><\/tr><\/thead><tbody><tr><th data-label=\"Family\" scope=\"row\">SCB 6\u201310 kV<\/th><td data-label=\"Capacity\">630 kVA<\/td><td data-label=\"Impedance variants\">4% and 6%<\/td><\/tr><tr><th data-label=\"Family\" scope=\"row\">SCBH 6\u201310 kV<\/th><td data-label=\"Capacity\">630 kVA<\/td><td data-label=\"Impedance variants\">4% and 6%<\/td><\/tr><tr><th data-label=\"Family\" scope=\"row\">SCB 20 kV<\/th><td data-label=\"Capacity\">2000 kVA<\/td><td data-label=\"Impedance variants\">6% and 8%<\/td><\/tr><tr><th data-label=\"Family\" scope=\"row\">SCB 20 kV<\/th><td data-label=\"Capacity\">2500 kVA<\/td><td data-label=\"Impedance variants\">6% and 8%<\/td><\/tr><\/tbody><\/table><\/div><div class=\"table-notes\"><p>Each variant retains its own load-loss entry. Matching capacity does not make the variants interchangeable.<\/p><\/div><\/div><\/div><div class=\"oil-section  balanced-section pd-panel\" id=\"amorphous-core\" role=\"tabpanel\" aria-labelledby=\"pd-1017-dry-electrical-review-tab-3\" tabindex=\"0\" data-source-section=\"amorphous-core\"><div class=\"rail\"><div class=\"split-section\"><figure class=\"equipment-figure\"><img decoding=\"async\" class=\"\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f024-960-24db0b4a.webp\" srcset=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f024-480-de18a15a.webp 480w, https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f024-960-24db0b4a.webp 960w, https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f024-1600-9c6ab2bf.webp 1600w\" sizes=\"auto, (max-width:767px) 90vw, 45vw\" alt=\"SCBH amorphous-alloy core construction\" width=\"960\" height=\"960\" loading=\"lazy\"><figcaption>SCBH amorphous-alloy transformer construction<\/figcaption><\/figure><div><h3 class=\"pd-panel-heading\">SCBH amorphous-alloy core construction<\/h3><p>The SCBH family uses an amorphous-alloy core with a cast-resin dry-type winding arrangement. SCBH15, SCBH17 and SCBH19 are identified separately, and the electrical schedule provides both no-load and load losses for each series.<\/p><p>No-load loss is especially relevant when a transformer remains energized for long periods at light load. Load loss becomes more significant as operating current increases. Use the expected energization hours and load profile with the actual SCBH rating row to evaluate operating energy; a single saving percentage cannot describe every installation.<\/p><p>Primary-voltage options are 6, 6.3, 6.6, 10, 10.5 and 11 kV, with a 0.4 kV secondary. The SCBH technical data lists losses for reference ratings from 30 to 2500 kVA, including the separate 630 kVA impedance variants.<\/p><div class=\"action-row\"><button type=\"button\" class=\"text-link\" data-open-product=\"dry-scbh-amorphous\" data-start-tab=\"technical\">SCBH Series Amorphous-alloy Dry-type Transformer<svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M4 12h15m-6-6 6 6-6 6\"\/><\/svg><\/button><\/div><\/div><\/div><div class=\"table-wrap\" role=\"region\" tabindex=\"0\" aria-label=\"SCBH family information\"><table class=\"property-table\"><caption>SCBH family information<\/caption><thead><tr><th scope=\"col\">Characteristic<\/th><th scope=\"col\">Specification scope<\/th><\/tr><\/thead><tbody><tr><th data-label=\"Characteristic\" scope=\"row\">Core material<\/th><td data-label=\"Specification scope\">Amorphous alloy<\/td><\/tr><tr><th data-label=\"Characteristic\" scope=\"row\">Construction family<\/th><td data-label=\"Specification scope\">Cast-resin dry-type<\/td><\/tr><tr><th data-label=\"Characteristic\" scope=\"row\">Performance series<\/th><td data-label=\"Specification scope\">SCBH15 \/ SCBH17 \/ SCBH19<\/td><\/tr><tr><th data-label=\"Characteristic\" scope=\"row\">Rated capacity at 10 kV<\/th><td data-label=\"Specification scope\">30\u20134000 kVA<\/td><\/tr><tr><th data-label=\"Characteristic\" scope=\"row\">Secondary voltage<\/th><td data-label=\"Specification scope\">0.4 kV<\/td><\/tr><tr><th data-label=\"Characteristic\" scope=\"row\">Loss presentation<\/th><td data-label=\"Specification scope\">Separate no-load and load-loss columns for each performance series, in W<\/td><\/tr><tr><th data-label=\"Characteristic\" scope=\"row\">Impedance variants<\/th><td data-label=\"Specification scope\">4% and 6% groups; two separate 630 kVA entries<\/td><\/tr><\/tbody><\/table><\/div><div class=\"table-notes\"><\/div><\/div><\/div><div class=\"oil-section paper balanced-section pd-panel\" id=\"35kv-electrical-duty\" role=\"tabpanel\" aria-labelledby=\"pd-1017-dry-electrical-review-tab-4\" tabindex=\"0\" data-source-section=\"35kv-electrical-duty\"><div class=\"rail\"><div class=\"split-section\"><div><h3 class=\"pd-panel-heading\">35 kV distribution duty<\/h3><p>The 35 kV SCB branch brings the incoming medium-voltage supply into a dry-type indoor installation. Specify the secondary voltage and required output together; the voltage class alone does not define the winding ratio or thermal duty.<\/p><p>The SCB10 \u00b7 35\/0.4 kV reference configuration uses 6% impedance, Dyn11 or Yyn0 connection options and off-circuit HV tapping. Its technical details contain seven rating examples, with load loss stated for F-class insulation at 120 \u00b0C.<\/p><p>For the project specification, keep the performance-series code, frequency, cooling duty and loss reference condition together. Ratings from a different SCB performance series or secondary-voltage arrangement should not be substituted for the selected configuration.<\/p><div class=\"action-row\"><button type=\"button\" class=\"text-link\" data-open-product=\"dry-scb-35kv\" data-start-tab=\"technical\">SCB Series 35 kV Cast-resin Transformer<svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M4 12h15m-6-6 6 6-6 6\"\/><\/svg><\/button><\/div><\/div><figure class=\"equipment-figure\"><img decoding=\"async\" class=\"\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f046-960-89cb1037.webp\" srcset=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f046-480-48122f14.webp 480w, https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f046-960-89cb1037.webp 960w, https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f046-1600-9ff4c059.webp 1600w\" sizes=\"auto, (max-width:767px) 90vw, 45vw\" alt=\"35 kV distribution duty\" width=\"960\" height=\"960\" loading=\"lazy\"><figcaption>35 kV SCB family construction<\/figcaption><\/figure><\/div><\/div><\/div><\/div><\/section><section class=\"oil-section  balanced-section\" id=\"applications\" data-source-section=\"applications\"><div class=\"rail\"><div class=\"section-heading\"><h2>Applications<\/h2><div><p>SCB dry-type transformers serve urban distribution, high-rise buildings, commercial centres, hospitals, hotels, tunnels, rail facilities, ports and airports. The preliminary dry-type guide also identifies data centres and indoor industrial rooms. These application names describe installation contexts; the actual room, load and protection requirements determine the transformer configuration.<\/p><\/div><\/div><div class=\"app-explorer\" data-application-switcher><div class=\"app-tabs\" data-application-tabs role=\"tablist\" aria-label=\"Application environments\" aria-orientation=\"vertical\"><button type=\"button\" class=\"app-tab\" id=\"app-tab-commercial\" data-application-tab=\"commercial\" role=\"tab\" aria-controls=\"app-panel-commercial\" aria-selected=\"true\" tabindex=\"0\"><img decoding=\"async\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-02-dry-type-application-commercial-640-b00a2016.webp\" alt=\"\" width=\"96\" height=\"64\" loading=\"lazy\"><span>Commercial buildings<\/span><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M4 12h15m-6-6 6 6-6 6\"\/><\/svg><\/button><button type=\"button\" class=\"app-tab\" id=\"app-tab-manufacturing\" data-application-tab=\"manufacturing\" role=\"tab\" aria-controls=\"app-panel-manufacturing\" aria-selected=\"false\" tabindex=\"-1\"><img decoding=\"async\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-02-dry-type-application-manufacturing-640-8db1da48.webp\" alt=\"\" width=\"96\" height=\"64\" loading=\"lazy\"><span>Manufacturing facilities<\/span><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M4 12h15m-6-6 6 6-6 6\"\/><\/svg><\/button><button type=\"button\" class=\"app-tab\" id=\"app-tab-infrastructure\" data-application-tab=\"infrastructure\" role=\"tab\" aria-controls=\"app-panel-infrastructure\" aria-selected=\"false\" tabindex=\"-1\"><img decoding=\"async\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-02-dry-type-application-infrastructure-640-2d50f13e.webp\" alt=\"\" width=\"96\" height=\"64\" loading=\"lazy\"><span>Infrastructure power rooms<\/span><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M4 12h15m-6-6 6 6-6 6\"\/><\/svg><\/button><\/div><div class=\"app-panels\"><article class=\"app-panel\" id=\"app-panel-commercial\" data-application-panel=\"commercial\" role=\"tabpanel\" aria-labelledby=\"app-tab-commercial\" tabindex=\"0\"><figure class=\"app-panel-image\"><img decoding=\"async\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-02-dry-type-application-commercial-1280-6c861e02.webp\" srcset=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-02-dry-type-application-commercial-640-b00a2016.webp 640w, https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-02-dry-type-application-commercial-1280-6c861e02.webp 1280w\" sizes=\"auto, (max-width:767px) calc(100vw - 32px), (max-width:1200px) 62vw, 850px\" alt=\"Illustrative commercial-building electrical room with an enclosed cast-resin dry-type transformer\" width=\"1536\" height=\"1024\" loading=\"lazy\"><\/figure><div class=\"app-panel-copy\"><h3>Commercial buildings<\/h3><p>Indoor building distribution brings the transformer, switchgear and ventilation into one coordinated electrical-room layout. Access and cooling space are part of the installation design.<\/p><\/div><\/article><article class=\"app-panel\" id=\"app-panel-manufacturing\" data-application-panel=\"manufacturing\" role=\"tabpanel\" aria-labelledby=\"app-tab-manufacturing\" tabindex=\"0\"><figure class=\"app-panel-image\"><img decoding=\"async\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-02-dry-type-application-manufacturing-1280-57f71650.webp\" srcset=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-02-dry-type-application-manufacturing-640-8db1da48.webp 640w, https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-02-dry-type-application-manufacturing-1280-57f71650.webp 1280w\" sizes=\"auto, (max-width:767px) calc(100vw - 32px), (max-width:1200px) 62vw, 850px\" alt=\"Illustrative manufacturing-plant distribution room separated from the production hall\" width=\"1536\" height=\"1024\" loading=\"lazy\"><\/figure><div class=\"app-panel-copy\"><h3>Manufacturing facilities<\/h3><p>Dedicated electrical rooms supply production equipment through the plant distribution network. Loading, ventilation and the surrounding industrial environment guide the transformer configuration.<\/p><\/div><\/article><article class=\"app-panel\" id=\"app-panel-infrastructure\" data-application-panel=\"infrastructure\" role=\"tabpanel\" aria-labelledby=\"app-tab-infrastructure\" tabindex=\"0\"><figure class=\"app-panel-image\"><img decoding=\"async\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-02-dry-type-application-infrastructure-1280-74ac9971.webp\" srcset=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-02-dry-type-application-infrastructure-640-2d50f13e.webp 640w, https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-02-dry-type-application-infrastructure-1280-74ac9971.webp 1280w\" sizes=\"auto, (max-width:767px) calc(100vw - 32px), (max-width:1200px) 62vw, 850px\" alt=\"Illustrative infrastructure power room with enclosed dry-type transformers and organized cable routes\" width=\"1536\" height=\"1024\" loading=\"lazy\"><\/figure><div class=\"app-panel-copy\"><h3>Infrastructure power rooms<\/h3><p>Infrastructure power rooms coordinate transformers with switchgear, cable routes and maintenance access. The electrical schedule defines the required duty for each transformer.<\/p><\/div><\/article><\/div><\/div><p class=\"app-image-note\">Illustrative application environments.<\/p><\/div><\/section><section class=\"oil-section pd-faq-section\" id=\"site-conditions\"><div class=\"rail\"><div class=\"pd-faq-heading\"><h2>Dry-type transformer buying questions<\/h2><\/div><div class=\"pd-faq-list\"><details class=\"pd-faq\" name=\"pd-faq-1017\"><summary>Which site conditions should be defined before selection?<\/summary><div class=\"pd-faq-answer\"><div class=\"balanced-copy balanced-copy-2\"><div><p>The indoor layout must provide adequate cooling air, electrical clearances and access for inspection. Ambient temperature, altitude, dust and condensation conditions belong in the design review. An enclosed unit still requires a heat-removal path from the transformer, through the enclosure and out of the room.<\/p><\/div><div><p>For noise-sensitive rooms, specify the measurement requirement and the installation constraints. For loads supplied through power electronics, include the load characteristics in the enquiry. These requirements help define the design review without assuming a universal noise limit, harmonic rating or overload capability.<\/p><\/div><\/div><\/div><\/details><details class=\"pd-faq\" name=\"pd-faq-1017\"><summary>What does an indoor distribution room need?<\/summary><div class=\"pd-faq-answer\"><p class=\"pd-faq-original-label\">Indoor distribution room<\/p><span class=\"site-condition-input\">Room layout, ventilation and equipment access<\/span><div class=\"site-condition-body\"><p class=\"site-design-review\"><span>Design review<\/span>Cooling arrangement and enclosure position<\/p><\/div><\/div><\/details><details class=\"pd-faq\" name=\"pd-faq-1017\"><summary>What should a building project specify?<\/summary><div class=\"pd-faq-answer\"><p class=\"pd-faq-original-label\">Building or public facility<\/p><span class=\"site-condition-input\">Noise requirement and local fire-safety criteria<\/span><div class=\"site-condition-body\"><p class=\"site-design-review\"><span>Design review<\/span>Acoustic and insulation-system review<\/p><\/div><\/div><\/details><details class=\"pd-faq\" name=\"pd-faq-1017\"><summary>What load information is needed?<\/summary><div class=\"pd-faq-answer\"><p class=\"pd-faq-original-label\">Industrial load<\/p><span class=\"site-condition-input\">Load profile and major connected equipment<\/span><div class=\"site-condition-body\"><p class=\"site-design-review\"><span>Design review<\/span>Capacity and thermal-duty review<\/p><\/div><\/div><\/details><details class=\"pd-faq\" name=\"pd-faq-1017\"><summary>Which environmental conditions affect selection?<\/summary><div class=\"pd-faq-answer\"><p class=\"pd-faq-original-label\">Environmental exposure<\/p><span class=\"site-condition-input\">Altitude, temperature, dust and condensation<\/span><div class=\"site-condition-body\"><p class=\"site-design-review\"><span>Design review<\/span>Insulation, cooling and enclosure review<\/p><\/div><\/div><\/details><details class=\"pd-faq\" name=\"pd-faq-1017\"><summary>What is needed for a replacement transformer?<\/summary><div class=\"pd-faq-answer\"><p class=\"pd-faq-original-label\">Replacement installation<\/p><span class=\"site-condition-input\">Existing nameplate, connections and dimensions<\/span><div class=\"site-condition-body\"><p class=\"site-design-review\"><span>Design review<\/span>Electrical and mechanical compatibility<\/p><\/div><\/div><\/details><details class=\"pd-faq\" name=\"pd-faq-1017\"><summary>Which technical documents and configuration records are available?<\/summary><div class=\"pd-faq-answer\"><div id=\"documents\"><span class=\"anchor-alias\" id=\"project-inquiry\" aria-hidden=\"true\"><\/span><p>The product details contain 55 dry-type rating entries: 19 for SCB 6\u201310 kV, 17 for SCB 20 kV and 19 for SCBH. The schedules retain the separate model loss columns, temperature conditions and repeated capacities with different impedance values. A separate seven-row SCB10\/35 reference schedule provides preliminary 35 kV loss and impedance values.<\/p><div class=\"document-list\"><a class=\"document-row\" href=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-02-dry-type-dry-type-transformer-guide-2b8a26ae.pdf\" target=\"_blank\" rel=\"noopener\"><span><strong>Dry-Type Transformers \u2014 Selection Guide<\/strong><small>Subian \u00b7 Preliminary edition \u00b7 2 pages \u00b7 Applications and configuration topics<\/small><\/span><span class=\"document-action\">Open PDF <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M12 3v12m-5-5 5 5 5-5M4 16v5h16v-5\"\/><\/svg><\/span><\/a><div class=\"document-row\"><span><strong>SCB Series 6\u201310 kV Cast-resin Transformer<\/strong><small>Three-phase cast-resin distribution transformers with SCB12, SCB14 and SCB18 rating schedules.<\/small><\/span><button type=\"button\" class=\"text-link\" data-open-product=\"dry-scb-6-10kv\" data-start-tab=\"technical\">View technical data<svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M4 12h15m-6-6 6 6-6 6\"\/><\/svg><\/button><\/div><div class=\"document-row\"><span><strong>SCB Series 20 kV Cast-resin Transformer<\/strong><small>Reference ratings from 50 to 2500 kVA with 20, 22 and 24 kV primary-voltage options and load-loss data by thermal class.<\/small><\/span><button type=\"button\" class=\"text-link\" data-open-product=\"dry-scb-20kv\" data-start-tab=\"technical\">View technical data<svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M4 12h15m-6-6 6 6-6 6\"\/><\/svg><\/button><\/div><div class=\"document-row\"><span><strong>SCB Series 35 kV Cast-resin Transformer<\/strong><small>Three-phase resin-insulated construction for 35 kV indoor distribution and infrastructure installations.<\/small><\/span><button type=\"button\" class=\"text-link\" data-open-product=\"dry-scb-35kv\" data-start-tab=\"technical\">View technical data<svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M4 12h15m-6-6 6 6-6 6\"\/><\/svg><\/button><\/div><div class=\"document-row\"><span><strong>SCBH Series Amorphous-alloy Dry-type Transformer<\/strong><small>Amorphous-core distribution transformers with separate SCBH15, SCBH17 and SCBH19 loss schedules.<\/small><\/span><button type=\"button\" class=\"text-link\" data-open-product=\"dry-scbh-amorphous\" data-start-tab=\"technical\">View technical data<svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M4 12h15m-6-6 6 6-6 6\"\/><\/svg><\/button><\/div><a class=\"document-row\" href=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/08\/subian-electric-cn26i11c-certificate.webp\" target=\"_blank\" rel=\"noopener\"><span><strong>SCB18-2000\/10-NX1 \u2014 Published Verification Copy by Subian<\/strong><small>One-page Test Verification of Conformity, CN26I11C 001, dated 30 March 2026; names JIANGSU SUBIAN POWER EQUIPMENT CO., LTD. and the SCB18-2000\/10-NX1 specimen.<\/small><\/span><span class=\"document-action\">View document <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M12 3v12m-5-5 5 5 5-5M4 16v5h16v-5\"\/><\/svg><\/span><\/a><\/div><details class=\"model-code\"><summary>Document scope and configuration notes<span aria-hidden=\"true\">+<\/span><\/summary><div><p>A publicly available Test Verification of Conformity identifies SCB18-2000\/10-NX1 as a 2000 kVA, 50 Hz, three-phase dry-type transformer with 10 (\u00b12 \u00d7 2.5%) \/ 0.4 kV rated voltage. The published copy names JIANGSU SUBIAN POWER EQUIPMENT CO., LTD. as applicant and manufacturer. Its configuration details and download are included under the SCB 6\u201310 kV product.<\/p><p>That document addresses the named specimen and Tier 2 maximum no-load and load losses. It does not state the numerical loss values, assess ongoing production or authorize use of a T\u00dcV Rheinland conformity mark. The two-page Subian Dry-Type Transformers guide is a separate preliminary overview of applications and configuration topics.<\/p><div class=\"table-wrap\" role=\"region\" tabindex=\"0\" aria-label=\"Available technical information\"><table class=\"property-table\"><caption>Available technical information<\/caption><thead><tr><th scope=\"col\">Document or schedule<\/th><th scope=\"col\">Scope<\/th><\/tr><\/thead><tbody><tr><th scope=\"row\">SCB 6\u201310 kV electrical schedule<\/th><td>SCB12 \/ SCB14 \/ SCB18; 19 ratings; losses in W<\/td><\/tr><tr><th scope=\"row\">SCB 20 kV electrical schedule<\/th><td>17 ratings; B\/F\/H load-loss conditions in kW<\/td><\/tr><tr><th scope=\"row\">SCBH electrical schedule<\/th><td>SCBH15 \/ SCBH17 \/ SCBH19; 19 ratings; losses in W<\/td><\/tr><tr><th scope=\"row\">SCB10 \u00b7 35\/0.4 kV reference schedule<\/th><td>Seven rating examples; F-class load loss at120 \u00b0C; published manufacturer reference<\/td><\/tr><tr><th scope=\"row\">SCB18-2000\/10-NX1 verification copy<\/th><td>Named 2000 kVA configuration; document dated 30 March 2026<\/td><\/tr><tr><th scope=\"row\">Subian Dry-Type Transformers \u2014 Selection Guide \/ Preliminary Edition<\/th><td>Two-page family introduction and configuration topics<\/td><\/tr><\/tbody><\/table><\/div><div class=\"table-notes\"><\/div><\/div><\/details><\/div><\/div><\/details><\/div><\/div><\/section>\n\n<dialog class=\"oil-modal\" id=\"modal-dry-scb-6-10kv\" data-product-id=\"dry-scb-6-10kv\" aria-labelledby=\"modal-dry-scb-6-10kv-title\"><header><h2 id=\"modal-dry-scb-6-10kv-title\" tabindex=\"-1\">SCB Series 6\u201310 kV Cast-resin Transformer<\/h2><button class=\"icon-button\" type=\"button\" data-close-modal aria-label=\"Close product details\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"m6 6 12 12M18 6 6 18\"\/><\/svg><\/button><\/header><div class=\"modal-tabs\" role=\"tablist\" aria-label=\"Product details\"><button type=\"button\" role=\"tab\" id=\"modal-dry-scb-6-10kv-tab-overview\" data-modal-tab=\"overview\" aria-controls=\"modal-dry-scb-6-10kv-overview\" aria-selected=\"true\" tabindex=\"0\">Overview<\/button><button type=\"button\" role=\"tab\" id=\"modal-dry-scb-6-10kv-tab-technical\" data-modal-tab=\"technical\" aria-controls=\"modal-dry-scb-6-10kv-technical\" aria-selected=\"false\" tabindex=\"-1\">Technical data<\/button><\/div><div data-modal-scroll><div id=\"modal-dry-scb-6-10kv-overview\" data-modal-panel=\"overview\" role=\"tabpanel\" aria-labelledby=\"modal-dry-scb-6-10kv-tab-overview\" ><div class=\"modal-overview\"><div class=\"modal-gallery\"><div class=\"gallery-stage\"><img loading=\"lazy\" decoding=\"async\" data-gallery-main src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f049-960-c771b32f.webp\" alt=\"SCB Series 6\u201310 kV Cast-resin Transformer \u2014 series photograph\" width=\"960\" height=\"960\"><\/div><div class=\"gallery-thumbs\"><button type=\"button\" data-gallery-src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f049-960-c771b32f.webp\" data-gallery-alt=\"SCB Series 6\u201310 kV Cast-resin Transformer \u2014 view 1\" data-gallery-caption=\"Series construction photograph.\" aria-label=\"View product photo 1\" aria-pressed=\"true\"><img decoding=\"async\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f049-480-1cb04b7e.webp\" alt=\"\" width=\"90\" height=\"80\" loading=\"lazy\"><\/button><button type=\"button\" data-gallery-src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f050-960-f856e607.webp\" data-gallery-alt=\"SCB Series 6\u201310 kV Cast-resin Transformer \u2014 view 2\" data-gallery-caption=\"Series construction photograph.\" aria-label=\"View product photo 2\" aria-pressed=\"false\"><img decoding=\"async\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f050-480-8f622f81.webp\" alt=\"\" width=\"90\" height=\"80\" loading=\"lazy\"><\/button><button type=\"button\" data-gallery-src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f051-960-156c02ef.webp\" data-gallery-alt=\"SCB Series 6\u201310 kV Cast-resin Transformer \u2014 view 3\" data-gallery-caption=\"Series construction photograph.\" aria-label=\"View product photo 3\" aria-pressed=\"false\"><img decoding=\"async\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f051-480-483e1c63.webp\" alt=\"\" width=\"90\" height=\"80\" loading=\"lazy\"><\/button><button type=\"button\" data-gallery-src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f052-960-c0b44692.webp\" data-gallery-alt=\"SCB Series 6\u201310 kV Cast-resin Transformer \u2014 view 4\" data-gallery-caption=\"Series construction photograph.\" aria-label=\"View product photo 4\" aria-pressed=\"false\"><img decoding=\"async\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f052-480-2a0001fa.webp\" alt=\"\" width=\"90\" height=\"80\" loading=\"lazy\"><\/button><button type=\"button\" data-gallery-src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f053-960-d2aa2df3.webp\" data-gallery-alt=\"SCB Series 6\u201310 kV Cast-resin Transformer \u2014 view 5\" data-gallery-caption=\"Series construction photograph.\" aria-label=\"View product photo 5\" aria-pressed=\"false\"><img decoding=\"async\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f053-480-2e80d163.webp\" alt=\"\" width=\"90\" height=\"80\" loading=\"lazy\"><\/button><\/div><p data-gallery-caption-text class=\"photo-caption\">Series construction photograph.<\/p><\/div><div><p>The SCB 6\u201310 kV family uses resin-insulated windings for indoor distribution. Its described construction combines copper-wire HV windings with copper-wire or copper-foil LV windings, glass-fibre reinforcement and vacuum epoxy-resin casting. The cured cylindrical winding assembly provides both insulation and mechanical support.<\/p><p>Primary-voltage options are 6, 6.3, 6.6, 10, 10.5 and 11 kV, with a 0.4 kV secondary. The reference schedule lists 19 entries from 30 to 2500 kVA, with separate SCB12, SCB14 and SCB18 no-load and load-loss columns in watts.<\/p><p>Both 4% and 6% impedance versions are listed at 630 kVA. The lower-capacity group uses 4%, and the larger-capacity group uses 6%; choose the complete entry required by the network design. AN cooling is the described standard arrangement, while AF cooling and IP20\/IP23 enclosures are selected with the required duty.<\/p><p>The published SCB18-2000\/10-NX1 verification copy provides a separate, named configuration reference. It lists 2000 kVA, 10 (\u00b12 \u00d7 2.5%) \/ 0.4 kV, 50 Hz and rated currents of 115.5 \/ 2886.8 A. The copy names JIANGSU SUBIAN POWER EQUIPMENT CO., LTD.; it applies to that specimen and does not extend a certification claim to the whole SCB family.<\/p><dl class=\"modal-facts\"><div><dt>Construction<\/dt><dd>Three-phase epoxy-resin cast<\/dd><\/div><div><dt>Rated capacity at 10 kV<\/dt><dd>30\u20134000 kVA<\/dd><\/div><div><dt>Primary-voltage options<\/dt><dd>6 \/ 6.3 \/ 6.6 \/ 10 \/ 10.5 \/ 11 kV<\/dd><\/div><div><dt>Secondary voltage<\/dt><dd>0.4 kV<\/dd><\/div><div><dt>Loss schedules<\/dt><dd>SCB12 \/ SCB14 \/ SCB18<\/dd><\/div><div><dt>Cooling<\/dt><dd>AN; AF configuration available<\/dd><\/div><div><dt>Enclosure options<\/dt><dd>IP20 \/ IP23<\/dd><\/div><div><dt>Rating-table units<\/dt><dd>Losses: W; no-load current and impedance: %<\/dd><\/div><\/dl><\/div><\/div><\/div><div id=\"modal-dry-scb-6-10kv-technical\" data-modal-panel=\"technical\" role=\"tabpanel\" aria-labelledby=\"modal-dry-scb-6-10kv-tab-technical\" hidden><div class=\"table-wrap\" role=\"region\" tabindex=\"0\" aria-label=\"SCB18-2000\/10-NX1 \u2014 configuration stated in the published verification copy\"><table class=\"property-table\"><caption>SCB18-2000\/10-NX1 \u2014 configuration stated in the published verification copy<\/caption><thead><tr><th scope=\"col\">Field<\/th><th scope=\"col\">Stated configuration<\/th><\/tr><\/thead><tbody><tr><th scope=\"row\">Product designation<\/th><td>SCB18-2000\/10-NX1<\/td><\/tr><tr><th scope=\"row\">Object<\/th><td>Three-phase dry-type transformer<\/td><\/tr><tr><th scope=\"row\">Rated capacity<\/th><td>2000 kVA<\/td><\/tr><tr><th scope=\"row\">Rated voltage, HV \/ LV<\/th><td>10 (\u00b12 \u00d7 2.5%) \/ 0.4 kV<\/td><\/tr><tr><th scope=\"row\">Rated frequency<\/th><td>50 Hz<\/td><\/tr><tr><th scope=\"row\">Rated current, HV \/ LV<\/th><td>115.5 \/ 2886.8 A<\/td><\/tr><tr><th scope=\"row\">Report number<\/th><td>CN26I11C 001<\/td><\/tr><tr><th scope=\"row\">Verification number<\/th><td>50719213<\/td><\/tr><tr><th scope=\"row\">Document date<\/th><td>30 March 2026<\/td><\/tr><tr><th scope=\"row\">Named applicant and manufacturer<\/th><td>JIANGSU SUBIAN POWER EQUIPMENT CO., LTD.<\/td><\/tr><\/tbody><\/table><\/div><div class=\"table-notes\"><p>The published copy refers to Tier 2 maximum no-load and load losses for the named specimen; numerical loss values are not given in this document.<\/p><p>The copy does not assess ongoing production or authorize use of a T\u00dcV Rheinland conformity mark.<\/p><\/div><div class=\"table-wrap\" role=\"region\" tabindex=\"0\" aria-label=\"Common electrical fields\"><table class=\"property-table\"><caption>Common electrical fields<\/caption><thead><tr><th scope=\"col\">Property<\/th><th scope=\"col\">Value<\/th><\/tr><\/thead><tbody><tr><th scope=\"row\">Primary voltage options (kV)<\/th><td>6 \/ 6.3 \/ 6.6 \/ 10 \/ 10.5 \/ 11<\/td><\/tr><tr><th scope=\"row\">Secondary voltage (kV)<\/th><td>0.4<\/td><\/tr><\/tbody><\/table><\/div><div class=\"table-notes\"><\/div><div class=\"rating-toolbar\"><label>Rated capacity<select data-capacity-filter><option value=\"\">All capacities<\/option><option value=\"30\">30 kVA<\/option><option value=\"50\">50 kVA<\/option><option value=\"80\">80 kVA<\/option><option value=\"100\">100 kVA<\/option><option value=\"125\">125 kVA<\/option><option value=\"160\">160 kVA<\/option><option value=\"200\">200 kVA<\/option><option value=\"250\">250 kVA<\/option><option value=\"315\">315 kVA<\/option><option value=\"400\">400 kVA<\/option><option value=\"500\">500 kVA<\/option><option value=\"630\">630 kVA<\/option><option value=\"800\">800 kVA<\/option><option value=\"1000\">1000 kVA<\/option><option value=\"1250\">1250 kVA<\/option><option value=\"1600\">1600 kVA<\/option><option value=\"2000\">2000 kVA<\/option><option value=\"2500\">2500 kVA<\/option><\/select><\/label><p data-filter-status aria-live=\"polite\">19 ratings<\/p><\/div><p class=\"scroll-hint\">Scroll across the table to view every loss and impedance column.<\/p><div class=\"table-wrap\" role=\"region\" tabindex=\"0\" aria-label=\"SCB 6\u201310 kV reference ratings up to 2500 kVA\"><table data-rating-matrix><caption>SCB 6\u201310 kV reference ratings up to 2500 kVA<\/caption><thead><tr><th scope=\"col\">Rated capacity (kVA)<\/th><th scope=\"col\">SCB12 no load loss (W)<\/th><th scope=\"col\">SCB12 load loss (W)<\/th><th scope=\"col\">SCB14 no load loss (W)<\/th><th scope=\"col\">SCB14 load loss (W)<\/th><th scope=\"col\">SCB18 no load loss (W)<\/th><th scope=\"col\">SCB18 load loss (W)<\/th><th scope=\"col\">No-load current (%)<\/th><th scope=\"col\">Short-circuit impedance (%)<\/th><\/tr><\/thead><tbody><tr data-capacity=\"30\"><th scope=\"row\">30<\/th><td>150<\/td><td>710<\/td><td>130<\/td><td>640<\/td><td>105<\/td><td>640<\/td><td>2<\/td><td>4<\/td><\/tr><tr data-capacity=\"50\"><th scope=\"row\">50<\/th><td>215<\/td><td>1000<\/td><td>185<\/td><td>900<\/td><td>155<\/td><td>900<\/td><td>2<\/td><td>4<\/td><\/tr><tr data-capacity=\"80\"><th scope=\"row\">80<\/th><td>295<\/td><td>1380<\/td><td>250<\/td><td>1240<\/td><td>210<\/td><td>1240<\/td><td>1.5<\/td><td>4<\/td><\/tr><tr data-capacity=\"100\"><th scope=\"row\">100<\/th><td>320<\/td><td>1570<\/td><td>270<\/td><td>1415<\/td><td>230<\/td><td>1415<\/td><td>1.5<\/td><td>4<\/td><\/tr><tr data-capacity=\"125\"><th scope=\"row\">125<\/th><td>375<\/td><td>1850<\/td><td>320<\/td><td>1665<\/td><td>270<\/td><td>1665<\/td><td>1.3<\/td><td>4<\/td><\/tr><tr data-capacity=\"160\"><th scope=\"row\">160<\/th><td>430<\/td><td>2130<\/td><td>365<\/td><td>1915<\/td><td>310<\/td><td>1915<\/td><td>1.3<\/td><td>4<\/td><\/tr><tr data-capacity=\"200\"><th scope=\"row\">200<\/th><td>495<\/td><td>2530<\/td><td>420<\/td><td>2275<\/td><td>360<\/td><td>2275<\/td><td>1.1<\/td><td>4<\/td><\/tr><tr data-capacity=\"250\"><th scope=\"row\">250<\/th><td>575<\/td><td>2760<\/td><td>490<\/td><td>2485<\/td><td>415<\/td><td>2485<\/td><td>0.9<\/td><td>4<\/td><\/tr><tr data-capacity=\"315\"><th scope=\"row\">315<\/th><td>705<\/td><td>3470<\/td><td>600<\/td><td>3125<\/td><td>510<\/td><td>3125<\/td><td>0.8<\/td><td>4<\/td><\/tr><tr data-capacity=\"400\"><th scope=\"row\">400<\/th><td>785<\/td><td>3990<\/td><td>665<\/td><td>3590<\/td><td>570<\/td><td>3590<\/td><td>0.8<\/td><td>4<\/td><\/tr><tr data-capacity=\"500\"><th scope=\"row\">500<\/th><td>930<\/td><td>4880<\/td><td>790<\/td><td>4390<\/td><td>670<\/td><td>4390<\/td><td>0.8<\/td><td>4<\/td><\/tr><tr data-capacity=\"630\"><th scope=\"row\">630<\/th><td>1070<\/td><td>5880<\/td><td>910<\/td><td>5290<\/td><td>775<\/td><td>5290<\/td><td>0.7<\/td><td>4<\/td><\/tr><tr data-capacity=\"630\"><th scope=\"row\">630<\/th><td>1040<\/td><td>5960<\/td><td>885<\/td><td>5365<\/td><td>750<\/td><td>5365<\/td><td>0.7<\/td><td>6<\/td><\/tr><tr data-capacity=\"800\"><th scope=\"row\">800<\/th><td>1215<\/td><td>6960<\/td><td>1035<\/td><td>6265<\/td><td>875<\/td><td>6265<\/td><td>0.7<\/td><td>6<\/td><\/tr><tr data-capacity=\"1000\"><th scope=\"row\">1000<\/th><td>1415<\/td><td>8130<\/td><td>1205<\/td><td>7315<\/td><td>1020<\/td><td>7315<\/td><td>0.7<\/td><td>6<\/td><\/tr><tr data-capacity=\"1250\"><th scope=\"row\">1250<\/th><td>1670<\/td><td>9690<\/td><td>1420<\/td><td>8720<\/td><td>1205<\/td><td>8720<\/td><td>0.7<\/td><td>6<\/td><\/tr><tr data-capacity=\"1600\"><th scope=\"row\">1600<\/th><td>1960<\/td><td>11730<\/td><td>1665<\/td><td>10555<\/td><td>1415<\/td><td>10555<\/td><td>0.7<\/td><td>6<\/td><\/tr><tr data-capacity=\"2000\"><th scope=\"row\">2000<\/th><td>2440<\/td><td>14450<\/td><td>2075<\/td><td>13005<\/td><td>1760<\/td><td>13005<\/td><td>0.6<\/td><td>6<\/td><\/tr><tr data-capacity=\"2500\"><th scope=\"row\">2500<\/th><td>2880<\/td><td>17170<\/td><td>2450<\/td><td>15445<\/td><td>2080<\/td><td>15445<\/td><td>0.6<\/td><td>6<\/td><\/tr><\/tbody><\/table><\/div><div class=\"table-notes\"><p>Loss values are shown in W. Impedance values remain attached to their capacity entries.<\/p><p>Entries with the same capacity but different impedance are separate ratings.<\/p><\/div><a class=\"document-row\" href=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/08\/subian-electric-cn26i11c-certificate.webp\" target=\"_blank\" rel=\"noopener\"><span><strong>SCB18-2000\/10-NX1 \u2014 Published Verification Copy by Subian<\/strong><small>One-page Test Verification of Conformity, CN26I11C 001, dated 30 March 2026; names JIANGSU SUBIAN POWER EQUIPMENT CO., LTD. and the SCB18-2000\/10-NX1 specimen.<\/small><\/span><span class=\"document-action\">View document <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M12 3v12m-5-5 5 5 5-5M4 16v5h16v-5\"\/><\/svg><\/span><\/a><\/div><\/div><footer><a class=\"text-link modal-document-link\" href=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-02-dry-type-dry-type-transformer-guide-2b8a26ae.pdf\" target=\"_blank\" rel=\"noopener\" aria-label=\"Open series guide PDF\">Family overview (PDF) <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M12 3v12m-5-5 5 5 5-5M4 16v5h16v-5\"\/><\/svg><\/a><a href=\"#\" class=\"button\" data-inquiry>Request a quotation <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M4 12h15m-6-6 6 6-6 6\"\/><\/svg><\/a><\/footer><\/dialog>\n<dialog class=\"oil-modal\" id=\"modal-dry-scb-20kv\" data-product-id=\"dry-scb-20kv\" aria-labelledby=\"modal-dry-scb-20kv-title\"><header><h2 id=\"modal-dry-scb-20kv-title\" tabindex=\"-1\">SCB Series 20 kV Cast-resin Transformer<\/h2><button class=\"icon-button\" type=\"button\" data-close-modal aria-label=\"Close product details\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"m6 6 12 12M18 6 6 18\"\/><\/svg><\/button><\/header><div class=\"modal-tabs\" role=\"tablist\" aria-label=\"Product details\"><button type=\"button\" role=\"tab\" id=\"modal-dry-scb-20kv-tab-overview\" data-modal-tab=\"overview\" aria-controls=\"modal-dry-scb-20kv-overview\" aria-selected=\"true\" tabindex=\"0\">Overview<\/button><button type=\"button\" role=\"tab\" id=\"modal-dry-scb-20kv-tab-technical\" data-modal-tab=\"technical\" aria-controls=\"modal-dry-scb-20kv-technical\" aria-selected=\"false\" tabindex=\"-1\">Technical data<\/button><\/div><div data-modal-scroll><div id=\"modal-dry-scb-20kv-overview\" data-modal-panel=\"overview\" role=\"tabpanel\" aria-labelledby=\"modal-dry-scb-20kv-tab-overview\" ><div class=\"modal-overview\"><div class=\"modal-gallery\"><div class=\"gallery-stage\"><img loading=\"lazy\" decoding=\"async\" data-gallery-main src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f042-960-90175c81.webp\" alt=\"SCB Series 20 kV Cast-resin Transformer \u2014 series photograph\" width=\"960\" height=\"960\"><\/div><div class=\"gallery-thumbs\"><button type=\"button\" data-gallery-src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f042-960-90175c81.webp\" data-gallery-alt=\"SCB Series 20 kV Cast-resin Transformer \u2014 view 1\" data-gallery-caption=\"Series construction photograph.\" aria-label=\"View product photo 1\" aria-pressed=\"true\"><img decoding=\"async\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f042-480-ce1f3f68.webp\" alt=\"\" width=\"90\" height=\"80\" loading=\"lazy\"><\/button><button type=\"button\" data-gallery-src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f038-960-59cba7f2.webp\" data-gallery-alt=\"SCB Series 20 kV Cast-resin Transformer \u2014 view 2\" data-gallery-caption=\"Series construction photograph.\" aria-label=\"View product photo 2\" aria-pressed=\"false\"><img decoding=\"async\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f038-480-65a524a1.webp\" alt=\"\" width=\"90\" height=\"80\" loading=\"lazy\"><\/button><button type=\"button\" data-gallery-src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f039-960-fd4c6ad1.webp\" data-gallery-alt=\"SCB Series 20 kV Cast-resin Transformer \u2014 view 3\" data-gallery-caption=\"Series construction photograph.\" aria-label=\"View product photo 3\" aria-pressed=\"false\"><img decoding=\"async\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f039-480-a6493263.webp\" alt=\"\" width=\"90\" height=\"80\" loading=\"lazy\"><\/button><button type=\"button\" data-gallery-src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f040-960-bff8e066.webp\" data-gallery-alt=\"SCB Series 20 kV Cast-resin Transformer \u2014 view 4\" data-gallery-caption=\"Series construction photograph.\" aria-label=\"View product photo 4\" aria-pressed=\"false\"><img decoding=\"async\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f040-480-6ba4b3c4.webp\" alt=\"\" width=\"90\" height=\"80\" loading=\"lazy\"><\/button><button type=\"button\" data-gallery-src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f041-960-d905dbfd.webp\" data-gallery-alt=\"SCB Series 20 kV Cast-resin Transformer \u2014 view 5\" data-gallery-caption=\"Series construction photograph.\" aria-label=\"View product photo 5\" aria-pressed=\"false\"><img decoding=\"async\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f041-480-ac183f9a.webp\" alt=\"\" width=\"90\" height=\"80\" loading=\"lazy\"><\/button><button type=\"button\" data-gallery-src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f043-960-73406761.webp\" data-gallery-alt=\"SCB Series 20 kV Cast-resin Transformer \u2014 view 6\" data-gallery-caption=\"Series construction photograph.\" aria-label=\"View product photo 6\" aria-pressed=\"false\"><img decoding=\"async\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f043-480-7739fa12.webp\" alt=\"\" width=\"90\" height=\"80\" loading=\"lazy\"><\/button><\/div><p data-gallery-caption-text class=\"photo-caption\">Series construction photograph.<\/p><\/div><div><p>The 20 kV SCB family is intended for indoor distribution in urban, commercial, industrial and transport facilities. Epoxy-resin cast windings form an oil-free assembly. AN\/AF cooling and enclosure options are selected together with the installation layout and required thermal duty.<\/p><p>Primary-voltage options are 20, 22 and 24 kV, with a 0.4 kV secondary. Dyn11 and Yyn0 are listed vector groups. The reference schedule lists 17 entries from 50 to 2500 kVA, including separate 6% and 8% impedance entries at both 2000 and 2500 kVA.<\/p><p>Load losses are stated separately for 130 \u00b0C class B at a 100 \u00b0C reference temperature, 155 \u00b0C class F at 120 \u00b0C, and 180 \u00b0C class H at 145 \u00b0C. These conditions stay with the kilowatt values in the table; they are not ambient-temperature limits.<\/p><p>Stainless-steel and aluminium-alloy enclosure options are described for SCB transformers, with IP20 and IP23 protection options. The enclosure ventilation and room heat-removal path are reviewed with the selected transformer output.<\/p><dl class=\"modal-facts\"><div><dt>Rated capacity at 20 kV<\/dt><dd>30\u20134000 kVA<\/dd><\/div><div><dt>Primary-voltage options<\/dt><dd>20 \/ 22 \/ 24 kV<\/dd><\/div><div><dt>Secondary voltage<\/dt><dd>0.4 kV<\/dd><\/div><div><dt>Vector-group options<\/dt><dd>Dyn11 \/ Yyn0<\/dd><\/div><div><dt>Impedance schedule<\/dt><dd>6%; separate 8% entries at 2000 and 2500 kVA<\/dd><\/div><div><dt>Load-loss conditions<\/dt><dd>B \/ 100 \u00b0C; F \/ 120 \u00b0C; H \/ 145 \u00b0C<\/dd><\/div><div><dt>Cooling options<\/dt><dd>AN \/ AF<\/dd><\/div><div><dt>Enclosure protection options<\/dt><dd>IP20 \/ IP23<\/dd><\/div><div><dt>Rating-table units<\/dt><dd>Losses: kW; no-load current and impedance: %<\/dd><\/div><\/dl><\/div><\/div><\/div><div id=\"modal-dry-scb-20kv-technical\" data-modal-panel=\"technical\" role=\"tabpanel\" aria-labelledby=\"modal-dry-scb-20kv-tab-technical\" hidden><div class=\"table-wrap\" role=\"region\" tabindex=\"0\" aria-label=\"20 kV thermal-class columns\"><table class=\"property-table\"><caption>20 kV thermal-class columns<\/caption><thead><tr><th scope=\"col\">Insulation thermal class<\/th><th scope=\"col\">Reference temperature for load loss<\/th><\/tr><\/thead><tbody><tr><th scope=\"row\">130 \u00b0C (B)<\/th><td>100 \u00b0C<\/td><\/tr><tr><th scope=\"row\">155 \u00b0C (F)<\/th><td>120 \u00b0C<\/td><\/tr><tr><th scope=\"row\">180 \u00b0C (H)<\/th><td>145 \u00b0C<\/td><\/tr><\/tbody><\/table><\/div><div class=\"table-notes\"><\/div><div class=\"table-wrap\" role=\"region\" tabindex=\"0\" aria-label=\"Common electrical fields\"><table class=\"property-table\"><caption>Common electrical fields<\/caption><thead><tr><th scope=\"col\">Property<\/th><th scope=\"col\">Value<\/th><\/tr><\/thead><tbody><tr><th scope=\"row\">Primary voltage options (kV)<\/th><td>20 \/ 22 \/ 24<\/td><\/tr><tr><th scope=\"row\">Secondary voltage (kV)<\/th><td>0.4<\/td><\/tr><tr><th scope=\"row\">Vector group options<\/th><td>Dyn11\/Yyn0<\/td><\/tr><\/tbody><\/table><\/div><div class=\"table-notes\"><\/div><div class=\"rating-toolbar\"><label>Rated capacity<select data-capacity-filter><option value=\"\">All capacities<\/option><option value=\"50\">50 kVA<\/option><option value=\"100\">100 kVA<\/option><option value=\"160\">160 kVA<\/option><option value=\"200\">200 kVA<\/option><option value=\"250\">250 kVA<\/option><option value=\"315\">315 kVA<\/option><option value=\"400\">400 kVA<\/option><option value=\"500\">500 kVA<\/option><option value=\"630\">630 kVA<\/option><option value=\"800\">800 kVA<\/option><option value=\"1000\">1000 kVA<\/option><option value=\"1250\">1250 kVA<\/option><option value=\"1600\">1600 kVA<\/option><option value=\"2000\">2000 kVA<\/option><option value=\"2500\">2500 kVA<\/option><\/select><\/label><p data-filter-status aria-live=\"polite\">17 ratings<\/p><\/div><p class=\"scroll-hint\">Scroll across the table to view every loss and impedance column.<\/p><div class=\"table-wrap\" role=\"region\" tabindex=\"0\" aria-label=\"SCB 20 kV reference ratings up to 2500 kVA\"><table data-rating-matrix><caption>SCB 20 kV reference ratings up to 2500 kVA<\/caption><thead><tr><th scope=\"col\">Rated capacity (kVA)<\/th><th scope=\"col\">No-load loss (kW)<\/th><th scope=\"col\">Load loss \u2014 130 \u00b0C (B); reference 100 \u00b0C (kW)<\/th><th scope=\"col\">Load loss \u2014 155 \u00b0C (F); reference 120 \u00b0C (kW)<\/th><th scope=\"col\">Load loss \u2014 180 \u00b0C (H); reference 145 \u00b0C (kW)<\/th><th scope=\"col\">No-load current (%)<\/th><th scope=\"col\">Short-circuit impedance (%)<\/th><\/tr><\/thead><tbody><tr data-capacity=\"50\"><th scope=\"row\">50<\/th><td>0.34<\/td><td>1.16<\/td><td>1.23<\/td><td>1.31<\/td><td>2<\/td><td>6<\/td><\/tr><tr data-capacity=\"100\"><th scope=\"row\">100<\/th><td>0.54<\/td><td>1.87<\/td><td>1.99<\/td><td>2.13<\/td><td>1.8<\/td><td>6<\/td><\/tr><tr data-capacity=\"160\"><th scope=\"row\">160<\/th><td>0.67<\/td><td>2.33<\/td><td>2.47<\/td><td>2.64<\/td><td>1.5<\/td><td>6<\/td><\/tr><tr data-capacity=\"200\"><th scope=\"row\">200<\/th><td>0.73<\/td><td>2.77<\/td><td>2.94<\/td><td>3.14<\/td><td>1.5<\/td><td>6<\/td><\/tr><tr data-capacity=\"250\"><th scope=\"row\">250<\/th><td>0.84<\/td><td>3.22<\/td><td>3.42<\/td><td>3.66<\/td><td>1.3<\/td><td>6<\/td><\/tr><tr data-capacity=\"315\"><th scope=\"row\">315<\/th><td>0.97<\/td><td>3.85<\/td><td>4.08<\/td><td>4.36<\/td><td>1.3<\/td><td>6<\/td><\/tr><tr data-capacity=\"400\"><th scope=\"row\">400<\/th><td>1.15<\/td><td>4.65<\/td><td>4.84<\/td><td>5.18<\/td><td>1.1<\/td><td>6<\/td><\/tr><tr data-capacity=\"500\"><th scope=\"row\">500<\/th><td>1.35<\/td><td>5.46<\/td><td>5.79<\/td><td>6.19<\/td><td>1.1<\/td><td>6<\/td><\/tr><tr data-capacity=\"630\"><th scope=\"row\">630<\/th><td>1.53<\/td><td>6.45<\/td><td>6.84<\/td><td>7.32<\/td><td>1<\/td><td>6<\/td><\/tr><tr data-capacity=\"800\"><th scope=\"row\">800<\/th><td>1.75<\/td><td>7.79<\/td><td>8.26<\/td><td>8.84<\/td><td>1<\/td><td>6<\/td><\/tr><tr data-capacity=\"1000\"><th scope=\"row\">1000<\/th><td>2.07<\/td><td>9.22<\/td><td>9.78<\/td><td>10.4<\/td><td>0.85<\/td><td>6<\/td><\/tr><tr data-capacity=\"1250\"><th scope=\"row\">1250<\/th><td>2.38<\/td><td>10.8<\/td><td>11.5<\/td><td>12.3<\/td><td>0.85<\/td><td>6<\/td><\/tr><tr data-capacity=\"1600\"><th scope=\"row\">1600<\/th><td>2.79<\/td><td>13<\/td><td>13.8<\/td><td>14.8<\/td><td>0.85<\/td><td>6<\/td><\/tr><tr data-capacity=\"2000\"><th scope=\"row\">2000<\/th><td>3.24<\/td><td>15.4<\/td><td>16.3<\/td><td>17.5<\/td><td>0.7<\/td><td>6<\/td><\/tr><tr data-capacity=\"2500\"><th scope=\"row\">2500<\/th><td>3.87<\/td><td>18.2<\/td><td>19.3<\/td><td>20.7<\/td><td>0.7<\/td><td>6<\/td><\/tr><tr data-capacity=\"2000\"><th scope=\"row\">2000<\/th><td>3.24<\/td><td>16.8<\/td><td>17.8<\/td><td>19.1<\/td><td>0.7<\/td><td>8<\/td><\/tr><tr data-capacity=\"2500\"><th scope=\"row\">2500<\/th><td>3.87<\/td><td>20<\/td><td>21.2<\/td><td>22.7<\/td><td>0.7<\/td><td>8<\/td><\/tr><\/tbody><\/table><\/div><div class=\"table-notes\"><p>Loss values are shown in kW. Impedance values remain attached to their capacity entries.<\/p><p>Load-loss columns retain their thermal-class and reference-temperature conditions.<\/p><p>Entries with the same capacity but different impedance are separate ratings.<\/p><\/div><\/div><\/div><footer><a class=\"text-link modal-document-link\" href=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-02-dry-type-dry-type-transformer-guide-2b8a26ae.pdf\" target=\"_blank\" rel=\"noopener\" aria-label=\"Open series guide PDF\">Family overview (PDF) <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M12 3v12m-5-5 5 5 5-5M4 16v5h16v-5\"\/><\/svg><\/a><a href=\"#\" class=\"button\" data-inquiry>Request a quotation <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M4 12h15m-6-6 6 6-6 6\"\/><\/svg><\/a><\/footer><\/dialog>\n<dialog class=\"oil-modal\" id=\"modal-dry-scb-35kv\" data-product-id=\"dry-scb-35kv\" aria-labelledby=\"modal-dry-scb-35kv-title\"><header><h2 id=\"modal-dry-scb-35kv-title\" tabindex=\"-1\">SCB Series 35 kV Cast-resin Transformer<\/h2><button class=\"icon-button\" type=\"button\" data-close-modal aria-label=\"Close product details\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"m6 6 12 12M18 6 6 18\"\/><\/svg><\/button><\/header><div class=\"modal-tabs\" role=\"tablist\" aria-label=\"Product details\"><button type=\"button\" role=\"tab\" id=\"modal-dry-scb-35kv-tab-overview\" data-modal-tab=\"overview\" aria-controls=\"modal-dry-scb-35kv-overview\" aria-selected=\"true\" tabindex=\"0\">Overview<\/button><button type=\"button\" role=\"tab\" id=\"modal-dry-scb-35kv-tab-technical\" data-modal-tab=\"technical\" aria-controls=\"modal-dry-scb-35kv-technical\" aria-selected=\"false\" tabindex=\"-1\">Technical data<\/button><\/div><div data-modal-scroll><div id=\"modal-dry-scb-35kv-overview\" data-modal-panel=\"overview\" role=\"tabpanel\" aria-labelledby=\"modal-dry-scb-35kv-tab-overview\" ><div class=\"modal-overview\"><div class=\"modal-gallery\"><div class=\"gallery-stage\"><img loading=\"lazy\" decoding=\"async\" data-gallery-main src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f046-960-89cb1037.webp\" alt=\"SCB Series 35 kV Cast-resin Transformer \u2014 series photograph\" width=\"960\" height=\"960\"><\/div><div class=\"gallery-thumbs\"><button type=\"button\" data-gallery-src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f046-960-89cb1037.webp\" data-gallery-alt=\"SCB Series 35 kV Cast-resin Transformer \u2014 view 1\" data-gallery-caption=\"Series construction photograph.\" aria-label=\"View product photo 1\" aria-pressed=\"true\"><img decoding=\"async\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f046-480-48122f14.webp\" alt=\"\" width=\"90\" height=\"80\" loading=\"lazy\"><\/button><button type=\"button\" data-gallery-src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f047-960-47d86ab9.webp\" data-gallery-alt=\"SCB Series 35 kV Cast-resin Transformer \u2014 view 2\" data-gallery-caption=\"Series construction photograph.\" aria-label=\"View product photo 2\" aria-pressed=\"false\"><img decoding=\"async\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f047-480-5eb4e9b1.webp\" alt=\"\" width=\"90\" height=\"80\" loading=\"lazy\"><\/button><button type=\"button\" data-gallery-src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f048-960-5143c323.webp\" data-gallery-alt=\"SCB Series 35 kV Cast-resin Transformer \u2014 view 3\" data-gallery-caption=\"Series construction photograph.\" aria-label=\"View product photo 3\" aria-pressed=\"false\"><img decoding=\"async\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f048-480-cc81b0d2.webp\" alt=\"\" width=\"90\" height=\"80\" loading=\"lazy\"><\/button><\/div><p data-gallery-caption-text class=\"photo-caption\">Series construction photograph.<\/p><\/div><div><p>The 35 kV SCB branch uses three-phase epoxy-resin cast construction. Its model designation identifies resin insulation and the low-voltage foil-winding arrangement. Applications include urban distribution, commercial facilities, transport infrastructure and industrial transformer rooms.<\/p><p>The wider 20\u201335 kV SCB family lists primary-voltage classes of 20, 25, 30 and 35 kV, F\/H insulation options, AN\/AF cooling and IP20\/IP23 enclosures. These are family configuration choices. The selected 35 kV design has its own rated capacity, secondary voltage, insulation arrangement and loss specification.<\/p><p>The installation review brings together the electrical duty and the room interfaces. Terminal clearances, cable or busbar approach, enclosure ventilation and service access are established for the selected configuration. The output associated with AN or AF operation is defined together with the applicable thermal requirements.<\/p><p>A separate SCB10 \u00b7 35\/0.4 kV reference schedule gives seven examples from 630 to 2500 kVA at 6% impedance, with F-class load loss stated at 120 \u00b0C. These values support preliminary specification; the loss level, supply frequency and cooling duty are confirmed for the ordered configuration.<\/p><dl class=\"modal-facts\"><div><dt>Voltage class<\/dt><dd>35 kV<\/dd><\/div><div><dt>Phase arrangement<\/dt><dd>Three-phase<\/dd><\/div><div><dt>Insulation construction<\/dt><dd>Epoxy-resin cast<\/dd><\/div><div><dt>Model family<\/dt><dd>SCB<\/dd><\/div><div><dt>Reference rating examples<\/dt><dd>SCB10 \u00b7 35\/0.4 kV \u00b7 630\u20132500 kVA<\/dd><\/div><div><dt>Insulation-class options<\/dt><dd>F \/ H within the 20\u201335 kV family<\/dd><\/div><div><dt>Cooling options<\/dt><dd>AN \/ AF<\/dd><\/div><div><dt>Enclosure protection options<\/dt><dd>IP20 \/ IP23<\/dd><\/div><div><dt>Applications<\/dt><dd>Indoor distribution, commercial facilities, transport and industry<\/dd><\/div><\/dl><\/div><\/div><\/div><div id=\"modal-dry-scb-35kv-technical\" data-modal-panel=\"technical\" role=\"tabpanel\" aria-labelledby=\"modal-dry-scb-35kv-tab-technical\" hidden><div class=\"table-wrap\" role=\"region\" tabindex=\"0\" aria-label=\"35 kV configuration topics\"><table class=\"property-table\"><caption>35 kV configuration topics<\/caption><thead><tr><th scope=\"col\">Item<\/th><th scope=\"col\">Specification detail<\/th><\/tr><\/thead><tbody><tr><th scope=\"row\">Electrical duty<\/th><td>Rated capacity, voltage ratio, frequency, impedance and vector group<\/td><\/tr><tr><th scope=\"row\">Insulation<\/th><td>Selected thermal class and voltage-specific insulation requirements<\/td><\/tr><tr><th scope=\"row\">Cooling<\/th><td>AN or AF duty with room ventilation<\/td><\/tr><tr><th scope=\"row\">Enclosure<\/th><td>Protection degree, material, airflow and access<\/td><\/tr><tr><th scope=\"row\">Connections<\/th><td>HV\/LV terminal arrangement and cable or busbar interfaces<\/td><\/tr><\/tbody><\/table><\/div><div class=\"table-notes\"><p>The numerical reference schedule below is specific to SCB10\/35; it does not transfer to SCB12, SCB14 or SCB18.<\/p><\/div><div class=\"table-wrap\" role=\"region\" tabindex=\"0\" aria-label=\"Common electrical fields\"><table class=\"property-table\"><caption>Common electrical fields<\/caption><thead><tr><th scope=\"col\">Property<\/th><th scope=\"col\">Value<\/th><\/tr><\/thead><tbody><tr><th scope=\"row\">Reference model<\/th><td>SCB10\/35<\/td><\/tr><tr><th scope=\"row\">Selected primary voltage (kV)<\/th><td>35<\/td><\/tr><tr><th scope=\"row\">Secondary voltage (kV)<\/th><td>0.4<\/td><\/tr><tr><th scope=\"row\">Vector-group options<\/th><td>Dyn11 \/ Yyn0<\/td><\/tr><tr><th scope=\"row\">HV tap range<\/th><td>\u00b12 \u00d7 2.5%<\/td><\/tr><tr><th scope=\"row\">Load-loss condition<\/th><td>F class, reference 120 \u00b0C<\/td><\/tr><\/tbody><\/table><\/div><div class=\"table-notes\"><\/div><div class=\"rating-toolbar\"><label>Rated capacity<select data-capacity-filter><option value=\"\">All capacities<\/option><option value=\"630\">630 kVA<\/option><option value=\"800\">800 kVA<\/option><option value=\"1000\">1000 kVA<\/option><option value=\"1250\">1250 kVA<\/option><option value=\"1600\">1600 kVA<\/option><option value=\"2000\">2000 kVA<\/option><option value=\"2500\">2500 kVA<\/option><\/select><\/label><p data-filter-status aria-live=\"polite\">7 ratings<\/p><\/div><p class=\"scroll-hint\">Scroll across the table to view every loss and impedance column.<\/p><div class=\"table-wrap\" role=\"region\" tabindex=\"0\" aria-label=\"SCB10 \u00b7 35\/0.4 kV reference configuration\"><table data-rating-matrix><caption>SCB10 \u00b7 35\/0.4 kV reference configuration<\/caption><thead><tr><th scope=\"col\">Rated capacity (kVA)<\/th><th scope=\"col\">No-load loss (W)<\/th><th scope=\"col\">Load loss \u2014 F class; reference 120 \u00b0C (W)<\/th><th scope=\"col\">No-load current (%)<\/th><th scope=\"col\">Short-circuit impedance (%)<\/th><\/tr><\/thead><tbody><tr data-capacity=\"630\"><th scope=\"row\">630<\/th><td>1860<\/td><td>7690<\/td><td>1.0<\/td><td>6<\/td><\/tr><tr data-capacity=\"800\"><th scope=\"row\">800<\/th><td>2160<\/td><td>9120<\/td><td>1.0<\/td><td>6<\/td><\/tr><tr data-capacity=\"1000\"><th scope=\"row\">1000<\/th><td>2430<\/td><td>10400<\/td><td>0.75<\/td><td>6<\/td><\/tr><tr data-capacity=\"1250\"><th scope=\"row\">1250<\/th><td>2830<\/td><td>12700<\/td><td>0.75<\/td><td>6<\/td><\/tr><tr data-capacity=\"1600\"><th scope=\"row\">1600<\/th><td>3240<\/td><td>15400<\/td><td>0.75<\/td><td>6<\/td><\/tr><tr data-capacity=\"2000\"><th scope=\"row\">2000<\/th><td>3820<\/td><td>18200<\/td><td>0.75<\/td><td>6<\/td><\/tr><tr data-capacity=\"2500\"><th scope=\"row\">2500<\/th><td>4450<\/td><td>21800<\/td><td>0.75<\/td><td>6<\/td><\/tr><\/tbody><\/table><\/div><div class=\"table-notes\"><p>Published SCB10\/35 reference values for preliminary specification. Final losses, frequency and cooling duty are agreed for the ordered configuration.<\/p><p>The 120 \u00b0C reference applies to load loss; it is not the ambient-temperature limit.<\/p><\/div><p class=\"table-source\">Published SCB10\/35 reference schedule<\/p><\/div><\/div><footer><a class=\"text-link modal-document-link\" href=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-02-dry-type-dry-type-transformer-guide-2b8a26ae.pdf\" target=\"_blank\" rel=\"noopener\" aria-label=\"Open series guide PDF\">Family overview (PDF) <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M12 3v12m-5-5 5 5 5-5M4 16v5h16v-5\"\/><\/svg><\/a><a href=\"#\" class=\"button\" data-inquiry>Request a quotation <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M4 12h15m-6-6 6 6-6 6\"\/><\/svg><\/a><\/footer><\/dialog>\n<dialog class=\"oil-modal\" id=\"modal-dry-scbh-amorphous\" data-product-id=\"dry-scbh-amorphous\" aria-labelledby=\"modal-dry-scbh-amorphous-title\"><header><h2 id=\"modal-dry-scbh-amorphous-title\" tabindex=\"-1\">SCBH Series Amorphous-alloy Dry-type Transformer<\/h2><button class=\"icon-button\" type=\"button\" data-close-modal aria-label=\"Close product details\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"m6 6 12 12M18 6 6 18\"\/><\/svg><\/button><\/header><div class=\"modal-tabs\" role=\"tablist\" aria-label=\"Product details\"><button type=\"button\" role=\"tab\" id=\"modal-dry-scbh-amorphous-tab-overview\" data-modal-tab=\"overview\" aria-controls=\"modal-dry-scbh-amorphous-overview\" aria-selected=\"true\" tabindex=\"0\">Overview<\/button><button type=\"button\" role=\"tab\" id=\"modal-dry-scbh-amorphous-tab-technical\" data-modal-tab=\"technical\" aria-controls=\"modal-dry-scbh-amorphous-technical\" aria-selected=\"false\" tabindex=\"-1\">Technical data<\/button><\/div><div data-modal-scroll><div id=\"modal-dry-scbh-amorphous-overview\" data-modal-panel=\"overview\" role=\"tabpanel\" aria-labelledby=\"modal-dry-scbh-amorphous-tab-overview\" ><div class=\"modal-overview\"><div class=\"modal-gallery\"><div class=\"gallery-stage\"><img loading=\"lazy\" decoding=\"async\" data-gallery-main src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f024-960-24db0b4a.webp\" alt=\"SCBH Series Amorphous-alloy Dry-type Transformer \u2014 series photograph\" width=\"960\" height=\"960\"><\/div><div class=\"gallery-thumbs\"><button type=\"button\" data-gallery-src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f024-960-24db0b4a.webp\" data-gallery-alt=\"SCBH Series Amorphous-alloy Dry-type Transformer \u2014 view 1\" data-gallery-caption=\"Series construction photograph.\" aria-label=\"View product photo 1\" aria-pressed=\"true\"><img decoding=\"async\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f024-480-de18a15a.webp\" alt=\"\" width=\"90\" height=\"80\" loading=\"lazy\"><\/button><button type=\"button\" data-gallery-src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f025-960-c3eb2ad2.webp\" data-gallery-alt=\"SCBH Series Amorphous-alloy Dry-type Transformer \u2014 view 2\" data-gallery-caption=\"Series construction photograph.\" aria-label=\"View product photo 2\" aria-pressed=\"false\"><img decoding=\"async\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f025-480-701b07fb.webp\" alt=\"\" width=\"90\" height=\"80\" loading=\"lazy\"><\/button><button type=\"button\" data-gallery-src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f026-960-01eeec7c.webp\" data-gallery-alt=\"SCBH Series Amorphous-alloy Dry-type Transformer \u2014 view 3\" data-gallery-caption=\"Series construction photograph.\" aria-label=\"View product photo 3\" aria-pressed=\"false\"><img decoding=\"async\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f026-480-8ffec962.webp\" alt=\"\" width=\"90\" height=\"80\" loading=\"lazy\"><\/button><button type=\"button\" data-gallery-src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f027-960-2cf7b5d5.webp\" data-gallery-alt=\"SCBH Series Amorphous-alloy Dry-type Transformer \u2014 view 4\" data-gallery-caption=\"Series construction photograph.\" aria-label=\"View product photo 4\" aria-pressed=\"false\"><img decoding=\"async\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-transformers-20261025-f027-480-37aef0c9.webp\" alt=\"\" width=\"90\" height=\"80\" loading=\"lazy\"><\/button><\/div><p data-gallery-caption-text class=\"photo-caption\">Series construction photograph.<\/p><\/div><div><p>The SCBH family combines an amorphous-alloy core with a cast-resin dry-type arrangement. The H in the model code identifies the core material. SCBH15, SCBH17 and SCBH19 are separate performance-series designations, with no-load and load-loss values shown for each.<\/p><p>Primary-voltage options are 6, 6.3, 6.6, 10, 10.5 and 11 kV, with a 0.4 kV secondary. The reference schedule lists 19 entries from 30 to 2500 kVA, including two 630 kVA ratings with separate loss values at 4% and 6% impedance.<\/p><p>The amorphous-core arrangement makes no-load loss an important part of the selection discussion. Use the complete rating row with the expected energization hours and load profile to evaluate operating energy. The schedule supplies tabulated loss values for comparison without imposing a fixed saving percentage on every application.<\/p><p>AN\/AF cooling is described for the family. Define the intended cooling duty, installation environment and temperature-monitoring requirements along with the electrical rating. Building, transport and industrial applications require the transformer to be integrated with the actual room and protection scheme.<\/p><dl class=\"modal-facts\"><div><dt>Core material<\/dt><dd>Amorphous alloy<\/dd><\/div><div><dt>Construction family<\/dt><dd>Cast-resin dry-type<\/dd><\/div><div><dt>Performance series<\/dt><dd>SCBH15 \/ SCBH17 \/ SCBH19<\/dd><\/div><div><dt>Rated capacity at 10 kV<\/dt><dd>30\u20134000 kVA<\/dd><\/div><div><dt>Primary-voltage options<\/dt><dd>6 \/ 6.3 \/ 6.6 \/ 10 \/ 10.5 \/ 11 kV<\/dd><\/div><div><dt>Secondary voltage<\/dt><dd>0.4 kV<\/dd><\/div><div><dt>Cooling options<\/dt><dd>AN \/ AF<\/dd><\/div><div><dt>Impedance groups<\/dt><dd>4% \/ 6%; separate 630 kVA entries<\/dd><\/div><div><dt>Rating-table units<\/dt><dd>Losses: W; impedance: %<\/dd><\/div><\/dl><\/div><\/div><\/div><div id=\"modal-dry-scbh-amorphous-technical\" data-modal-panel=\"technical\" role=\"tabpanel\" aria-labelledby=\"modal-dry-scbh-amorphous-tab-technical\" hidden><div class=\"table-wrap\" role=\"region\" tabindex=\"0\" aria-label=\"Common electrical fields\"><table class=\"property-table\"><caption>Common electrical fields<\/caption><thead><tr><th scope=\"col\">Property<\/th><th scope=\"col\">Value<\/th><\/tr><\/thead><tbody><tr><th scope=\"row\">Primary voltage options (kV)<\/th><td>6 \/ 6.3 \/ 6.6 \/ 10 \/ 10.5 \/ 11<\/td><\/tr><tr><th scope=\"row\">Secondary voltage (kV)<\/th><td>0.4<\/td><\/tr><\/tbody><\/table><\/div><div class=\"table-notes\"><\/div><div class=\"rating-toolbar\"><label>Rated capacity<select data-capacity-filter><option value=\"\">All capacities<\/option><option value=\"30\">30 kVA<\/option><option value=\"50\">50 kVA<\/option><option value=\"80\">80 kVA<\/option><option value=\"100\">100 kVA<\/option><option value=\"125\">125 kVA<\/option><option value=\"160\">160 kVA<\/option><option value=\"200\">200 kVA<\/option><option value=\"250\">250 kVA<\/option><option value=\"315\">315 kVA<\/option><option value=\"400\">400 kVA<\/option><option value=\"500\">500 kVA<\/option><option value=\"630\">630 kVA<\/option><option value=\"800\">800 kVA<\/option><option value=\"1000\">1000 kVA<\/option><option value=\"1250\">1250 kVA<\/option><option value=\"1600\">1600 kVA<\/option><option value=\"2000\">2000 kVA<\/option><option value=\"2500\">2500 kVA<\/option><\/select><\/label><p data-filter-status aria-live=\"polite\">19 ratings<\/p><\/div><p class=\"scroll-hint\">Scroll across the table to view every loss and impedance column.<\/p><div class=\"table-wrap\" role=\"region\" tabindex=\"0\" aria-label=\"SCBH amorphous-alloy reference ratings up to 2500 kVA\"><table data-rating-matrix><caption>SCBH amorphous-alloy reference ratings up to 2500 kVA<\/caption><thead><tr><th scope=\"col\">Rated capacity (kVA)<\/th><th scope=\"col\">SCBH15 no load loss (W)<\/th><th scope=\"col\">SCBH15 load loss (W)<\/th><th scope=\"col\">SCBH17 no load loss (W)<\/th><th scope=\"col\">SCBH17 load loss (W)<\/th><th scope=\"col\">SCBH19 no load loss (W)<\/th><th scope=\"col\">SCBH19 load loss (W)<\/th><th scope=\"col\">Short-circuit impedance (%)<\/th><\/tr><\/thead><tbody><tr data-capacity=\"30\"><th scope=\"row\">30<\/th><td>70<\/td><td>710<\/td><td>60<\/td><td>640<\/td><td>50<\/td><td>640<\/td><td>4<\/td><\/tr><tr data-capacity=\"50\"><th scope=\"row\">50<\/th><td>90<\/td><td>1000<\/td><td>75<\/td><td>900<\/td><td>60<\/td><td>900<\/td><td>4<\/td><\/tr><tr data-capacity=\"80\"><th scope=\"row\">80<\/th><td>120<\/td><td>1380<\/td><td>100<\/td><td>1240<\/td><td>85<\/td><td>1240<\/td><td>4<\/td><\/tr><tr data-capacity=\"100\"><th scope=\"row\">100<\/th><td>130<\/td><td>1570<\/td><td>110<\/td><td>1415<\/td><td>90<\/td><td>1415<\/td><td>4<\/td><\/tr><tr data-capacity=\"125\"><th scope=\"row\">125<\/th><td>150<\/td><td>1850<\/td><td>130<\/td><td>1665<\/td><td>105<\/td><td>1665<\/td><td>4<\/td><\/tr><tr data-capacity=\"160\"><th scope=\"row\">160<\/th><td>170<\/td><td>2130<\/td><td>145<\/td><td>1915<\/td><td>120<\/td><td>1915<\/td><td>4<\/td><\/tr><tr data-capacity=\"200\"><th scope=\"row\">200<\/th><td>200<\/td><td>2530<\/td><td>170<\/td><td>2275<\/td><td>140<\/td><td>2275<\/td><td>4<\/td><\/tr><tr data-capacity=\"250\"><th scope=\"row\">250<\/th><td>230<\/td><td>2760<\/td><td>195<\/td><td>2485<\/td><td>160<\/td><td>2485<\/td><td>4<\/td><\/tr><tr data-capacity=\"315\"><th scope=\"row\">315<\/th><td>280<\/td><td>3470<\/td><td>235<\/td><td>3125<\/td><td>195<\/td><td>3125<\/td><td>4<\/td><\/tr><tr data-capacity=\"400\"><th scope=\"row\">400<\/th><td>310<\/td><td>3990<\/td><td>265<\/td><td>3590<\/td><td>215<\/td><td>3590<\/td><td>4<\/td><\/tr><tr data-capacity=\"500\"><th scope=\"row\">500<\/th><td>360<\/td><td>4880<\/td><td>305<\/td><td>4390<\/td><td>250<\/td><td>4390<\/td><td>4<\/td><\/tr><tr data-capacity=\"630\"><th scope=\"row\">630<\/th><td>420<\/td><td>5880<\/td><td>360<\/td><td>5290<\/td><td>295<\/td><td>5290<\/td><td>4<\/td><\/tr><tr data-capacity=\"630\"><th scope=\"row\">630<\/th><td>410<\/td><td>5960<\/td><td>350<\/td><td>5365<\/td><td>290<\/td><td>5365<\/td><td>6<\/td><\/tr><tr data-capacity=\"800\"><th scope=\"row\">800<\/th><td>480<\/td><td>6960<\/td><td>410<\/td><td>6265<\/td><td>335<\/td><td>6265<\/td><td>6<\/td><\/tr><tr data-capacity=\"1000\"><th scope=\"row\">1000<\/th><td>550<\/td><td>8130<\/td><td>470<\/td><td>7315<\/td><td>385<\/td><td>7315<\/td><td>6<\/td><\/tr><tr data-capacity=\"1250\"><th scope=\"row\">1250<\/th><td>650<\/td><td>9690<\/td><td>550<\/td><td>8720<\/td><td>455<\/td><td>8720<\/td><td>6<\/td><\/tr><tr data-capacity=\"1600\"><th scope=\"row\">1600<\/th><td>760<\/td><td>11730<\/td><td>645<\/td><td>10555<\/td><td>530<\/td><td>10555<\/td><td>6<\/td><\/tr><tr data-capacity=\"2000\"><th scope=\"row\">2000<\/th><td>1000<\/td><td>14450<\/td><td>850<\/td><td>13005<\/td><td>700<\/td><td>13005<\/td><td>6<\/td><\/tr><tr data-capacity=\"2500\"><th scope=\"row\">2500<\/th><td>1200<\/td><td>17170<\/td><td>1020<\/td><td>15445<\/td><td>840<\/td><td>15445<\/td><td>6<\/td><\/tr><\/tbody><\/table><\/div><div class=\"table-notes\"><p>Loss values are shown in W. Impedance values remain attached to their capacity entries.<\/p><p>Entries with the same capacity but different impedance are separate ratings.<\/p><\/div><\/div><\/div><footer><a class=\"text-link modal-document-link\" href=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/10\/subia-02-dry-type-dry-type-transformer-guide-2b8a26ae.pdf\" target=\"_blank\" rel=\"noopener\" aria-label=\"Open series guide PDF\">Family overview (PDF) <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M12 3v12m-5-5 5 5 5-5M4 16v5h16v-5\"\/><\/svg><\/a><a href=\"#\" class=\"button\" data-inquiry>Request a quotation <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M4 12h15m-6-6 6 6-6 6\"\/><\/svg><\/a><\/footer><\/dialog>\n<\/div>\n\n<script id=\"subia-oil-template-runtime\">(() => {\n  'use strict';\n\n  function init() {\n    const productIds = new Set([...document.querySelectorAll('dialog.oil-modal[data-product-id]')].map(dialog => dialog.dataset.productId));\n    const dialogs = new Map();\n    document.querySelectorAll('dialog.oil-modal[data-product-id]').forEach(dialog => {\n      if (productIds.has(dialog.dataset.productId)) dialogs.set(dialog.dataset.productId, dialog);\n    });\n    const stateKey = '__subiaSeriesProduct';\n    \/\/ Keep existing inbound product links working without an extra history entry.\n    const legacyUrl = new URL(location.href);\n    const legacyRecord = legacyUrl.searchParams.get('record');\n    if (legacyRecord && !location.hash.startsWith('#product\/')) {\n      legacyUrl.searchParams.delete('record');\n      legacyUrl.hash = 'product\/' + encodeURIComponent(legacyRecord) + '\/overview';\n      history.replaceState(history.state, '', legacyUrl.pathname + legacyUrl.search + legacyUrl.hash);\n    }\n    const session = `${Date.now()}-${Math.random().toString(36).slice(2)}`;\n    const internalClosures = new WeakSet();\n    const previousTriggers = new Map();\n    const error = document.querySelector('[data-product-error]');\n    let current = null;\n    let pendingClose = false;\n    let pendingReturnFocus = null;\n    let savedBodyStyle = null;\n    let lastPageUrl = location.pathname + location.search;\n\n    function stateCopy() {\n      return history.state && typeof history.state === 'object' && !Array.isArray(history.state)\n        ? { ...history.state } : {};\n    }\n\n    function urlWithoutProduct() {\n      return location.pathname + location.search;\n    }\n\n    function readFragment() {\n      if (!location.hash.startsWith('#product\/')) return { type: 'page' };\n      let parts;\n      try { parts = decodeURIComponent(location.hash.slice(1)).split('\/'); }\n      catch { return { type: 'invalid' }; }\n      if (parts.length < 2 || parts.length > 3 || !dialogs.has(parts[1])) return { type: 'invalid' };\n      return { type: 'product', id: parts[1], tab: parts[2] || 'overview' };\n    }\n\n    function normalTab(dialog, requested) {\n      const buttons = [...dialog.querySelectorAll('[data-modal-tab]')];\n      return buttons.find(button => button.dataset.modalTab === requested)?.dataset.modalTab\n        || buttons.find(button => button.dataset.modalTab === 'overview')?.dataset.modalTab\n        || buttons[0]?.dataset.modalTab || 'overview';\n    }\n\n    function setError(show) {\n      if (!error) return;\n      error.hidden = !show;\n      if (show) {\n        error.textContent = 'This product detail link is unavailable. 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pd-guides is-layout-flow wp-block-group-is-layout-flow\"><div class=\"wp-block-group pd-guides-rail is-layout-flow wp-block-group-is-layout-flow\">\n<header class=\"pd-guides-heading\"><h2>Dry-type Transformer Technical Guides<\/h2><a href=\"https:\/\/subiapower.com\/resources\/\">View all resources<\/a><\/header>\n\n<div class=\"wp-block-query pd-guides-query is-layout-flow wp-block-query-is-layout-flow\">\n<ul class=\"columns-3 wp-block-post-template is-layout-grid wp-container-core-post-template-is-layout-18ef8054 wp-block-post-template-is-layout-grid\"><li class=\"wp-block-post post-1785 post type-post status-publish format-standard has-post-thumbnail hentry category-technical-resources\">\n<figure class=\"wp-block-post-featured-image\"><a href=\"https:\/\/subiapower.com\/es\/oil-immersed-vs-dry-type-transformers-selection-by-installation-conditions\/\" target=\"_self\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/11\/featured-final-8-1024x683.webp\" class=\"attachment-large size-large wp-post-image\" alt=\"Oil-Immersed vs Dry-Type Transformers: Selection by Installation Conditions\" style=\"aspect-ratio:3\/2;width:100%;object-fit:contain;\" srcset=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/11\/featured-final-8-1024x683.webp 1024w, https:\/\/subiapower.com\/wp-content\/uploads\/2026\/11\/featured-final-8-300x200.webp 300w, https:\/\/subiapower.com\/wp-content\/uploads\/2026\/11\/featured-final-8-768x512.webp 768w, https:\/\/subiapower.com\/wp-content\/uploads\/2026\/11\/featured-final-8-18x12.webp 18w, https:\/\/subiapower.com\/wp-content\/uploads\/2026\/11\/featured-final-8.webp 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<h3 class=\"wp-block-post-title\"><a href=\"https:\/\/subiapower.com\/es\/oil-immersed-vs-dry-type-transformers-selection-by-installation-conditions\/\" target=\"_self\">Oil-Immersed vs Dry-Type Transformers: Selection by Installation Conditions<\/a><\/h3>\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">How installation conditions change the choice between oil-immersed and dry-type transformers.<\/p><p class=\"wp-block-post-excerpt__more-text\"><a class=\"wp-block-post-excerpt__more-link\" href=\"https:\/\/subiapower.com\/es\/oil-immersed-vs-dry-type-transformers-selection-by-installation-conditions\/\">Read guide<\/a><\/p><\/div>\n<\/li><li class=\"wp-block-post post-2047 post type-post status-publish format-standard has-post-thumbnail hentry category-technical-resources\">\n<figure class=\"wp-block-post-featured-image\"><a href=\"https:\/\/subiapower.com\/es\/transformer-room-and-substation-ventilation-heat-loss-airflow-and-condensation\/\" target=\"_self\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/11\/featured-final-38-1024x683.webp\" class=\"attachment-large size-large wp-post-image\" alt=\"Transformer Room and Substation Ventilation: Heat Loss, Airflow and Condensation\" style=\"aspect-ratio:3\/2;width:100%;object-fit:contain;\" srcset=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/11\/featured-final-38-1024x683.webp 1024w, https:\/\/subiapower.com\/wp-content\/uploads\/2026\/11\/featured-final-38-300x200.webp 300w, https:\/\/subiapower.com\/wp-content\/uploads\/2026\/11\/featured-final-38-768x512.webp 768w, https:\/\/subiapower.com\/wp-content\/uploads\/2026\/11\/featured-final-38-18x12.webp 18w, https:\/\/subiapower.com\/wp-content\/uploads\/2026\/11\/featured-final-38.webp 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<h3 class=\"wp-block-post-title\"><a href=\"https:\/\/subiapower.com\/es\/transformer-room-and-substation-ventilation-heat-loss-airflow-and-condensation\/\" target=\"_self\">Transformer Room and Substation Ventilation: Heat Loss, Airflow and Condensation<\/a><\/h3>\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">A worked example separates airflow shortfall from a standby condensation risk and sets out what to verify before handover.<\/p><p class=\"wp-block-post-excerpt__more-text\"><a class=\"wp-block-post-excerpt__more-link\" href=\"https:\/\/subiapower.com\/es\/transformer-room-and-substation-ventilation-heat-loss-airflow-and-condensation\/\">Read guide<\/a><\/p><\/div>\n<\/li><li class=\"wp-block-post post-2037 post type-post status-publish format-standard has-post-thumbnail hentry category-technical-resources\">\n<figure class=\"wp-block-post-featured-image\"><a href=\"https:\/\/subiapower.com\/es\/data-center-transformer-sizing-ups-input-cooling-and-redundancy\/\" target=\"_self\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/11\/featured-final-37-1024x683.webp\" class=\"attachment-large size-large wp-post-image\" alt=\"Data Center Transformer Sizing: UPS Input, Cooling and Redundancy\" style=\"aspect-ratio:3\/2;width:100%;object-fit:contain;\" srcset=\"https:\/\/subiapower.com\/wp-content\/uploads\/2026\/11\/featured-final-37-1024x683.webp 1024w, https:\/\/subiapower.com\/wp-content\/uploads\/2026\/11\/featured-final-37-300x200.webp 300w, https:\/\/subiapower.com\/wp-content\/uploads\/2026\/11\/featured-final-37-768x512.webp 768w, https:\/\/subiapower.com\/wp-content\/uploads\/2026\/11\/featured-final-37-18x12.webp 18w, https:\/\/subiapower.com\/wp-content\/uploads\/2026\/11\/featured-final-37.webp 1536w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<h3 class=\"wp-block-post-title\"><a href=\"https:\/\/subiapower.com\/es\/data-center-transformer-sizing-ups-input-cooling-and-redundancy\/\" target=\"_self\">Data Center Transformer Sizing: UPS Input, Cooling and Redundancy<\/a><\/h3>\n<div class=\"wp-block-post-excerpt\"><p class=\"wp-block-post-excerpt__excerpt\">A worked A\/B example compares normal, transfer, bypass and recovery loads before shortlisting transformer ratings.<\/p><p class=\"wp-block-post-excerpt__more-text\"><a class=\"wp-block-post-excerpt__more-link\" href=\"https:\/\/subiapower.com\/es\/data-center-transformer-sizing-ups-input-cooling-and-redundancy\/\">Read guide<\/a><\/p><\/div>\n<\/li><\/ul>\n<\/div>\n\n<\/div>\n<\/section>\n\n\n<style id=\"product-sec-alignment-1017\">\n\/* 1017: section-by-section adaptation of the current oil-immersed template. *\/\nbody.page-id-1017 #subia-oil-template.pd-exhibition{--slate:#102f3a;--teal:#14757a;--orange:#f47216}\nbody.page-id-1017 #subia-oil-template.pd-exhibition .oil-section>.rail{width:min(calc(100% - 80px),1350px)}\nbody.page-id-1017 #subia-oil-template.pd-exhibition .section-nav>.rail{gap:32px;min-height:58px}\nbody.page-id-1017 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.equipment-figure{background:#fff}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #construction .equipment-figure img{height:auto;max-height:520px;object-fit:contain}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #construction .technical-list{gap:26px;margin-top:32px}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #construction .technical-list>div{background:#eef3f3;padding:24px;border:0}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #construction .construction-editorial{display:grid;grid-template-columns:minmax(0,44fr) minmax(0,56fr);grid-template-areas:\"heading photo\" \"copy photo\" \"facts facts\";gap:26px 64px;align-items:start}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #construction .construction-title{grid-area:heading;margin:0}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #construction .construction-copy{grid-area:copy;min-width:0}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #construction .equipment-figure{grid-area:photo;min-width:0;margin:0}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #construction .technical-list{grid-area:facts;margin:0;grid-template-columns:repeat(5,minmax(0,1fr))}\n\/* SEC5: the template's pale technical-topic field, transparent tabs and white panel. *\/\nbody.page-id-1017 #subia-oil-template.pd-exhibition #dry-cooling-design{background:#edf3f2;color:#103744;padding-block:72px}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #dry-cooling-design .pd-topic-heading{font-size:clamp(36px,3.3vw,48px);font-weight:600;line-height:1.2;letter-spacing:-.035em;max-width:24ch;color:#103744;margin-bottom:25px}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #dry-cooling-design .pd-tablist{gap:5px;margin-bottom:22px}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #dry-cooling-design .pd-tab{border:0;border-radius:3px;background:transparent;color:#435f68;min-height:60px;padding:14px 9px;text-align:center;font-size:15px}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #dry-cooling-design .pd-tab[aria-selected=true]{background:#103744;color:#fff}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #dry-cooling-design .pd-panel{background:#fff;padding:28px;color:#103744}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #dry-cooling-design :is(h3,h4,dt,dd,strong){color:#103744}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #dry-cooling-design p{color:#435f68;font-size:16px;line-height:1.7}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #dry-cooling-design .pd-panel-heading{font-size:25px;line-height:1.25;margin-bottom:22px}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #dry-cooling-design .technical-list>div{background:#edf5f2}\n\/* SEC6: white engineering area, slate selected tabs and pale specification deck. *\/\nbody.page-id-1017 #subia-oil-template.pd-exhibition #dry-electrical-review{background:#fff;padding-block:64px}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #dry-electrical-review .pd-topic-heading{font-size:clamp(32px,3.2vw,48px);font-weight:600;line-height:1.12;letter-spacing:-.025em;max-width:28ch;margin-bottom:28px}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #dry-electrical-review .pd-tab{border:0;background:#eef3f4;min-height:66px;padding:12px 18px;font-size:19px;line-height:1.3}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #dry-electrical-review .pd-tab[aria-selected=true]{background:#102f3a;color:#fff}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #dry-electrical-review .pd-tablist{gap:8px;margin-bottom:24px}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #dry-electrical-review .pd-panel{background:#eef3f4;padding:28px 32px}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #dry-electrical-review .balanced-copy{background:#102f3a;padding:28px 32px;gap:28px}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #dry-electrical-review .balanced-copy h3{color:#fff;font-size:21px;line-height:1.35}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #dry-electrical-review .balanced-copy p{color:#c4d8dc;font-size:15px;line-height:1.75}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #dry-electrical-review table{background:#fff}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #dry-electrical-review table thead th{background:#dce8ea;color:#183c47;font-size:12px}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #dry-electrical-review table tbody :is(th,td){font-size:13px;line-height:1.55}\n\/* SEC7 applications: use the reference's original split explorer proportions. *\/\nbody.page-id-1017 #subia-oil-template.pd-exhibition #applications{padding-block:96px}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #applications h2{font-size:46px;line-height:1.12;letter-spacing:-.035em}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #applications .section-heading{grid-template-columns:minmax(0,43fr) minmax(0,57fr);gap:64px;margin-bottom:38px}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #applications .section-heading h2{position:relative;padding-top:22px}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #applications .section-heading h2::before{display:block;content:\"\";position:absolute;top:0;inset-inline-start:0;width:38px;height:4px;background:#f47216}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #applications .app-explorer.is-interactive{grid-template-columns:minmax(0,68fr) minmax(0,32fr);gap:32px 40px}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #applications .app-tab{grid-template-columns:72px minmax(0,1fr) 20px;gap:16px;padding:20px 12px;min-height:104px;font-size:17px;border-bottom-color:#b9cbce;background:#fff}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #applications .app-tab img{width:72px}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #applications .app-tab[aria-selected=true]{background:#edf3f3;color:#102f3a;border-bottom-color:#f47216}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #applications .app-panel-copy{padding:6px 12px 0;min-height:min-content;overflow:visible}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #applications .app-panel-copy h3{font-size:27px;line-height:1.2}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #applications .app-panel-copy p{font-size:15px;line-height:1.75}\n\/* SEC8 buyer questions matches the reference's 0.8 \/ 1.35 rail and disclosure spacing. *\/\nbody.page-id-1017 #subia-oil-template.pd-exhibition #site-conditions{padding-block:72px;background:#102f3a}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #site-conditions>.rail{grid-template-columns:minmax(0,.8fr) minmax(0,1.35fr);gap:80px}\nbody.page-id-1017 #subia-oil-template.pd-exhibition #site-conditions 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.wp-block-post-title{font-size:20px;padding:22px}\n body.page-id-1017 .entry-content #detail-guides-1017 .wp-block-post-excerpt{padding-inline:22px}\n}\n<\/style>\n\n\n\n<style id=\"product-rail-fix-1017\">\n\/* product-rail-fix-1017: top-level body and guide rails *\/\nbody.page-id-1017 #post-1017 .entry-content #subia-oil-template > section.oil-section > .rail,\nbody.page-id-1017 #post-1017 .entry-content #detail-guides-1017 .pd-guides-rail{width:min(calc(100% - 80px),1350px)!important;max-width:1350px!important;margin-inline:auto!important}\n@media(max-width:900px){body.page-id-1017 #post-1017 .entry-content #subia-oil-template > section.oil-section > .rail,\nbody.page-id-1017 #post-1017 .entry-content #detail-guides-1017 .pd-guides-rail{width:min(calc(100% - 48px),1350px)!important}}\n@media(max-width:600px){body.page-id-1017 #post-1017 .entry-content #subia-oil-template > section.oil-section > .rail,\nbody.page-id-1017 #post-1017 .entry-content #detail-guides-1017 .pd-guides-rail{width:min(calc(100% - 40px),1350px)!important}}\n\n\/* Match the oil template's tablet layout for applications and related guides. *\/\n@media (min-width: 1001px) and (max-width: 1200px) {\n  body.page-id-1017 #post-1017 #subia-oil-template #applications .app-explorer.is-interactive {\n    grid-template-columns: minmax(0, 63fr) minmax(0, 37fr);\n    gap: 32px;\n  }\n}\n@media (min-width: 768px) and (max-width: 1000px) {\n  body.page-id-1017 #post-1017 #subia-oil-template #applications .app-explorer.is-interactive {\n    grid-template-columns: minmax(0, 60fr) minmax(0, 40fr);\n    gap: 24px;\n  }\n  body.page-id-1017 #post-1017 #subia-oil-template #applications .app-tab {\n    grid-template-columns: 68px minmax(0, 1fr);\n    gap: 14px;\n    min-height: 102px;\n    padding: 18px 12px;\n    font-size: 16px;\n  }\n  body.page-id-1017 #post-1017 #subia-oil-template #applications .app-tab img { width: 68px; }\n  body.page-id-1017 #post-1017 #subia-oil-template #applications .app-tab > svg { display: none; }\n}\n@media (min-width: 700px) and (max-width: 767px) {\n  body.page-id-1017 #post-1017 #subia-oil-template #applications .app-tab {\n    width: 226px;\n    flex: 0 0 226px;\n    grid-template-columns: 54px minmax(0, 1fr);\n    gap: 12px;\n    min-height: 80px;\n    padding: 14px 12px;\n    font-size: 14px;\n  }\n  body.page-id-1017 #post-1017 #subia-oil-template #applications .app-tab img { width: 54px; }\n}\n@media (min-width: 700px) and (max-width: 1099px) {\n  body.page-id-1017 #post-1017 .entry-content #detail-guides-1017 .wp-block-post-template {\n    grid-template-columns: repeat(2, minmax(0, 1fr));\n    gap: 24px;\n  }\n  body.page-id-1017 #post-1017 .entry-content #detail-guides-1017 .wp-block-post-title { padding: 22px 22px 16px; }\n  body.page-id-1017 #post-1017 .entry-content #detail-guides-1017 .wp-block-post-excerpt { padding: 0 22px 22px; }\n}\n\/* Leave room for the rotated marker in the electrical-range disclosure. *\/\nbody.page-id-1017 #post-1017 #subia-oil-template #electrical-range .model-code > summary {padding-inline-end:12px}\n<\/style>\n\n\n\n<style id=\"product-style-fidelity-1017\">\n\/* Dry-type series. Match the oil reference while preserving the four model cards. *\/\nbody.page-id-1017 #subia-oil-template.pd-exhibition #series .sc-card {\n  transition: border-color .18s ease, box-shadow .18s ease;\n}\n\nbody.page-id-1017 #subia-oil-template.pd-exhibition #series .sc-grid > .sc-card:is(:hover, :focus-within) {\n  background: #f3f7f8;\n  border-color: #8eb7bc;\n  box-shadow: 0 8px 24px rgba(16, 47, 58, .07);\n}\n\nbody.page-id-1017 #subia-oil-template.pd-exhibition #series .ex-voltage {\n  font-variant-numeric: lining-nums tabular-nums;\n}\n\nbody.page-id-1017 #subia-oil-template.pd-exhibition #series .sc-card-media > .sc-art {\n  inset-block: 28px 0;\n  inset-inline: 0;\n  width: auto;\n  height: auto;\n}\n\nbody.page-id-1017 #subia-oil-template.pd-exhibition #series.sc-section .sc-card-action > .text-link {\n  line-height: 1.55;\n}\n\nbody.page-id-1017 #subia-oil-template.pd-exhibition #series.sc-section .sc-card-action > .text-link:hover {\n  background: #14757a;\n  border-color: #14757a;\n  color: #fff;\n}\n\nbody.page-id-1017 #subia-oil-template.pd-exhibition #series .sc-card-action .text-link svg {\n  transition: transform .2s ease;\n}\n\nbody.page-id-1017 #subia-oil-template.pd-exhibition #series .sc-card-action .text-link:hover svg {\n  transform: translateX(4px);\n}\n\n@media (min-width: 960px) {\n  body.page-id-1017 #subia-oil-template.pd-exhibition #series > .rail > .sc-grid:has(> .sc-card:nth-child(5)) {\n    grid-template-columns: repeat(3, minmax(0, 1fr));\n  }\n}\n\n@media (min-width: 1160px) {\n  body.page-id-1017 #subia-oil-template.pd-exhibition #series > .rail > .sc-grid[data-sc-count=\"4\"] {\n    grid-template-columns: repeat(4, minmax(0, 1fr));\n  }\n\n  @supports (grid-template-rows: subgrid) {\n    body.page-id-1017 #subia-oil-template.pd-exhibition #series > .rail > .sc-grid:has(> .sc-card:nth-child(4):last-child) {\n      row-gap: 0;\n    }\n\n    body.page-id-1017 #subia-oil-template.pd-exhibition #series > .rail > .sc-grid:has(> .sc-card:nth-child(4):last-child) > .sc-card {\n      display: grid;\n      grid-template-rows: subgrid;\n      grid-row: span 6;\n      row-gap: 0;\n    }\n  }\n}\n\n@media (min-width: 960px) and (max-width: 1100px), (min-width: 1160px) and (max-width: 1279px) {\n  body.page-id-1017 #subia-oil-template.pd-exhibition #series .sc-card:nth-child(n) { padding: 22px; }\n\n  body.page-id-1017 #subia-oil-template.pd-exhibition #series .sc-card h3 {\n    min-height: 3.9em;\n    font-size: 21px;\n  }\n}\n\n@media (min-width: 700px) and (max-width: 959px) {\n  body.page-id-1017 #subia-oil-template.pd-exhibition #series .sc-card h3 { font-size: 22px; }\n}\n\n@media (min-width: 601px) and (max-width: 900px) {\n  body.page-id-1017 #subia-oil-template.pd-exhibition #series .section-heading { gap: 35px; }\n  body.page-id-1017 #subia-oil-template.pd-exhibition #series .section-heading h2 { font-size: 32px; }\n  body.page-id-1017 #subia-oil-template.pd-exhibition #series .sc-card-media { height: 190px; }\n}\n\n@media (min-width: 601px) and (max-width: 699px) {\n  body.page-id-1017 #subia-oil-template.pd-exhibition #series { padding-block: 64px 74px; }\n  body.page-id-1017 #subia-oil-template.pd-exhibition #series > .rail { width: calc(100% - 48px); }\n  body.page-id-1017 #subia-oil-template.pd-exhibition #series .section-heading { display: grid; margin-bottom: 40px; }\n  body.page-id-1017 #subia-oil-template.pd-exhibition #series .section-heading h2 { margin-bottom: 0; }\n  body.page-id-1017 #subia-oil-template.pd-exhibition #series .section-heading p { font-size: 16px; }\n}\n\n@media (max-width: 699px) {\n  body.page-id-1017 #subia-oil-template.pd-exhibition #series .section-heading p { line-height: 1.8; }\n}\n\n@media (max-width: 600px) {\n  body.page-id-1017 #subia-oil-template.pd-exhibition #series .sc-card-media > .sc-art {\n    inset-block-start: 24px;\n    inset-inline: 10px;\n  }\n}\n\n@media (prefers-reduced-motion: reduce) {\n  body.page-id-1017 #subia-oil-template.pd-exhibition #series .sc-card,\n  body.page-id-1017 #subia-oil-template.pd-exhibition #series .sc-card-action .text-link svg {\n    transition: none;\n  }\n}\n\n\/* Same-role refinements for the dry-type page, based on the current oil template. *\/\nbody.page-id-1017 #post-1017 #subia-oil-template #electrical-range > .rail > .balanced-heading {\n  font-weight: 600;\n  margin: 0 0 16px;\n}\n\nbody.page-id-1017 #post-1017 #subia-oil-template #electrical-range .model-code > summary {\n  align-items: center;\n  column-gap: 14px;\n  padding-inline-end: 12px;\n  overflow-wrap: anywhere;\n}\n\nbody.page-id-1017 #post-1017 #subia-oil-template #electrical-range .model-code > summary > span {\n  display: grid;\n  place-items: center;\n  flex: 0 0 24px;\n  block-size: 24px;\n  line-height: 1;\n}\n\nbody.page-id-1017 #post-1017 #subia-oil-template #construction .construction-title {\n  font-size: clamp(34px, 3.1vw, 44px);\n  font-weight: 600;\n}\n\nbody.page-id-1017 #post-1017 #subia-oil-template #dry-electrical-review .action-row > .text-link[data-open-product] {\n  display: inline-flex;\n  align-items: center;\n  justify-content: center;\n  gap: 14px;\n  min-height: 46px;\n  max-width: 100%;\n  padding: 12px 18px;\n  border: 0;\n  border-radius: 0;\n  box-shadow: none;\n  background: #14757a;\n  color: #fff;\n  font-size: 14px;\n  line-height: 1.4;\n  text-align: center;\n  text-decoration: none;\n  white-space: normal;\n}\n\nbody.page-id-1017 #post-1017 #subia-oil-template #dry-electrical-review .action-row > .text-link[data-open-product]:hover {\n  background: #105c62;\n}\n\nbody.page-id-1017 #post-1017 #subia-oil-template #dry-electrical-review .action-row > .text-link[data-open-product] svg {\n  width: 18px;\n  height: 18px;\n  stroke-width: 1.5;\n}\n\nbody.page-id-1017 #post-1017 #subia-oil-template #applications {\n  background: #fff;\n}\n\nbody.page-id-1017 #post-1017 #subia-oil-template #applications .section-heading {\n  align-items: start;\n}\n\nbody.page-id-1017 #post-1017 #subia-oil-template #applications .section-heading > h2 {\n  font-size: clamp(34px, 3.3vw, 48px);\n  font-weight: 600;\n  line-height: 1.08;\n  padding-block-start: 26px;\n}\n\nbody.page-id-1017 #post-1017 #subia-oil-template #applications .app-explorer.is-interactive {\n  grid-template-columns: minmax(0, 68fr) minmax(0, 32fr);\n  gap: 32px 40px;\n}\n\nbody.page-id-1017 #post-1017 #subia-oil-template #site-conditions .pd-faq-heading > h2 {\n  font-weight: 600;\n  max-width: 13ch;\n}\n\nbody.page-id-1017 #post-1017 #detail-guides-1017 .pd-guides-heading > h2 {\n  font-weight: 600;\n  max-width: 15ch;\n}\n\n@media (min-width: 1000px) {\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design .pd-topic-heading { font-size: 48px; }\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design .pd-tab { font-size: 16px; min-height: 54px; }\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design .pd-panel { padding: 32px; }\n}\n\n@media (min-width: 1100px) {\n  \/* Four dry-type topics retain the approximate per-tab width of the oil page's three. *\/\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-electrical-review .pd-tablist { max-width: 1016px; }\n}\n\n@media (min-width: 901px) and (max-width: 1100px) {\n  body.page-id-1017 #post-1017 #subia-oil-template #construction .construction-editorial {\n    grid-template-columns: minmax(0, 46fr) minmax(0, 54fr);\n    gap: 24px 32px;\n  }\n}\n\n@media (min-width: 992px) and (max-width: 1199px) {\n  body.page-id-1017 #post-1017 #subia-oil-template #applications .app-explorer.is-interactive {\n    grid-template-columns: minmax(0, 62fr) minmax(0, 38fr);\n    gap: 28px;\n  }\n}\n\n@media (min-width: 768px) and (max-width: 991px) {\n  body.page-id-1017 #post-1017 #subia-oil-template #applications { padding-block: 72px; }\n  body.page-id-1017 #post-1017 #subia-oil-template #applications .section-heading {\n    grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);\n    gap: 36px;\n  }\n  body.page-id-1017 #post-1017 #subia-oil-template #applications .app-explorer.is-interactive {\n    grid-template-columns: repeat(2, minmax(0, 1fr));\n    gap: 24px;\n  }\n  body.page-id-1017 #post-1017 #subia-oil-template #applications .app-explorer.is-interactive .app-panel-image {\n    align-self: start;\n    min-height: 0;\n  }\n  body.page-id-1017 #post-1017 #subia-oil-template #applications .app-explorer.is-interactive .app-panel-image img {\n    display: block;\n    width: 100%;\n    height: auto;\n    min-height: 0;\n    aspect-ratio: 3 \/ 2;\n    object-fit: cover;\n  }\n  body.page-id-1017 #post-1017 #subia-oil-template #applications .app-tab {\n    grid-template-columns: 58px minmax(0, 1fr);\n    gap: 12px;\n    min-height: 92px;\n    padding: 20px 12px;\n    font-size: 15px;\n  }\n  body.page-id-1017 #post-1017 #subia-oil-template #applications .app-tab img { width: 58px; }\n  body.page-id-1017 #post-1017 #subia-oil-template #applications .app-panel-copy h3 { font-size: 24px; }\n}\n\n@media (max-width: 900px) {\n  body.page-id-1017 #post-1017 #subia-oil-template #construction .construction-title { font-size: 40px; }\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-electrical-review { padding-block: 48px; }\n}\n\n@media (max-width: 767px) {\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design .pd-topic-heading { margin-block-end: 22px; }\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design .pd-tablist { gap: 6px; margin-block-end: 18px; }\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design .pd-tab { padding: 11px 8px; min-height: 58px; font-size: 14px; }\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design .pd-panel { padding: 22px 18px; }\n  body.page-id-1017 #post-1017 #subia-oil-template #applications .section-heading > h2 { font-size: 32px; padding-block-start: 21px; }\n  body.page-id-1017 #post-1017 #subia-oil-template #applications .section-heading > h2::before { width: 34px; height: 3px; }\n  body.page-id-1017 #post-1017 #subia-oil-template #applications .app-explorer.is-interactive { gap: 24px; }\n}\n\n@media (max-width: 699px) {\n  body.page-id-1017 #post-1017 #subia-oil-template #site-conditions .pd-faq-heading > h2 { max-width: 15ch; }\n  body.page-id-1017 #post-1017 #detail-guides-1017 .pd-guides-heading > h2 { margin-block-end: 18px; }\n}\n\n@media (max-width: 600px) {\n  body.page-id-1017 #post-1017 #subia-oil-template #construction .construction-title { font-size: 32px; }\n  body.page-id-1017 #post-1017 #subia-oil-template #construction .construction-editorial { gap: 25px; }\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-electrical-review .pd-topic-heading {\n    font-size: 30px;\n    line-height: 1.18;\n    margin-block-end: 22px;\n  }\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-electrical-review .pd-tablist { gap: 6px; margin-block-end: 18px; }\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-electrical-review .pd-tab { min-height: 50px; }\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-electrical-review .action-row > .text-link[data-open-product] { width: 100%; }\n}\n\n@media (max-width: 360px) {\n  body.page-id-1017 #post-1017 #subia-oil-template #construction .construction-title { font-size: 29px; }\n}\n\n@media (max-width: 359px) {\n  body.page-id-1017 #post-1017 #subia-oil-template #applications .section-heading > h2 { font-size: 29px; }\n}\n<\/style>\n\n\n\n<style id=\"product-dark-divider-1017\">\n@media screen {\n\/* Technical divider. Dark overview, pale specification surfaces and visible tab states. *\/\n@media screen {\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design {\n    background-color: #102f3a;\n    color: #dce9ea;\n  }\n\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design > .rail > .pd-topic-heading {\n    color: #fff;\n    font-size: 40px;\n    font-weight: 600;\n    letter-spacing: -.035em;\n    line-height: 1.14;\n    text-wrap: balance;\n  }\n\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design .pd-tab {\n    background-color: #1c414a;\n    box-shadow: inset 0 0 0 1px #71969e;\n    color: #dce9ea;\n  }\n\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design .pd-tab:not([aria-selected=\"true\"]):hover {\n    background-color: #285462;\n    color: #fff;\n  }\n\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design .pd-tab[aria-selected=\"true\"] {\n    background-color: #edf3f2;\n    box-shadow: inset 0 -3px #176779;\n    color: #102f3a;\n  }\n\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design .pd-tab:focus-visible {\n    position: relative;\n    z-index: 1;\n    outline: 2px solid #f47216;\n    outline-offset: 2px;\n  }\n\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design .pd-panel {\n    background-color: #1c414a;\n    color: #dce9ea;\n  }\n\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design .pd-panel > .rail > :is(.balanced-heading, .engineering-panel-title, .pd-panel-heading),\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design .pd-panel .split-section > div > :is(h2, .pd-panel-heading),\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design .pd-panel :is(.balanced-copy, .split-section, .engineering-story) :is(h2, h3) {\n    color: #fff;\n  }\n\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design .pd-panel > .rail > :is(.balanced-heading, .engineering-panel-title, .pd-panel-heading),\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design .pd-panel .split-section > div > :is(h2, .pd-panel-heading) {\n    border-inline-start: 2px solid #91d7cb;\n    padding-inline-start: 12px;\n  }\n\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design .pd-panel :is(.balanced-copy, .split-section, .engineering-story, .table-notes) p {\n    color: #dce9ea;\n  }\n\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design .pd-panel :is(.equipment-figure, .table-wrap) {\n    background-color: #fff;\n    color: #103744;\n  }\n\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design .pd-panel .table-wrap table caption {\n    background-color: #edf3f2;\n    color: #375662;\n    padding: 12px 18px;\n    text-align: start;\n  }\n\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design .pd-panel .content-list {\n    background-color: #edf3f2;\n    color: #435f68;\n  }\n\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design .pd-panel .content-list li {\n    color: inherit;\n  }\n\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design ::selection {\n    background-color: #91d7cb;\n    color: #102f3a;\n  }\n}\n\n@media screen and (max-width: 1200px) {\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design > .rail > .pd-topic-heading { font-size: 36px; }\n}\n\n@media screen and (max-width: 700px) {\n  body.page-id-1017 #post-1017 #subia-oil-template #dry-cooling-design > .rail > .pd-topic-heading { font-size: 33px; }\n}\n}\n<\/style>\n<style id=\"product-sec2-split-1017\">\n\/* Product SEC2 split surface, scoped to one verified page and section. *\/\nbody.page-id-1017 #post-1017 #subia-oil-template #series > .rail > .series-grid {\n  display: grid;\n  grid-template-columns: repeat(2, minmax(0, 1fr));\n  gap: 24px;\n}\n\nbody.page-id-1017 #post-1017 #subia-oil-template #series > .rail > .series-grid > .series-product:nth-child(n) {\n  --split-inset: 26px;\n  display: flex;\n  flex-direction: column;\n  min-width: 0;\n  grid-row: auto;\n  grid-template: none;\n  gap: 0;\n  padding: var(--split-inset) var(--split-inset) 0;\n  border: 1px solid #d6e2e5;\n  border-radius: 0;\n  background: #fff;\n  box-shadow: none;\n  transition: border-color .18s ease, box-shadow .18s ease;\n}\n\nbody.page-id-1017 #post-1017 #subia-oil-template #series > .rail > .series-grid > .series-product:nth-child(n):is(:hover, :focus-within) {\n  border-color: #8eb7bc;\n  background: #fff;\n  box-shadow: 0 8px 24px rgba(16, 47, 58, .07);\n}\n\nbody.page-id-1017 #post-1017 #subia-oil-template #series > .rail > .series-grid > .series-product:nth-child(n) > .product-photo {\n  flex: 0 0 auto;\n  align-self: stretch;\n  width: 100%;\n  margin: 0 0 16px;\n  border: 0;\n  border-radius: 0;\n  background: #fff;\n}\n\nbody.page-id-1017 #post-1017 #subia-oil-template #series > .rail > .series-grid > .series-product:nth-child(n) > :is(.split-card-copy, .rd-series-copy, .series-copy) {\n  display: flex;\n  flex: 1;\n  flex-direction: column;\n  min-width: 0;\n  max-width: none;\n  margin: 0 calc(-1 * var(--split-inset));\n  padding: 24px var(--split-inset) 16px;\n  border-block-start: 1px solid #d6e2e5;\n  background: #f3f7f8;\n}\n\nbody.page-id-1017 #post-1017 #subia-oil-template #series > .rail > .series-grid > .series-product:nth-child(n) > :is(.split-card-copy, .rd-series-copy, .series-copy) > :is(.sc-card-heading, .sc-card-meta, .sc-card-description, .sc-card-action) {\n  display: block;\n  min-width: 0;\n  max-width: none;\n  margin: 0;\n  padding: 0;\n}\n\nbody.page-id-1017 #post-1017 #subia-oil-template #series > .rail > .series-grid > .series-product:nth-child(n) > :is(.split-card-copy, .rd-series-copy, .series-copy) h3 {\n  max-inline-size: 22ch;\n  min-block-size: 2.7em;\n  margin: 0 0 12px;\n  padding: 0;\n  color: #102f3a;\n  font-size: 24px;\n  font-weight: 600;\n  line-height: 1.35;\n  overflow-wrap: anywhere;\n  text-wrap: pretty;\n}\n\nbody.page-id-1017 #post-1017 #subia-oil-template #series > .rail > .series-grid > .series-product:nth-child(n) > :is(.split-card-copy, .rd-series-copy, .series-copy) .series-range {\n  margin: 0 0 20px;\n  padding: 0;\n  color: #14757a;\n  font-size: 13px;\n  font-weight: 500;\n  line-height: 1.6;\n  overflow-wrap: anywhere;\n}\n\nbody.page-id-1017 #post-1017 #subia-oil-template #series > .rail > .series-grid > .series-product:nth-child(n) > :is(.split-card-copy, .rd-series-copy, .series-copy) :is(.sc-card-description > p, p:not([class])) {\n  margin: 0 0 20px;\n  padding: 0;\n  color: #344951;\n  font-size: 14px;\n  line-height: 1.7;\n  overflow-wrap: anywhere;\n}\n\nbody.page-id-1017 #post-1017 #subia-oil-template #series > .rail > .series-grid > .series-product:nth-child(n) > :is(.split-card-copy, .rd-series-copy, .series-copy) > .sc-card-action {\n  margin-block-start: auto;\n}\n\nbody.page-id-1017 #post-1017 #subia-oil-template #series > .rail > .series-grid > .series-product:nth-child(n) > :is(.split-card-copy, .rd-series-copy, .series-copy) .text-link {\n  display: inline-flex;\n  align-self: flex-start;\n  align-items: center;\n  justify-content: space-between;\n  gap: 24px;\n  width: auto;\n  max-width: 100%;\n  min-height: 44px;\n  margin: auto 0 0;\n  padding: 8px 0;\n  border: 0;\n  border-block-end: 1px solid currentColor;\n  border-radius: 0;\n  box-shadow: none;\n  background: transparent;\n  color: #14757a;\n  font-size: 14px;\n  font-weight: 550;\n  line-height: 1.55;\n  text-align: start;\n  overflow-wrap: anywhere;\n  white-space: normal;\n}\n\nbody.page-id-1017 #post-1017 #subia-oil-template #series > .rail > .series-grid > .series-product:nth-child(n) > :is(.split-card-copy, .rd-series-copy, .series-copy) .text-link:hover {\n  background: transparent;\n  color: #102f3a;\n}\n\nbody.page-id-1017 #post-1017 #subia-oil-template #series > .rail > .series-grid > 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Transformer manufacturing workshop SeriesElectrical rangeConstructionCooling &amp; enclosureTechnical reviewApplicationsBuyer FAQs Dry-typetransformer series SCB cast-resin designs for 6\u201310 kV, 20 kV and 35 kV systems, alongside the SCBH amorphous-core family. 6\u201310kV 6\u201310 kV Cast-resin Transformers 30\u20134000 kVA at 10 kV \u00b7 SCB12 \/ SCB14 \/ SCB18 Three-phase cast-resin [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1093,"parent":762,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1017","page","type-page","status-publish","has-post-thumbnail","hentry"],"blocksy_meta":{"has_hero_section":"disabled","vertical_spacing_source":"custom","content_area_spacing":"none","disable_featured_image":"yes","styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":7}},"_links":{"self":[{"href":"https:\/\/subiapower.com\/es\/wp-json\/wp\/v2\/pages\/1017","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/subiapower.com\/es\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/subiapower.com\/es\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/subiapower.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/subiapower.com\/es\/wp-json\/wp\/v2\/comments?post=1017"}],"version-history":[{"count":15,"href":"https:\/\/subiapower.com\/es\/wp-json\/wp\/v2\/pages\/1017\/revisions"}],"predecessor-version":[{"id":2285,"href":"https:\/\/subiapower.com\/es\/wp-json\/wp\/v2\/pages\/1017\/revisions\/2285"}],"up":[{"embeddable":true,"href":"https:\/\/subiapower.com\/es\/wp-json\/wp\/v2\/pages\/762"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/subiapower.com\/es\/wp-json\/wp\/v2\/media\/1093"}],"wp:attachment":[{"href":"https:\/\/subiapower.com\/es\/wp-json\/wp\/v2\/media?parent=1017"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}