{"id":3239,"date":"2026-04-27T05:18:02","date_gmt":"2026-04-27T05:18:02","guid":{"rendered":"https:\/\/niunielec.com\/?post_type=product&#038;p=3239"},"modified":"2026-04-27T05:18:02","modified_gmt":"2026-04-27T05:18:02","slug":"nu-gfpt-12-630-environmentally-friendly-pt-switch","status":"publish","type":"product","link":"https:\/\/niunielec.com\/pt\/product\/nu-gfpt-12-630-environmentally-friendly-pt-switch\/","title":{"rendered":"NU-GFPT-12-630 Interruptor PT semi-fechado para GIS ecol\u00f3gico"},"content":{"rendered":"<h2 id=\"h2-1\"><span style=\"font-size: 75%;\"><strong>Interruptor PT NU-GFPT-12-630 de alto desempenho para GIS ecol\u00f3gico de 12 kV<\/strong><\/span><\/h2>\n<h3><strong><span style=\"font-size: 75%;\">Descri\u00e7\u00e3o do produto<\/span><\/strong><\/h3>\n<p>O comutador PT NU-GFPT-12-630 \u00e9 uma solu\u00e7\u00e3o especializada concebida para arm\u00e1rios PT isolados a g\u00e1s, ecol\u00f3gicos, de 12 kV\/630 A. Desempenha fun\u00e7\u00f5es cr\u00edticas ao gerir as correntes nominais e de carga do circuito principal, ao mesmo tempo que proporciona capacidades essenciais de isolamento e fecho. Este interruptor \u00e9 vital para fornecer energia de controlo, permitir a medi\u00e7\u00e3o precisa da tens\u00e3o e suportar circuitos de tens\u00e3o para instrumenta\u00e7\u00e3o, tudo isto num design compacto e fi\u00e1vel que cumpre as normas GB3804-2017 e GB3906-2020.<\/p>\n<h3><span style=\"font-size: 75%;\"><strong>Aplica\u00e7\u00f5es<\/strong><\/span><\/h3>\n<p>Utiliza\u00e7\u00e3o principal em arm\u00e1rios de transformadores de pot\u00eancia (PT) de 12 kV, isolados a g\u00e1s e ecol\u00f3gicos, para redes el\u00e9tricas urbanas.<\/p>\n<p>Fornece medi\u00e7\u00e3o de tens\u00e3o e alimenta\u00e7\u00e3o de controlo para instrumentos de medi\u00e7\u00e3o e rel\u00e9s de prote\u00e7\u00e3o.<\/p>\n<p>Adequado para subesta\u00e7\u00f5es que exigem um isolamento de alta fiabilidade num espa\u00e7o reduzido.<\/p>\n<h3><strong><span style=\"font-size: 75%;\">Par\u00e2metros t\u00e9cnicos<\/span><\/strong><\/h3>\n<table width=\"1131\">\n<tbody>\n<tr>\n<td width=\"51\">&nbsp;<\/p>\n<p>N\u00e3o.<\/td>\n<td width=\"565\">Item<\/td>\n<td width=\"75\">Unidade<\/td>\n<td width=\"135\">Par\u00e2metros<\/td>\n<td width=\"305\">Observa\u00e7\u00e3o<\/td>\n<\/tr>\n<tr>\n<td width=\"51\">1<\/td>\n<td width=\"565\">Tens\u00e3o nominal<\/td>\n<td width=\"75\">kV<\/td>\n<td width=\"135\">12<\/td>\n<td width=\"305\"><\/td>\n<\/tr>\n<tr>\n<td width=\"51\">2<\/td>\n<td width=\"565\">Corrente nominal<\/td>\n<td width=\"75\">A<\/td>\n<td width=\"135\">630<\/td>\n<td width=\"305\"><\/td>\n<\/tr>\n<tr>\n<td width=\"51\">3<\/td>\n<td width=\"565\">Corrente de resist\u00eancia nominal de curta dura\u00e7\u00e3o<\/td>\n<td width=\"75\">kA\/S<\/td>\n<td width=\"135\">20\/4\u00a0 25\/4<\/td>\n<td width=\"305\"><\/td>\n<\/tr>\n<tr>\n<td width=\"51\">4<\/td>\n<td width=\"565\">Corrente suport\u00e1vel de pico nominal<\/td>\n<td width=\"75\">kA<\/td>\n<td width=\"135\">50\/63<\/td>\n<td width=\"305\"><\/td>\n<\/tr>\n<tr>\n<td width=\"51\">5<\/td>\n<td width=\"565\">Corrente nominal de fecho de curto-circuito<\/td>\n<td width=\"75\">kA<\/td>\n<td width=\"135\">50\/63<\/td>\n<td width=\"305\"><\/td>\n<\/tr>\n<tr>\n<td width=\"51\">6<\/td>\n<td width=\"565\">Tempos de fecho em caso de curto-circuito<\/td>\n<td width=\"75\">hora<\/td>\n<td width=\"135\">30<\/td>\n<td width=\"305\"><\/td>\n<\/tr>\n<tr>\n<td width=\"51\">7<\/td>\n<td width=\"565\">Tens\u00e3o de resist\u00eancia \u00e0 frequ\u00eancia da rede: terra\/fase a fase<\/td>\n<td width=\"75\">kV<\/td>\n<td width=\"135\">42<\/td>\n<td width=\"305\">Em ar seco ou N\u2082 Em ar seco ou N\u2082<\/td>\n<\/tr>\n<tr>\n<td width=\"51\">8<\/td>\n<td width=\"565\">Tens\u00e3o de resist\u00eancia \u00e0 frequ\u00eancia da rede el\u00e9trica: ruptura<\/td>\n<td width=\"75\">kV<\/td>\n<td width=\"135\">48<\/td>\n<td width=\"305\">Em ar seco ou N\u2082 Em ar seco ou N\u2082<\/td>\n<\/tr>\n<tr>\n<td width=\"51\">9<\/td>\n<td width=\"565\">Impulso de raio: terra\/fase a fase<\/td>\n<td width=\"75\">kV<\/td>\n<td width=\"135\">75<\/td>\n<td width=\"305\">Em ar seco ou N\u2082 Em ar seco ou N\u2082<\/td>\n<\/tr>\n<tr>\n<td width=\"51\">10<\/td>\n<td width=\"565\">Impulso el\u00e9trico: fratura<\/td>\n<td width=\"75\">kV<\/td>\n<td width=\"135\">85<\/td>\n<td width=\"305\">Em ar seco ou N\u2082 Em ar seco ou N\u2082<\/td>\n<\/tr>\n<tr>\n<td width=\"51\">11<\/td>\n<td width=\"565\">Resist\u00eancia do circuito principal<\/td>\n<td width=\"75\">u\u03a9<\/td>\n<td width=\"135\">\u2264 30<\/td>\n<td width=\"305\"><\/td>\n<\/tr>\n<tr>\n<td width=\"51\">12<\/td>\n<td width=\"565\">Vida mec\u00e2nica<\/td>\n<td width=\"75\">hora<\/td>\n<td width=\"135\">5000<\/td>\n<td width=\"305\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><strong><span style=\"font-size: 75%;\">Desenho<\/span><\/strong><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-3242\" src=\"https:\/\/niunielec.com\/wp-content\/uploads\/2026\/04\/nu-gfpt-12-630-pt-switch-dimensional-blueprint-694x768.webp\" alt=\"Interruptor de pot\u00eancia semi-fechado nu gfpt 12 630 para GIS ecol\u00f3gicos\" width=\"694\" height=\"768\" srcset=\"https:\/\/niunielec.com\/wp-content\/uploads\/2026\/04\/nu-gfpt-12-630-pt-switch-dimensional-blueprint-694x768.webp 694w, https:\/\/niunielec.com\/wp-content\/uploads\/2026\/04\/nu-gfpt-12-630-pt-switch-dimensional-blueprint-397x440.webp 397w, https:\/\/niunielec.com\/wp-content\/uploads\/2026\/04\/nu-gfpt-12-630-pt-switch-dimensional-blueprint-768x850.webp 768w, https:\/\/niunielec.com\/wp-content\/uploads\/2026\/04\/nu-gfpt-12-630-pt-switch-dimensional-blueprint-600x664.webp 600w, https:\/\/niunielec.com\/wp-content\/uploads\/2026\/04\/nu-gfpt-12-630-pt-switch-dimensional-blueprint.webp 838w\" sizes=\"auto, (max-width: 694px) 100vw, 694px\" \/><\/p>\n<h3><strong><span style=\"font-size: 75%;\">Perguntas frequentes sobre interruptores PT ecol\u00f3gicos<\/span><\/strong><\/h3>\n<ul>\n<li>P: Este PT Switch \u00e9 adequado para climas extremamente frios?<\/li>\n<\/ul>\n<p>R: Sim. Verificou-se que o NU-GFPT-12-630 funciona de forma fi\u00e1vel em temperaturas ambientes t\u00e3o baixas quanto -40 \u00b0C, tornando-o ideal para instala\u00e7\u00f5es na rede el\u00e9trica do norte.<\/p>\n<ul>\n<li>P: Este interruptor de transformador de potencial cumpre as normas internacionais de seguran\u00e7a?<\/li>\n<\/ul>\n<p>R: Cumpre integralmente os requisitos t\u00e9cnicos das normas GB3804-2017 e GB3906-2020, garantindo um desempenho mec\u00e2nico e de seguran\u00e7a em conformidade com as normas.<\/p>\n<ul>\n<li>P: Pode ser instalado em zonas de grande altitude?<\/li>\n<\/ul>\n<p>R: O modelo padr\u00e3o suporta altitudes at\u00e9 2000 m. Para requisitos superiores, consulte a nossa equipa t\u00e9cnica para obter uma solu\u00e7\u00e3o personalizada.<\/p>\n<p><span style=\"font-size: 105%;\"><strong><a href=\"https:\/\/niunielec.com\/pt\/contact-us\/\">Contacte-nos<\/a> Contacte-nos hoje mesmo para esclarecer d\u00favidas t\u00e9cnicas sobre o NU-GFPT-12-630 ou para obter uma solu\u00e7\u00e3o personalizada de arm\u00e1rio de PT.<\/strong><\/span><\/p>","protected":false},"excerpt":{"rendered":"<ul>\n<li>Ecol\u00f3gico: Concebido para arm\u00e1rios PT isolados a g\u00e1s e ecol\u00f3gicos.<\/li>\n<li>Controlo de precis\u00e3o: medi\u00e7\u00e3o fi\u00e1vel da tens\u00e3o e fonte de alimenta\u00e7\u00e3o de controlo.<\/li>\n<li>Design compacto: ideal para instala\u00e7\u00f5es de quadros el\u00e9tricos modernas com espa\u00e7o limitado.<\/li>\n<\/ul>","protected":false},"featured_media":3243,"comment_status":"open","ping_status":"closed","template":"","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"NU-GFPT-12-630 PT Switch | 12kV 630A Gas-Insulated Switchgear","_seopress_titles_desc":"The NU-GFPT-12-630 PT Switch is designed for 12kV environmentally friendly gas-insulated cabinets. High stability voltage measurement and isolation for eco-friendly GIS systems.","_seopress_robots_index":""},"product_brand":[],"product_cat":[26,61],"product_tag":[269,268,266,270,267],"class_list":{"0":"post-3239","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-gas-insulated-switchgear-components","7":"product_cat-circuit-bearker","8":"product_tag-12kv-switchgear-component","9":"product_tag-gas-insulated-switchgear","10":"product_tag-nu-gfpt-12-630","11":"product_tag-potential-transformer-switch","12":"product_tag-pt-switch","14":"first","15":"instock","16":"shipping-taxable","17":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/niunielec.com\/pt\/wp-json\/wp\/v2\/product\/3239","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/niunielec.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/niunielec.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/niunielec.com\/pt\/wp-json\/wp\/v2\/comments?post=3239"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/niunielec.com\/pt\/wp-json\/wp\/v2\/media\/3243"}],"wp:attachment":[{"href":"https:\/\/niunielec.com\/pt\/wp-json\/wp\/v2\/media?parent=3239"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/niunielec.com\/pt\/wp-json\/wp\/v2\/product_brand?post=3239"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/niunielec.com\/pt\/wp-json\/wp\/v2\/product_cat?post=3239"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/niunielec.com\/pt\/wp-json\/wp\/v2\/product_tag?post=3239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}