{"id":3251,"date":"2026-04-27T06:18:56","date_gmt":"2026-04-27T06:18:56","guid":{"rendered":"https:\/\/niunielec.com\/?post_type=product&#038;p=3251"},"modified":"2026-04-27T06:18:56","modified_gmt":"2026-04-27T06:18:56","slug":"nu-vzx-12-630-25-vcb-for-gas-insulated-switchgear","status":"publish","type":"product","link":"https:\/\/niunielec.com\/pt\/product\/nu-vzx-12-630-25-vcb-for-gas-insulated-switchgear\/","title":{"rendered":"NU-VZX-12\/630-25 Disjuntor de v\u00e1cuo integrado para aparelhagem de comuta\u00e7\u00e3o isolada a g\u00e1s de 12 kV"},"content":{"rendered":"<h2 id=\"h2-1\"><span style=\"font-size: 75%;\"><strong>VCB NU-VZX-12\/630-25 de elevada estabilidade para sistemas de comuta\u00e7\u00e3o isolados a g\u00e1s<\/strong><\/span><\/h2>\n<h3><strong><span style=\"font-size: 75%;\">Descri\u00e7\u00e3o do produto<\/span><\/strong><\/h3>\n<p>O disjuntor NU-VZX-12\/630-25 \u00e9 um componente de elevada fiabilidade concebido especificamente para arm\u00e1rios de comuta\u00e7\u00e3o isolados a g\u00e1s (GIS) de 12 kV\/630 A. Este interruptor utiliza uma estrutura integrada que combina um seccionador e um disjuntor de v\u00e1cuo, simplificando o design geral do arm\u00e1rio e garantindo, ao mesmo tempo, uma capacidade de interrup\u00e7\u00e3o de curto-circuito de 25 kA. Ao empregar tecnologia avan\u00e7ada de extin\u00e7\u00e3o de arco a v\u00e1cuo, proporciona elevada seguran\u00e7a e um desempenho mec\u00e2nico est\u00e1vel, cumprindo os rigorosos requisitos da norma GB\/T1984-2017 para a moderna distribui\u00e7\u00e3o de energia de alta tens\u00e3o.<\/p>\n<h3><strong><span style=\"font-size: 75%;\">Aplica\u00e7\u00f5es<\/span><\/strong><\/h3>\n<ul>\n<li>Interruptor de prote\u00e7\u00e3o prim\u00e1ria para quadros de distribui\u00e7\u00e3o isolados a g\u00e1s (GIS) de 12 kV em redes urbanas e industriais.<\/li>\n<li>Otimizado para unidades compactas de distribui\u00e7\u00e3o de energia que requerem isolamento integrado e interrup\u00e7\u00e3o a v\u00e1cuo.<\/li>\n<li>Adequado para subesta\u00e7\u00f5es que exigem um desempenho est\u00e1vel em condi\u00e7\u00f5es de funcionamento entre -40 \u00b0C e +40 \u00b0C.<\/li>\n<\/ul>\n<h3><span style=\"font-size: 75%;\"><strong>Condi\u00e7\u00f5es do ambiente de funcionamento<\/strong><\/span><\/h3>\n<ul>\n<li>Altitude n\u00e3o superior a 2000 m; intensidade s\u00edsmica n\u00e3o superior a 8 graus;<\/li>\n<li>N\u00edvel de polui\u00e7\u00e3o: II;<\/li>\n<li>Temperatura ambiente de funcionamento: -40 \u00b0C a +40 \u00b0C; humidade relativa: m\u00e9dia di\u00e1ria n\u00e3o superior a 90%, m\u00e9dia mensal n\u00e3o superior a 90%;<\/li>\n<li>N\u00e3o \u00e9 adequado para instala\u00e7\u00e3o em locais sujeitos a vibra\u00e7\u00f5es intensas e frequentes, nem em locais onde o vapor de \u00e1gua, os gases, os dep\u00f3sitos quimicamente corrosivos, a n\u00e9voa salina, o p\u00f3 ou a sujidade afetem significativamente o desempenho do mecanismo, nem em locais onde exista risco de inc\u00eandio ou explos\u00e3o.<\/li>\n<\/ul>\n<h3><span style=\"font-size: 75%;\"><strong>Par\u00e2metros t\u00e9cnicos<\/strong><\/span><\/h3>\n<p>Principais par\u00e2metros t\u00e9cnicos<\/p>\n<table style=\"border-collapse: collapse; width: 415.02pt;\" border=\"0\" width=\"830\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 14.75pt;\">\n<td class=\"et3\" style=\"height: 14.75pt; width: 49.50pt;\" width=\"99\" height=\"29\">N\u00e3o.<\/td>\n<td class=\"et3\" style=\"width: 225.00pt;\" width=\"450\">Item<\/td>\n<td class=\"et3\" style=\"width: 40.50pt;\" width=\"81\">Unidade<\/td>\n<td class=\"et3\" style=\"width: 100.00pt;\" width=\"200\">Valor<\/td>\n<\/tr>\n<tr style=\"height: 19.00pt;\">\n<td class=\"et4\" style=\"height: 19.00pt; width: 49.50pt;\" width=\"99\" height=\"38\">1<\/td>\n<td class=\"et4\" style=\"width: 225.00pt;\" width=\"450\">Tens\u00e3o nominal<\/td>\n<td class=\"et4\" style=\"width: 40.50pt;\" width=\"81\">kV<\/td>\n<td class=\"et4\" style=\"width: 100.00pt;\" width=\"200\">12<\/td>\n<\/tr>\n<tr style=\"height: 19.00pt;\">\n<td class=\"et4\" style=\"height: 19.00pt; width: 49.50pt;\" width=\"99\" height=\"38\">2<\/td>\n<td class=\"et4\" style=\"width: 225.00pt;\" width=\"450\">Corrente nominal<\/td>\n<td class=\"et4\" style=\"width: 40.50pt;\" width=\"81\">A<\/td>\n<td class=\"et4\" style=\"width: 100.00pt;\" width=\"200\">630<\/td>\n<\/tr>\n<tr style=\"height: 19.00pt;\">\n<td class=\"et4\" style=\"height: 19.00pt; width: 49.50pt;\" width=\"99\" height=\"38\">3<\/td>\n<td class=\"et4\" style=\"width: 225.00pt;\" width=\"450\">Corrente suport\u00e1vel de pico nominal<\/td>\n<td class=\"et4\" style=\"width: 40.50pt;\" width=\"81\">kA<\/td>\n<td class=\"et4\" style=\"width: 100.00pt;\" width=\"200\">63<\/td>\n<\/tr>\n<tr style=\"height: 19.00pt;\">\n<td class=\"et4\" style=\"height: 19.00pt; width: 49.50pt;\" width=\"99\" height=\"38\">4<\/td>\n<td class=\"et4\" style=\"width: 225.00pt;\" width=\"450\">Corrente de resist\u00eancia nominal de curta dura\u00e7\u00e3o<\/td>\n<td class=\"et4\" style=\"width: 40.50pt;\" width=\"81\">kA\/s<\/td>\n<td class=\"et6\" style=\"width: 100.00pt;\" width=\"200\">25\/4<\/td>\n<\/tr>\n<tr style=\"height: 19.00pt;\">\n<td class=\"et4\" style=\"height: 19.00pt; width: 49.50pt;\" width=\"99\" height=\"38\">5<\/td>\n<td class=\"et4\" style=\"width: 225.00pt;\" width=\"450\">Corrente nominal de interrup\u00e7\u00e3o de curto-circuito<\/td>\n<td class=\"et4\" style=\"width: 40.50pt;\" width=\"81\">kA<\/td>\n<td class=\"et4\" style=\"width: 100.00pt;\" width=\"200\">25<\/td>\n<\/tr>\n<tr style=\"height: 19.00pt;\">\n<td class=\"et4\" style=\"height: 19.00pt; width: 49.50pt;\" width=\"99\" height=\"38\">6<\/td>\n<td class=\"et4\" style=\"width: 225.00pt;\" width=\"450\">Corrente nominal de fecho de curto-circuito<\/td>\n<td class=\"et4\" style=\"width: 40.50pt;\" width=\"81\">kA<\/td>\n<td class=\"et4\" style=\"width: 100.00pt;\" width=\"200\">63<\/td>\n<\/tr>\n<tr style=\"height: 19.00pt;\">\n<td class=\"et4\" style=\"height: 19.00pt; width: 49.50pt;\" width=\"99\" height=\"38\">7<\/td>\n<td class=\"et4\" style=\"width: 225.00pt;\" width=\"450\">Frequ\u00eancia nominal<\/td>\n<td class=\"et4\" style=\"width: 40.50pt;\" width=\"81\">Hz<\/td>\n<td class=\"et4\" style=\"width: 100.00pt;\" width=\"200\">50<\/td>\n<\/tr>\n<tr style=\"height: 19.00pt;\">\n<td class=\"et4\" style=\"height: 19.00pt; width: 49.50pt;\" width=\"99\" height=\"38\">8<\/td>\n<td class=\"et4\" style=\"width: 225.00pt;\" width=\"450\">Sequ\u00eancia nominal de funcionamento<\/td>\n<td class=\"et4\" style=\"width: 40.50pt;\" width=\"81\">&#8211;<\/td>\n<td class=\"et4\" style=\"width: 100.00pt;\" width=\"200\">0-0,3 s-180 s-co<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Par\u00e2metros mec\u00e2nicos<\/p>\n<table style=\"border-collapse: collapse; width: 430.02pt;\" border=\"0\" width=\"860\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 14.75pt;\">\n<td class=\"et3\" style=\"height: 14.75pt; width: 49.50pt;\" width=\"99\" height=\"29\">N\u00e3o.<\/td>\n<td class=\"et3\" style=\"width: 241.50pt;\" width=\"483\">Item<\/td>\n<td class=\"et3\" style=\"width: 36.00pt;\" width=\"72\">Unidade<\/td>\n<td class=\"et3\" style=\"width: 103.00pt;\" width=\"206\">Valor<\/td>\n<\/tr>\n<tr style=\"height: 19.00pt;\">\n<td class=\"et4\" style=\"height: 19.00pt; width: 49.50pt;\" width=\"99\" height=\"38\">1<\/td>\n<td class=\"et4\" style=\"width: 241.50pt;\" width=\"483\">Resist\u00eancia do circuito principal do disjuntor<\/td>\n<td class=\"et4\" style=\"width: 36.00pt;\" width=\"72\">\u00b5\u03a9<\/td>\n<td class=\"et4\" style=\"width: 103.00pt;\" width=\"206\">\u2264 30<\/td>\n<\/tr>\n<tr style=\"height: 19.00pt;\">\n<td class=\"et4\" style=\"height: 19.00pt; width: 49.50pt;\" width=\"99\" height=\"38\">2<\/td>\n<td class=\"et4\" style=\"width: 241.50pt;\" width=\"483\">Viagens<\/td>\n<td class=\"et4\" style=\"width: 36.00pt;\" width=\"72\">mm<\/td>\n<td class=\"et6\" style=\"width: 103.00pt;\" width=\"206\">2-3<\/td>\n<\/tr>\n<tr style=\"height: 19.00pt;\">\n<td class=\"et4\" style=\"height: 19.00pt; width: 49.50pt;\" width=\"99\" height=\"38\">3<\/td>\n<td class=\"et4\" style=\"width: 241.50pt;\" width=\"483\">Lan\u00e7amento inicial<\/td>\n<td class=\"et4\" style=\"width: 36.00pt;\" width=\"72\">mm<\/td>\n<td class=\"et6\" style=\"width: 103.00pt;\" width=\"206\">8-10<\/td>\n<\/tr>\n<tr style=\"height: 19.00pt;\">\n<td class=\"et4\" style=\"height: 19.00pt; width: 49.50pt;\" width=\"99\" height=\"38\">4<\/td>\n<td class=\"et4\" style=\"width: 241.50pt;\" width=\"483\">Salto<\/td>\n<td class=\"et4\" style=\"width: 36.00pt;\" width=\"72\">ms<\/td>\n<td class=\"et4\" style=\"width: 103.00pt;\" width=\"206\">\u2264 2<\/td>\n<\/tr>\n<tr style=\"height: 19.00pt;\">\n<td class=\"et4\" style=\"height: 19.00pt; width: 49.50pt;\" width=\"99\" height=\"38\">5<\/td>\n<td class=\"et4\" style=\"width: 241.50pt;\" width=\"483\">Velocidade m\u00e9dia na abertura<\/td>\n<td class=\"et4\" style=\"width: 36.00pt;\" width=\"72\">m\/s<\/td>\n<td class=\"et4\" style=\"width: 103.00pt;\" width=\"206\">0.6-1.4<\/td>\n<\/tr>\n<tr style=\"height: 19.00pt;\">\n<td class=\"et4\" style=\"height: 19.00pt; width: 49.50pt;\" width=\"99\" height=\"38\">6<\/td>\n<td class=\"et4\" style=\"width: 241.50pt;\" width=\"483\">Velocidade m\u00e9dia de fecho<\/td>\n<td class=\"et4\" style=\"width: 36.00pt;\" width=\"72\">m\/s<\/td>\n<td class=\"et4\" style=\"width: 103.00pt;\" width=\"206\">0.4-1.1<\/td>\n<\/tr>\n<tr style=\"height: 19.00pt;\">\n<td class=\"et4\" style=\"height: 19.00pt; width: 49.50pt;\" width=\"99\" height=\"38\">7<\/td>\n<td class=\"et4\" style=\"width: 241.50pt;\" width=\"483\">Ass\u00edncronia trif\u00e1sica de abertura<\/td>\n<td class=\"et4\" style=\"width: 36.00pt;\" width=\"72\">ms<\/td>\n<td class=\"et4\" style=\"width: 103.00pt;\" width=\"206\">\u2264 2<\/td>\n<\/tr>\n<tr style=\"height: 19.00pt;\">\n<td class=\"et4\" style=\"height: 19.00pt; width: 49.50pt;\" width=\"99\" height=\"38\">8<\/td>\n<td class=\"et4\" style=\"width: 241.50pt;\" width=\"483\">Ass\u00edncronia trif\u00e1sica de fecho<\/td>\n<td class=\"et4\" style=\"width: 36.00pt;\" width=\"72\">ms<\/td>\n<td class=\"et4\" style=\"width: 103.00pt;\" width=\"206\">\u2264 2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span style=\"font-size: 75%;\"><strong>Desenho<\/strong><\/span><\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-3255\" src=\"https:\/\/niunielec.com\/wp-content\/uploads\/2026\/04\/nu-vzx-12-630-25-gis-switch-structure-drawing-768x499.webp\" alt=\"nu vzx 12\/630 25 - disjuntor de v\u00e1cuo integrado para aparelhagem de comuta\u00e7\u00e3o isolada a g\u00e1s de 12 kV\" width=\"768\" height=\"499\" srcset=\"https:\/\/niunielec.com\/wp-content\/uploads\/2026\/04\/nu-vzx-12-630-25-gis-switch-structure-drawing-768x499.webp 768w, https:\/\/niunielec.com\/wp-content\/uploads\/2026\/04\/nu-vzx-12-630-25-gis-switch-structure-drawing-1024x665.webp 1024w, https:\/\/niunielec.com\/wp-content\/uploads\/2026\/04\/nu-vzx-12-630-25-gis-switch-structure-drawing-440x286.webp 440w, https:\/\/niunielec.com\/wp-content\/uploads\/2026\/04\/nu-vzx-12-630-25-gis-switch-structure-drawing-600x390.webp 600w, https:\/\/niunielec.com\/wp-content\/uploads\/2026\/04\/nu-vzx-12-630-25-gis-switch-structure-drawing.webp 1096w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/p>\n<h3><strong><span style=\"font-size: 75%;\">Perguntas frequentes sobre componentes de aparelhagem de comuta\u00e7\u00e3o isolada a g\u00e1s<\/span><\/strong><\/h3>\n<ul>\n<li>P: Por que raz\u00e3o a estrutura integrada \u00e9 mais adequada para os arm\u00e1rios SIG?<\/li>\n<\/ul>\n<p>R: Reduz a pegada global e simplifica o mecanismo de articula\u00e7\u00e3o, o que \u00e9 fundamental para o ambiente pressurizado e compacto de um quadro de distribui\u00e7\u00e3o isolado a g\u00e1s.<\/p>\n<ul>\n<li>P: Este VCB de 12 kV requer manuten\u00e7\u00e3o regular?<\/li>\n<\/ul>\n<p>R: O interruptor de v\u00e1cuo n\u00e3o requer manuten\u00e7\u00e3o ao longo da sua vida \u00fatil el\u00e9trica, proporcionando uma solu\u00e7\u00e3o altamente fi\u00e1vel para ambientes GIS selados.<\/p>\n<ul>\n<li>P: Posso utilizar isto em arm\u00e1rios de g\u00e1s ecol\u00f3gicos (sem SF6)?<\/li>\n<\/ul>\n<p>R: Sim. Se estiver a construir especificamente um sistema ecol\u00f3gico de 12 kV, pode tamb\u00e9m avaliar o nosso disjuntor NU-GFV-12-630-20.<\/p>\n<p><strong><a href=\"https:\/\/niunielec.com\/pt\/contact-us\/\">Informe-se agora<\/a> para receber o cat\u00e1logo t\u00e9cnico do NU-VZX-12\/630-25 ou para discutir os requisitos do seu projeto SIG.<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<ul>\n<li>Compat\u00edvel com GIS: Otimizado para arm\u00e1rios de comuta\u00e7\u00e3o isolados a g\u00e1s de 12 kV.<\/li>\n<li>Conce\u00e7\u00e3o integrada: interruptor de desconex\u00e3o e disjuntor de v\u00e1cuo 2 em 1.<\/li>\n<li>Alto desempenho: Testado para uma capacidade de interrup\u00e7\u00e3o de curto-circuito de 25 kA.<\/li>\n<\/ul>","protected":false},"featured_media":3254,"comment_status":"open","ping_status":"closed","template":"","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"NU-VZX-12\/630-25 VCB | Gas-Insulated Switchgear Circuit Breaker","_seopress_titles_desc":"High-performance NU-VZX-12\/630-25 Vacuum Circuit Breaker designed for 12kV\/630A gas-insulated switchgear. Integrated disconnect switch ensures reliability in GIS applications.","_seopress_robots_index":""},"product_brand":[],"product_cat":[26,61],"product_tag":[273,268,278,277,276],"class_list":["post-3251","product","type-product","status-publish","has-post-thumbnail","product_cat-gas-insulated-switchgear-components","product_cat-circuit-bearker","product_tag-12kv-vcb","product_tag-gas-insulated-switchgear","product_tag-gis-switch","product_tag-integrated-circuit-breaker","product_tag-nu-vzx-12-630-25","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/niunielec.com\/pt\/wp-json\/wp\/v2\/product\/3251","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=3251"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/niunielec.com\/pt\/wp-json\/wp\/v2\/media\/3254"}],"wp:attachment":[{"href":"https:\/\/niunielec.com\/pt\/wp-json\/wp\/v2\/media?parent=3251"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/niunielec.com\/pt\/wp-json\/wp\/v2\/product_brand?post=3251"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/niunielec.com\/pt\/wp-json\/wp\/v2\/product_cat?post=3251"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/niunielec.com\/pt\/wp-json\/wp\/v2\/product_tag?post=3251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}