{"id":2264,"date":"2026-06-12T07:39:54","date_gmt":"2026-06-12T07:39:54","guid":{"rendered":"https:\/\/wg68uu1yy0.wpdns.site\/?post_type=product&#038;p=2264"},"modified":"2026-07-23T02:17:06","modified_gmt":"2026-07-23T02:17:06","slug":"etzm-high-voltage-molded-case-circuit-breaker","status":"publish","type":"product","link":"https:\/\/cnsuton.com\/pt\/produto\/etzm-high-voltage-molded-case-circuit-breaker\/","title":{"rendered":"Disjuntor em Caixa Moldada de Alta Tens\u00e3o ETZM"},"content":{"rendered":"<h2>\u00c2mbito de Aplica\u00e7\u00e3o<\/h2>\n<p>O Disjuntor em Caixa Moldada de Alta Tens\u00e3o da S\u00e9rie ETEM (doravante designado por Disjuntor) \u00e9 adequado para circuitos de redes de distribui\u00e7\u00e3o com CA de 50 Hz, tens\u00e3o de isolamento nominal de 1140 V, tens\u00e3o de funcionamento nominal de 1140 V e corrente de funcionamento nominal de 6 A a 800 A. \u00c9 utilizado para distribuir eletricidade e proteger circuitos e equipamentos de energia contra sobrecarga, curto-circuito, subtens\u00e3o e outras avarias. Tamb\u00e9m pode proteger motores contra arranque pouco frequente, sobrecarga, curto-circuito e subtens\u00e3o. Este Disjuntor apresenta, entre outras caracter\u00edsticas, tamanho reduzido, alta capacidade de corte e arco voltaico curto, tornando-o num produto ideal para os utilizadores. O Disjuntor pode ser instalado na vertical (ou seja, instala\u00e7\u00e3o vertical) ou na horizontal (instala\u00e7\u00e3o horizontal). O m\u00e9todo de cablagem \u00e9 opcional, podendo ser utilizado com liga\u00e7\u00e3o frontal, liga\u00e7\u00e3o posterior ou liga\u00e7\u00e3o por encaixe.<\/p>\n<h2>Ambiente de trabalho<\/h2>\n<ul>\n<li>O valor limite superior da temperatura do ar ambiente n\u00e3o deve exceder +40 \u00b0C, e o seu valor limite inferior n\u00e3o deve ser inferior a -5 \u00b0C;<\/li>\n<li>N\u00edvel de polui\u00e7\u00e3o: 3;<\/li>\n<li>\u00cdndice de prote\u00e7\u00e3o: IP20;<\/li>\n<li>A altitude do local de instala\u00e7\u00e3o n\u00e3o deve exceder 2.000 m;<\/li>\n<li>A humidade relativa (HR) da atmosfera n\u00e3o deve exceder 50% \u00e0 temperatura ambiente m\u00e1xima de +40 \u00b0C. A temperaturas mais baixas, pode haver uma humidade relativa mais elevada, como, por exemplo, 90% a 20 \u00b0C. Devem ser tomadas as medidas necess\u00e1rias tendo em conta a condensa\u00e7\u00e3o que ocorre no produto devido \u00e0s varia\u00e7\u00f5es de temperatura.<\/li>\n<\/ul>\n<h2>Par\u00e2metros T\u00e9cnicos El\u00e9tricos<\/h2>\n<p>Par\u00e2metros B\u00e1sicos do Tipo Termomagn\u00e9tico \/ Corrente de Fuga<\/p>\n<table>\n<tbody>\n<tr>\n<td colspan=\"2\" width=\"144\">Modelo<\/td>\n<td colspan=\"2\" width=\"144\">ETZM-250<\/td>\n<td colspan=\"2\" width=\"144\">ETZM-320<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Corrente nominal da caixa (A)<\/td>\n<td colspan=\"2\">250<\/td>\n<td colspan=\"2\">320<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Corrente Nominal In(A)<\/td>\n<td colspan=\"2\" width=\"144\">63, 100, 125, 160<br \/>\n180, 200, 225, 250<\/td>\n<td colspan=\"2\">250, 315, 320<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">N\u00famero de polos<\/td>\n<td colspan=\"4\">3<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Tens\u00e3o de isolamento nominal Ui (V)<\/td>\n<td colspan=\"4\">AC1150<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Tens\u00e3o Nominal de Servi\u00e7o Ue (V)<\/td>\n<td>CA 800V<\/td>\n<td>AC1140V<\/td>\n<td>CA 800V<\/td>\n<td>AC1140V<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Tens\u00e3o nominal de resgate a impulsos Uimp (V)<\/td>\n<td colspan=\"2\">8000<\/td>\n<td colspan=\"2\">8000<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Dist\u00e2ncia de contorno (mm)<\/td>\n<td colspan=\"2\">0<\/td>\n<td colspan=\"2\">0<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\" width=\"72\">Limitar Curto-Circuito<br \/>\nPoder de corte<br \/>\nlcu (kA)<\/td>\n<td>M<\/td>\n<td>36.5<\/td>\n<td>15<\/td>\n<td>36.5<\/td>\n<td>15<\/td>\n<\/tr>\n<tr>\n<td>H<\/td>\n<td>50<\/td>\n<td>15<\/td>\n<td>50<\/td>\n<td>15<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\" width=\"72\">Curto-circuito de funcionamento<br \/>\n\u00daltima hora<br \/>\nCapacidade lcs (kA)<\/td>\n<td>M<\/td>\n<td>36.5<\/td>\n<td>15<\/td>\n<td>36.5<\/td>\n<td>15<\/td>\n<\/tr>\n<tr>\n<td>H<\/td>\n<td>50<\/td>\n<td>15<\/td>\n<td>50<\/td>\n<td>15<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Corrente diferencial de funcionamento I\u25b3n (mA)<\/td>\n<td>\u2014<\/td>\n<td>\u2014<\/td>\n<td>\u2014<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Corrente diferencial de n\u00e3o-funcionamento I\u25b3n (mA)<\/td>\n<td>\u2014<\/td>\n<td>\u2014<\/td>\n<td>\u2014<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\" width=\"72\">Mec\u00e2nica<br \/>\nVida El\u00e9trica<br \/>\nOpera\u00e7\u00f5es<\/td>\n<td>Ligar<\/td>\n<td colspan=\"4\">10000<\/td>\n<\/tr>\n<tr>\n<td>Poder de<\/td>\n<td colspan=\"4\">10000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table>\n<tbody>\n<tr>\n<td colspan=\"3\" width=\"216\">ETZM-400<\/td>\n<td colspan=\"2\" width=\"144\">ETZM-630<\/td>\n<td colspan=\"2\" width=\"144\">ETZM-800<\/td>\n<\/tr>\n<tr>\n<td colspan=\"3\">400<\/td>\n<td colspan=\"2\">630<\/td>\n<td colspan=\"2\">800<\/td>\n<\/tr>\n<tr>\n<td colspan=\"3\">315, 320, 350, 400<\/td>\n<td colspan=\"2\">400, 500, 630<\/td>\n<td colspan=\"2\">400, 500, 630, 800<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>CA 800V<\/td>\n<td colspan=\"2\">AC1140V<\/td>\n<td>CA 800V<\/td>\n<td>AC1140V<\/td>\n<td>CA 800V<\/td>\n<td>AC1140V<\/td>\n<\/tr>\n<tr>\n<td colspan=\"3\">12000<\/td>\n<td colspan=\"2\">12000<\/td>\n<td colspan=\"2\">12000<\/td>\n<\/tr>\n<tr>\n<td colspan=\"3\">0<\/td>\n<td colspan=\"2\">0<\/td>\n<td colspan=\"2\">0<\/td>\n<\/tr>\n<tr>\n<td>H<\/td>\n<td>36.5<\/td>\n<td>10<\/td>\n<td>36.5<\/td>\n<td>10<\/td>\n<td>36.5<\/td>\n<td>10<\/td>\n<\/tr>\n<tr>\n<td>R<\/td>\n<td>50<\/td>\n<td>15<\/td>\n<td>50<\/td>\n<td>15<\/td>\n<td>50<\/td>\n<td>15<\/td>\n<\/tr>\n<tr>\n<td>H<\/td>\n<td>36.5<\/td>\n<td>10<\/td>\n<td>36.5<\/td>\n<td>10<\/td>\n<td>36.5<\/td>\n<td>10<\/td>\n<\/tr>\n<tr>\n<td>R<\/td>\n<td>50<\/td>\n<td>15<\/td>\n<td>50<\/td>\n<td>15<\/td>\n<td>50<\/td>\n<td>15<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">\u2014<\/td>\n<td>\u2014<\/td>\n<td>\u2014<\/td>\n<td>\u2014<\/td>\n<td>\u2014<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">\u2014<\/td>\n<td>\u2014<\/td>\n<td>\u2014<\/td>\n<td>\u2014<\/td>\n<td>\u2014<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td colspan=\"7\">10000<\/td>\n<\/tr>\n<tr>\n<td colspan=\"7\">10000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Tipo de anexo<\/h3>\n<table>\n<tbody>\n<tr>\n<td width=\"281\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Nome do Anexo<br \/>\nC\u00f3digo de Anexo<\/td>\n<td width=\"72\">Sem anexos<\/td>\n<td width=\"72\">Contacto de alarme<\/td>\n<td width=\"72\">Bobina de disparo por emiss\u00e3o de corrente<\/td>\n<td width=\"72\">Contacto auxiliar<\/td>\n<td width=\"72\">Disparador de m\u00ednima tens\u00e3o<\/td>\n<td width=\"72\">Contacto Auxiliar de Bobina de Disparo<\/td>\n<td width=\"72\">Contacto de disparador de abertura do disparador de abertura<\/td>\n<td width=\"72\">Dois conjuntos de contactos auxiliares<\/td>\n<\/tr>\n<tr>\n<td>Disparador eletromagn\u00e9tico<\/td>\n<td>200<\/td>\n<td>208<\/td>\n<td>210<\/td>\n<td>220<\/td>\n<td>230<\/td>\n<td>240<\/td>\n<td>250<\/td>\n<td>260<\/td>\n<\/tr>\n<tr>\n<td>Duplex Tripper<\/td>\n<td>300<\/td>\n<td>308<\/td>\n<td>310<\/td>\n<td>320<\/td>\n<td>330<\/td>\n<td>340<\/td>\n<td>350<\/td>\n<td>360<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table>\n<tbody>\n<tr>\n<td width=\"281\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Nome do Anexo<br \/>\nC\u00f3digo de Anexo<\/td>\n<td width=\"72\">Sem anexos<\/td>\n<td width=\"72\">Contacto de alarme<\/td>\n<td width=\"72\">Bobina de disparo por emiss\u00e3o de corrente<\/td>\n<td width=\"72\">Contacto auxiliar<\/td>\n<td width=\"72\">Disparador de m\u00ednima tens\u00e3o<\/td>\n<td width=\"72\">Contacto Auxiliar de Bobina de Disparo<\/td>\n<td width=\"72\">Contacto de disparador de abertura do disparador de abertura<\/td>\n<td width=\"72\">Dois conjuntos de contactos auxiliares<\/td>\n<\/tr>\n<tr>\n<td>Disparador eletromagn\u00e9tico<\/td>\n<td>370<\/td>\n<td>218<\/td>\n<td>228<\/td>\n<td>238<\/td>\n<td>248<\/td>\n<td>240<\/td>\n<td>268<\/td>\n<td>278<\/td>\n<\/tr>\n<tr>\n<td>Duplex Tripper<\/td>\n<td>270<\/td>\n<td>218<\/td>\n<td>228<\/td>\n<td>238<\/td>\n<td>248<\/td>\n<td>340<\/td>\n<td>268<\/td>\n<td>278<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Scope of Application The ETEM Series High Voltage Molded Case Circuit Breaker (hereinafter referred to as the Circuit Breaker) is suitable for distribution network circuits with AC 50Hz, rated insulation voltage 1140V, rated working volatge 1140V, and rated working current from6A to 800A. It&#8217; s used to distribute electricity and protect circuits and power equipmentfrom [&hellip;]<\/p>\n","protected":false},"featured_media":2303,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_gspb_post_css":""},"product_brand":[],"product_cat":[24],"product_tag":[],"class_list":["post-2264","product","type-product","status-publish","has-post-thumbnail","product_cat-pv-systems","first","instock","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/cnsuton.com\/pt\/wp-json\/wp\/v2\/product\/2264","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnsuton.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/cnsuton.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/cnsuton.com\/pt\/wp-json\/wp\/v2\/comments?post=2264"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cnsuton.com\/pt\/wp-json\/wp\/v2\/media\/2303"}],"wp:attachment":[{"href":"https:\/\/cnsuton.com\/pt\/wp-json\/wp\/v2\/media?parent=2264"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/cnsuton.com\/pt\/wp-json\/wp\/v2\/product_brand?post=2264"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/cnsuton.com\/pt\/wp-json\/wp\/v2\/product_cat?post=2264"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/cnsuton.com\/pt\/wp-json\/wp\/v2\/product_tag?post=2264"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}