{"id":5298,"date":"2019-09-23T00:59:46","date_gmt":"2019-09-23T00:59:46","guid":{"rendered":"http:\/\/www.kdmsteel.com\/?p=5298"},"modified":"2019-09-23T00:59:46","modified_gmt":"2019-09-23T00:59:46","slug":"nema-ratings","status":"publish","type":"post","link":"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/","title":{"rendered":"Classifica\u00e7\u00f5es NEMA: O guia de perguntas frequentes definitivo"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u00cdndice<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Alternar \u00edndice\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Alternar<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#What_is_a_NEMA_Rating\" >O que \u00e9 uma classifica\u00e7\u00e3o NEMA?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#What_is_IEC_60529_for_Electrical_Enclosure\" >O que \u00e9 a norma IEC 60529 para gabinete el\u00e9trico?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#Does_NEMA_Rating_Define_Enclosure_Size_Specifications\" >A classifica\u00e7\u00e3o NEMA define as especifica\u00e7\u00f5es de tamanho do gabinete?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#Can_You_Submit_Electrical_Enclosure_to_NEMA_for_Approval\" >Voc\u00ea pode enviar um gabinete el\u00e9trico para aprova\u00e7\u00e3o da NEMA?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#How_Does_KDM_Test_NEMA_Electrical_Enclosures\" >Como a KDM testa gabinetes el\u00e9tricos NEMA?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#Are_there_Construction_Requirements_for_NEMA_Type_Enclosures\" >Existem requisitos de constru\u00e7\u00e3o para gabinetes do tipo NEMA?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#Is_KDM_a_Member_of_NEMA\" >A KDM \u00e9 membro da NEMA?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#What_does_NEMA_1_Enclosure_Mean\" >O que significa NEMA 1 Enclosure?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#What_is_a_NEMA_2_Enclosure\" >O que \u00e9 um gabinete NEMA 2?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#Can_You_Buy_Enclosures_from_NEMA\" >Voc\u00ea pode comprar gabinetes da NEMA?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#What_is_a_NEMA_3_Enclosure\" >O que \u00e9 um gabinete NEMA 3?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#What_Does_a_NEMA_3R_Enclosure_Indicate\" >O que um gabinete NEMA 3R indica?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#What_is_NEMA_3RX\" >O que \u00e9 NEMA 3RX?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#What_Does_NEMA_3S_Mean\" >O que significa NEMA 3S?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#What_is_NEMA_Enclosure_Type_3SX\" >O que \u00e9 o gabinete NEMA tipo 3SX?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#Does_NEMA_Provide_Labeling_for_Enclosures\" >A NEMA fornece rotulagem para gabinetes?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#What_is_a_NEMA_4_Enclosure\" >O que \u00e9 um gabinete NEMA 4?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#What_is_the_Difference_Between_NEMA_4_and_NEMA_4X\" >Qual \u00e9 a diferen\u00e7a entre NEMA 4 e NEMA 4X?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#What_Does_NEMA_Enclosure_Type_5_Mean\" >O que significa o tipo de gabinete NEMA 5?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#What_is_a_NEMA_6_Enclosure\" >O que \u00e9 um gabinete NEMA 6?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#How_Does_NEMA_6_and_NEMA_6P_Enclosure_Compare\" >Como os gabinetes NEMA 6 e NEMA 6P se comparam?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#What_is_NEMA_Type_7_Enclosure\" >O que \u00e9 o gabinete NEMA Tipo 7?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#How_Does_NEMA_Type_8_Enclosure_Compare_to_NEMA_Type_9_Enclosure\" >Como o gabinete NEMA Tipo 8 se compara ao gabinete NEMA Tipo 9?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#What_is_NEMA_Type_10_Enclosure\" >O que \u00e9 o gabinete NEMA Tipo 10?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#What_is_the_Difference_between_NEMA_Type_11_Enclosure_and_NEMA_Type_13_Enclosure\" >Qual \u00e9 a diferen\u00e7a entre o gabinete NEMA tipo 11 e o gabinete NEMA tipo 13?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#What_is_NEMA_12_Enclosure\" >O que \u00e9 o gabinete NEMA 12?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#How_Does_NEMA_12K_Enclosure_and_NEMA_12_Enclosure_Compare\" >Como o gabinete NEMA 12K e o gabinete NEMA 12 se comparam?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#Why_is_NEMA_Mark_Missing_on_KDM_Electrical_Enclosures\" >Por que a marca NEMA est\u00e1 faltando nos gabinetes el\u00e9tricos KDM?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#What_is_IP_Enclosure_Rating\" >O que \u00e9 classifica\u00e7\u00e3o de gabinete IP?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#Can_You_Compare_NEMA_Enclosure_Rating_to_IP_Rating\" >Voc\u00ea pode comparar a classifica\u00e7\u00e3o de gabinete NEMA com a classifica\u00e7\u00e3o IP?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#Some_Electrical_Enclosures_Have_More_than_1_NEMA_Type_Rating_%E2%80%93_How_is_it_Possible\" >Alguns gabinetes el\u00e9tricos t\u00eam mais de 1 classifica\u00e7\u00e3o de tipo NEMA \u2013 como isso \u00e9 poss\u00edvel?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#Are_KDM_NEMA_Enclosures_Rated_for_Arc_Flash\" >Os gabinetes KDM NEMA s\u00e3o classificados para arco el\u00e9trico?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/#Does_KDM_Fabricate_Custom_NEMA_Enclosures\" >A KDM fabrica gabinetes NEMA personalizados?<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_is_a_NEMA_Rating\"><\/span>O que \u00e9 uma classifica\u00e7\u00e3o NEMA?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/www.nema.org\/pages\/default.aspx\">Associa\u00e7\u00e3o Nacional de Fabricantes de Eletricidade<\/a> (NEMA) representa cerca de 325 fabricantes de equipamentos el\u00e9tricos que visam fabricar equipamentos seguros, eficientes e confi\u00e1veis.<\/p>\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe loading=\"lazy\" title=\"N\u00f3s somos NEMA\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/Hu3GeiMyne4?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>Como uma associa\u00e7\u00e3o l\u00edder de fabricantes dos EUA, a NEMA promove a padroniza\u00e7\u00e3o de <a href=\"https:\/\/www.kdmsteel.com\/pt\/gabinete-eletrico\/\">gabinetes el\u00e9tricos<\/a>.<\/p>\n<p>Ele descreve os crit\u00e9rios de desempenho de gabinetes el\u00e9tricos para diferentes condi\u00e7\u00f5es ambientais.<\/p>\n<p>Consequentemente, os gabinetes el\u00e9tricos s\u00e3o classificados como NEMA tipo 1 a NEMA tipo 13, dependendo dos crit\u00e9rios de desempenho em diferentes ambientes.<\/p>\n<p>Hoje, os crit\u00e9rios de desempenho do gabinete NEMA funcionam como uma diretriz para outras organiza\u00e7\u00f5es, como <a href=\"https:\/\/www.ul.com\/\">Laborat\u00f3rios Underwriters<\/a> (UL), <a href=\"https:\/\/www.scc.ca\/en\/agl-csa\">Associa\u00e7\u00e3o Canadense de Normas<\/a>(CSA), etc.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_IEC_60529_for_Electrical_Enclosure\"><\/span>O que \u00e9 a norma IEC 60529 para gabinete el\u00e9trico?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/webstore.iec.ch\/publication\/64427\">Norma IEC 60529<\/a>, tamb\u00e9m chamado <strong><em>Prote\u00e7\u00e3o de entrada,\u00a0<\/em><\/strong>\u00e9 definido por 2 d\u00edgitos \u2013 <strong><em>IP56, IP55, <\/em><\/strong>etc.<\/p>\n<p>O primeiro d\u00edgito se refere ao grau de prote\u00e7\u00e3o contra objetos ou pe\u00e7as s\u00f3lidas, enquanto o segundo d\u00edgito se refere ao grau de prote\u00e7\u00e3o contra \u00e1gua.<\/p>\n<p>Embora a norma IEC 60529 tenha sido associada principalmente \u00e0 Uni\u00e3o Europeia, ela foi adotada globalmente.<\/p>\n<p>Juntamente com a classifica\u00e7\u00e3o NEMA e a norma IEC 60529 (classifica\u00e7\u00e3o IP), as duas desempenham um papel fundamental na avalia\u00e7\u00e3o da qualidade e do desempenho de gabinetes el\u00e9tricos em diferentes ambientes.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Does_NEMA_Rating_Define_Enclosure_Size_Specifications\"><\/span>A classifica\u00e7\u00e3o NEMA define as especifica\u00e7\u00f5es de tamanho do gabinete?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>N\u00e3o.<\/p>\n<p>O padr\u00e3o NEMA 250 define requisitos de desempenho em diferentes ambientes por:<\/p>\n<ul>\n<li>Declarando os requisitos do teste<\/li>\n<li>Requisitos de constru\u00e7\u00e3o<\/li>\n<\/ul>\n<p>No entanto, cada fabricante de gabinetes NEMA pode ter seus pr\u00f3prios projetos e tamanhos de gabinetes el\u00e9tricos.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5299\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2019\/09\/Figure-1-Electrical-enclosure-sizes.jpg\" alt=\"Tamanhos de gabinetes el\u00e9tricos\" width=\"550\" height=\"550\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2019\/09\/Figure-1-Electrical-enclosure-sizes.jpg 550w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2019\/09\/Figure-1-Electrical-enclosure-sizes-150x150.jpg 150w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2019\/09\/Figure-1-Electrical-enclosure-sizes-66x66.jpg 66w\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" \/><\/p>\n<p style=\"text-align: center;\"><em>Tamanhos de gabinetes el\u00e9tricos<\/em><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Can_You_Submit_Electrical_Enclosure_to_NEMA_for_Approval\"><\/span>Voc\u00ea pode enviar um gabinete el\u00e9trico para aprova\u00e7\u00e3o da NEMA?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>N\u00e3o, os padr\u00f5es s\u00e3o volunt\u00e1rios.<\/p>\n<p>Portanto, a NEMA n\u00e3o testa nem certifica gabinetes el\u00e9tricos.<\/p>\n<p>Cabe ao fabricante do gabinete el\u00e9trico testar (dentro de sua estrutura de garantia de qualidade) ou contratar um laborat\u00f3rio de testes terceirizado.<\/p>\n<p>Todos os testes e verifica\u00e7\u00f5es de qualidade devem estar em conformidade com os requisitos em <a href=\"https:\/\/webstore.ansi.org\/Standards\/NEMA\/NEMA2502018\">NEMA 250-2018: Gabinetes para equipamentos el\u00e9tricos (1000 V m\u00e1x.)<\/a>.<\/p>\n<p>Voc\u00ea obter\u00e1 crit\u00e9rios de desempenho de gabinetes el\u00e9tricos para diferentes ambientes.<\/p>\n<p>O documento custa cerca de $145.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_Does_KDM_Test_NEMA_Electrical_Enclosures\"><\/span>Como a KDM testa gabinetes el\u00e9tricos NEMA?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A KDM tem sua pr\u00f3pria instala\u00e7\u00e3o interna de testes de gabinete el\u00e9trico.<\/p>\n<p>Al\u00e9m disso, tamb\u00e9m trabalhamos com laborat\u00f3rios de testes terceirizados para garantir que cada gabinete esteja em conformidade com os padr\u00f5es NEMA.<\/p>\n<p>Al\u00e9m disso, o projeto e a fabrica\u00e7\u00e3o do gabinete el\u00e9trico KDM seguem rigorosamente as diretrizes NEMA 250-2018.<\/p>\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe loading=\"lazy\" title=\"Engenharia e Fabrica\u00e7\u00e3o de Projetos de Gabinetes El\u00e9tricos KDM\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/6eIrecxsTCs?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Are_there_Construction_Requirements_for_NEMA_Type_Enclosures\"><\/span>Existem requisitos de constru\u00e7\u00e3o para gabinetes do tipo NEMA?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Geralmente, as classifica\u00e7\u00f5es NEMA s\u00e3o padr\u00f5es de desempenho.<\/p>\n<p>Ou seja, o foco est\u00e1 mais no grau de prote\u00e7\u00e3o que um gabinete oferece.<\/p>\n<p>No entanto, o <strong>NEMA 250-2018 Gabinetes para equipamentos el\u00e9tricos (m\u00e1ximo de 1000 volts)<\/strong>, cont\u00e9m informa\u00e7\u00f5es sobre a constru\u00e7\u00e3o do gabinete el\u00e9trico, especialmente na se\u00e7\u00e3o 3.<\/p>\n<p>A se\u00e7\u00e3o se concentra em:<\/p>\n<p><strong>eu.<\/strong> Unidade de medida<\/p>\n<p><strong>ii.<\/strong> Material<\/p>\n<p><strong>iii.<\/strong> Prote\u00e7\u00e3o contra corros\u00e3o<\/p>\n<p><strong>4.<\/strong> Acesso ao interior<\/p>\n<p><strong>e.<\/strong> Aberturas<\/p>\n<p><strong>vi.<\/strong> Hardware de fechamento<\/p>\n<p><strong>vii.<\/strong> Mecanismo de montagem<\/p>\n<p><strong>viii.<\/strong> Conex\u00e3o de condu\u00edte<\/p>\n<p><strong>ix.<\/strong> Nocautes<\/p>\n<p><strong>x.<\/strong> Cubo e encaixe<\/p>\n<p><strong>xiii.<\/strong> Junta<\/p>\n<p><strong>xii.<\/strong> Nitidez da aresta<\/p>\n<p><strong>xiii.<\/strong> Janelas de observa\u00e7\u00e3o, etc.<\/p>\n<p><strong>Observa\u00e7\u00e3o: <\/strong>O documento NEMA 250-2018 deve servir como diretriz ao fabricar e usinar gabinetes el\u00e9tricos com classifica\u00e7\u00e3o NEMA.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Is_KDM_a_Member_of_NEMA\"><\/span>A KDM \u00e9 membro da NEMA?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/NEMA_enclosure_types\">Associa\u00e7\u00e3o Nacional de Fabricantes de Eletricidade<\/a> (NEMA) \u00e9 composta por fabricantes da Am\u00e9rica do Norte.<\/p>\n<p>Como fabricante l\u00edder de gabinetes el\u00e9tricos na China, com um grande mercado na Am\u00e9rica do Norte, a KDM est\u00e1 em conformidade com todos os requisitos de design, fabrica\u00e7\u00e3o e acabamento estipulados pela NEMA.<\/p>\n<p>Todos os nossos gabinetes NEMA est\u00e3o de acordo com a norma NEMA 250-2018 Gabinetes para Equipamentos El\u00e9tricos (m\u00e1ximo de 1000 Volts).<\/p>\n<p>Tamb\u00e9m trabalhamos com laborat\u00f3rios de testes terceirizados e parceiros na Am\u00e9rica do Norte para conformidade estrita com os padr\u00f5es. Para cada gabinete el\u00e9trico, a KDM fornece resultados de testes.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_does_NEMA_1_Enclosure_Mean\"><\/span>O que significa NEMA 1 Enclosure?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Os gabinetes el\u00e9tricos NEMA 1 s\u00e3o projetados para aplica\u00e7\u00f5es internas, onde protegem os componentes contra queda de sujeira ou entrada de s\u00f3lidos estranhos.<\/p>\n<p>Eles protegem o conte\u00fado do gabinete contra pessoas e objetos estranhos.<\/p>\n<p>Embora o gabinete NEMA 1 possa ter um sistema de porta com trava, n\u00e3o h\u00e1 sistema de veda\u00e7\u00e3o de junta.<\/p>\n<p>Portanto, isso implica que os inv\u00f3lucros NEMA 1 s\u00e3o adequados onde a prote\u00e7\u00e3o contra \u00f3leo ou \u00e1gua n\u00e3o \u00e9 necess\u00e1ria.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_a_NEMA_2_Enclosure\"><\/span>O que \u00e9 um gabinete NEMA 2?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Os gabinetes NEMA 2 s\u00e3o projetados principalmente para aplica\u00e7\u00f5es internas.<\/p>\n<p>Eles oferecem prote\u00e7\u00e3o limitada contra entrada de sujeira (queda de sujeira) e entrada de \u00e1gua.<\/p>\n<p>O gabinete NEMA 2 proteger\u00e1 o equipamento apenas contra respingos leves e gotejamentos de \u00e1gua.<\/p>\n<p>Al\u00e9m disso, tamb\u00e9m proteger\u00e1 o pessoal do acesso \u00e0s partes perigosas do gabinete.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Can_You_Buy_Enclosures_from_NEMA\"><\/span>Voc\u00ea pode comprar gabinetes da NEMA?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Voc\u00ea n\u00e3o pode porque a NEMA n\u00e3o fabrica gabinetes el\u00e9tricos.<\/p>\n<p>Eles fornecem diretrizes sobre requisitos de desempenho em diferentes ambientes.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5300\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2019\/09\/Figure-2-NEMA-electrical-enclosure.jpg\" alt=\"Gabinete el\u00e9trico NEMA\" width=\"600\" height=\"401\" \/><\/p>\n<p style=\"text-align: center;\"><em>Gabinete el\u00e9trico NEMA<\/em><\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_a_NEMA_3_Enclosure\"><\/span>O que \u00e9 um gabinete NEMA 3?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Primeiro, os gabinetes NEMA 3 s\u00e3o para ambientes internos e externos.<\/p>\n<p>Eles protegem t\u00e9cnicos ou pessoal do acesso a componentes perigosos do gabinete.<\/p>\n<p>Dois, os gabinetes NEMA 3 protegem o equipamento do gabinete de:<\/p>\n<ul>\n<li>Part\u00edculas ou objetos s\u00f3lidos \u2013 inclui poeira levada pelo vento ou entrada de sujeira<\/li>\n<li>Entrada de \u00e1gua \u2013 que leva em considera\u00e7\u00e3o neve, granizo e neve.<\/li>\n<\/ul>\n<p style=\"padding-left: 30px;\">Isso implica que, mesmo que se forme gelo no recinto NEMA 3, ele permanecer\u00e1 intacto.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Does_a_NEMA_3R_Enclosure_Indicate\"><\/span>O que um gabinete NEMA 3R indica?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Voc\u00ea pode usar um gabinete NEMA 3R para ambientes internos e externos.<\/p>\n<p>No entanto, \u00e9 comum na maioria das aplica\u00e7\u00f5es externas onde voc\u00ea pode us\u00e1-los como <a href=\"http:\/\/www.kdmsteel.com\/pt\/electrical-enclosure\/junction-box-enclosure\/\">caixas de jun\u00e7\u00e3o<\/a> ou outras aplica\u00e7\u00f5es de fia\u00e7\u00e3o.<\/p>\n<p>Os gabinetes NEMA 3R protegem t\u00e9cnicos e funcion\u00e1rios contra o acesso a componentes internos do gabinete que podem ser perigosos.<\/p>\n<p>Al\u00e9m disso, os gabinetes NEMA 3R protegem seu conte\u00fado de:<\/p>\n<ul>\n<li>Entrada de sujeira e poeira<\/li>\n<li>Granizo, neve, gotejamento e entrada de chuva, portanto seu componente permanecer\u00e1 intacto com a forma\u00e7\u00e3o de gelo na superf\u00edcie externa do gabinete<\/li>\n<\/ul>\n<p>Embora alguns gabinetes NEMA 3R possam ter fechos, eles n\u00e3o t\u00eam uma superf\u00edcie de veda\u00e7\u00e3o de junta.<\/p>\n<p>As diferen\u00e7as entre os gabinetes NEMA 3 e 3R s\u00e3o:<\/p>\n<p><strong>eu.<\/strong> A maioria dos gabinetes NEMA 3R n\u00e3o possui juntas; no entanto, as normas n\u00e3o declaram isso explicitamente.<\/p>\n<p><strong>ii.<\/strong> O inv\u00f3lucro NEMA 3R n\u00e3o protege contra poeira trazida pelo vento.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_NEMA_3RX\"><\/span>O que \u00e9 NEMA 3RX?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Os gabinetes NEMA 3RX s\u00e3o para aplica\u00e7\u00f5es externas.<\/p>\n<p>No entanto, voc\u00ea tamb\u00e9m pode usar o NEMA 3RX para aplica\u00e7\u00f5es internas.<\/p>\n<p>A letra \u201c<strong>X<\/strong>\u201d implica uma resist\u00eancia adicional \u00e0 corros\u00e3o.<\/p>\n<p>Portanto, isso implica que os gabinetes NEMA 3RX s\u00e3o adequados para ambientes com \u00e1gua salgada.<\/p>\n<p>Al\u00e9m disso, protege:<\/p>\n<ul>\n<li>T\u00e9cnicos ou pessoal de acessar componentes perigosos do gabinete<\/li>\n<li>Componentes de granizo, neve, forma\u00e7\u00e3o externa de gelo, gotejamento de \u00e1gua e chuva caindo<\/li>\n<li>Componentes do inv\u00f3lucro contra corros\u00e3o<\/li>\n<li>Prote\u00e7\u00e3o contra entrada de sujeira<\/li>\n<\/ul>\n<p>Embora alguns modelos tenham fechos, eles n\u00e3o t\u00eam superf\u00edcie de veda\u00e7\u00e3o com junta.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Does_NEMA_3S_Mean\"><\/span>O que significa NEMA 3S?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Embora voc\u00ea possa usar o gabinete NEMA 3S para aplica\u00e7\u00f5es internas e externas, ele \u00e9 adequado para uso externo.<\/p>\n<p>O gabinete NEMA 3S protege o equipamento contra chuva, granizo, poeira levada pelo vento, sujeira ou neve.<\/p>\n<p>Al\u00e9m disso, ele ainda pode operar quando carregado com gelo.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_NEMA_Enclosure_Type_3SX\"><\/span>O que \u00e9 o gabinete NEMA tipo 3SX?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>O NEMA Enclosure Type 3SX \u00e9 similar ao NEMA Type 3S Enclosure, exceto que protege os componentes contra corros\u00e3o. Claro, o NEMA Enclosure Type 3SX tamb\u00e9m pode operar quando carregado com gelo.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Does_NEMA_Provide_Labeling_for_Enclosures\"><\/span>A NEMA fornece rotulagem para gabinetes?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>N\u00e3o, a NEMA n\u00e3o fornece rotulagem para gabinetes el\u00e9tricos.<\/p>\n<p>O fabricante pode contratar terceiros ou autocertificar seus gabinetes el\u00e9tricos para estarem em conformidade com a NEMA.<\/p>\n<p>No entanto, \u00e9 importante fornecer os resultados dos testes mediante solicita\u00e7\u00e3o do cliente.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_a_NEMA_4_Enclosure\"><\/span>O que \u00e9 um gabinete NEMA 4?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Voc\u00ea pode usar o gabinete NEMA 4 para aplica\u00e7\u00f5es internas e externas.<\/p>\n<p>O inv\u00f3lucro NEMA tipo 4 protege seu conte\u00fado de:<\/p>\n<ul>\n<li>Entrada de poeira e sujeira transportada pelo vento<\/li>\n<li>Entrada de chuva, granizo e neve<\/li>\n<li>Entrada de \u00e1gua com respingos<\/li>\n<li>Entrada de \u00e1gua direcionada por cavalo ou jato de \u00e1gua pressurizado<\/li>\n<\/ul>\n<p>Al\u00e9m disso, a forma\u00e7\u00e3o de gelo na superf\u00edcie externa do inv\u00f3lucro NEMA tipo 4 n\u00e3o pode causar nenhum dano.<\/p>\n<p>Com o gabinete NEMA 4, a porta \u00e9 fixada com grampo e possui uma junta, garantindo assim a m\u00e1xima veda\u00e7\u00e3o.<\/p>\n<p>Normalmente, os gabinetes NEMA tipo 4 s\u00e3o estanques.<\/p>\n<p>Portanto, eles devem evitar que pelo menos 65 GPM de \u00e1gua saia de um bico a uma dist\u00e2ncia n\u00e3o inferior a dez p\u00e9s por 5 minutos.<\/p>\n<p>Voc\u00ea pode usar esses inv\u00f3lucros NEMA tipo 4 em latic\u00ednios, navios, esta\u00e7\u00f5es de tratamento de \u00e1guas residuais, etc.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_the_Difference_Between_NEMA_4_and_NEMA_4X\"><\/span>Qual \u00e9 a diferen\u00e7a entre NEMA 4 e NEMA 4X?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>O gabinete NEMA 4X oferece o mesmo n\u00edvel de prote\u00e7\u00e3o que o gabinete NEMA tipo 4.<\/p>\n<p>No entanto, o gabinete padr\u00e3o NEMA 4X vem com um n\u00edvel adicional de prote\u00e7\u00e3o contra corros\u00e3o.<\/p>\n<p>\u00c9 por esse motivo que materiais como alum\u00ednio, policarbonato ou a\u00e7o inoxid\u00e1vel para gabinetes NEMA 4X s\u00e3o uma escolha perfeita.<\/p>\n<p>Voc\u00ea pode us\u00e1-los em ambientes agressivos onde desinfetantes ou produtos de limpeza c\u00e1usticos s\u00e3o comuns.<\/p>\n<p>Essas \u00e1reas podem incluir ind\u00fastrias petroqu\u00edmicas, plantas de processamento de aves ou carnes, etc.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_Does_NEMA_Enclosure_Type_5_Mean\"><\/span>O que significa o tipo de gabinete NEMA 5?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Os gabinetes NEMA 5 s\u00e3o adequados para aplica\u00e7\u00f5es internas.<\/p>\n<p>Ele fornece um grau de prote\u00e7\u00e3o contra:<\/p>\n<p><strong>eu.<\/strong> Gotejamento de fluidos ou l\u00edquidos n\u00e3o corrosivos<\/p>\n<p><strong>ii.<\/strong> Assentamento de poeira no ar<\/p>\n<p><strong>iii.<\/strong> Sujeira caindo<\/p>\n<p><strong>4.<\/strong> Fibras e fiapos<\/p>\n<p><strong>e.<\/strong> \u00c1gua espirrando levemente<\/p>\n<p>Geralmente, o gabinete NEMA tipo 5 \u00e9 \u00e0 prova de poeira. Na maioria das vezes, os gabinetes NEMA 5 t\u00eam juntas e s\u00e3o comuns em sider\u00fargicas, processamento de produtos em p\u00f3, plantas de cimento, etc.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_a_NEMA_6_Enclosure\"><\/span>O que \u00e9 um gabinete NEMA 6?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Os gabinetes NEMA 6 s\u00e3o adequados para uso interno e externo.<\/p>\n<p>Esses gabinetes t\u00eam as seguintes caracter\u00edsticas principais:<\/p>\n<p><strong>eu.<\/strong> Eles podem suportar submers\u00e3o em \u00e1gua e \u00f3leo (\u00f3leos usados em po\u00e7os de visita e minera\u00e7\u00e3o).<\/p>\n<p>No entanto, a submers\u00e3o ocorre em profundidade limitada.<\/p>\n<p>Al\u00e9m disso, o inv\u00f3lucro NEMA 6 evitar\u00e1 a entrada de \u00e1gua durante submers\u00e3o tempor\u00e1ria e ocasional.<\/p>\n<p><strong>ii.<\/strong> O projeto depender\u00e1 das condi\u00e7\u00f5es de press\u00e3o prevalecentes<\/p>\n<p><strong>iii.<\/strong> Proteja os componentes do gabinete contra sujeira<\/p>\n<p><strong>4.<\/strong> Proteja os componentes do gabinete contra a entrada de \u00e1gua por mangueira<\/p>\n<p><strong>e.\u00a0<\/strong> A forma\u00e7\u00e3o de gelo na superf\u00edcie n\u00e3o danifica o gabinete NEMA 6<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_Does_NEMA_6_and_NEMA_6P_Enclosure_Compare\"><\/span>Como os gabinetes NEMA 6 e NEMA 6P se comparam?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Tanto o NEMA 6 quanto o NEMA 6P s\u00e3o adequados para uso interno e externo.<\/p>\n<p>Ao contr\u00e1rio do inv\u00f3lucro NEMA 6, o NEMA 6P protege contra a entrada de \u00e1gua em submers\u00e3o prolongada.<\/p>\n<p>\u00c9 claro que a profundidade da imers\u00e3o \u00e9 sempre limitada.<\/p>\n<p>Entretanto, tanto o gabinete NEMA 6 quanto o NEMA 6P n\u00e3o s\u00e3o adequados para submers\u00e3o cont\u00ednua.<\/p>\n<p>Al\u00e9m disso, o NEMA 6P tamb\u00e9m oferece prote\u00e7\u00e3o contra corros\u00e3o e pode suportar a forma\u00e7\u00e3o externa de gelo.<\/p>\n<p>Caso contr\u00e1rio, todos os outros graus de prote\u00e7\u00e3o do gabinete NEMA 6P s\u00e3o os mesmos do gabinete NEMA 6.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_NEMA_Type_7_Enclosure\"><\/span>O que \u00e9 o gabinete NEMA Tipo 7?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>O gabinete NEMA tipo 7 \u00e9 adequado para ambientes perigosos.<\/p>\n<p>Eles podem suportar explos\u00f5es internas sem afetar o ambiente ao redor.<\/p>\n<p>Os gabinetes NEMA Tipo 7 s\u00e3o adequados para aplica\u00e7\u00f5es internas em ambientes classificados por <a href=\"https:\/\/www.nfpa.org\/codes-and-standards\/all-codes-and-standards\/list-of-codes-and-standards\/detail?code=70\">NFPA 70<\/a> como:<\/p>\n<ul>\n<li>Classe I<\/li>\n<li>Divis\u00e3o 1<\/li>\n<li>Grupos A, B, C ou D<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"How_Does_NEMA_Type_8_Enclosure_Compare_to_NEMA_Type_9_Enclosure\"><\/span>Como o gabinete NEMA Tipo 8 se compara ao gabinete NEMA Tipo 9?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>O inv\u00f3lucro NEMA Tipo 8 pode evitar combust\u00e3o quando usado em equipamentos imersos em \u00f3leo.<\/p>\n<p>\u00c9 um gabinete NEMA classificado para ambientes certificados pela NFPA, como:<\/p>\n<ul>\n<li>Classe I<\/li>\n<li>Divis\u00e3o 1<\/li>\n<li>Grupos A, B, C e D<\/li>\n<\/ul>\n<p>Al\u00e9m disso, o gabinete NEMA Tipo 8 \u00e9 adequado para aplica\u00e7\u00f5es internas e externas.<\/p>\n<p>Os inv\u00f3lucros NEMA Tipo 9 podem evitar a igni\u00e7\u00e3o de poeira combust\u00edvel.<\/p>\n<p>Eles s\u00e3o adequados para uso interno ou externo em \u00e1reas classificadas pela NFPA 70 como:<\/p>\n<ul>\n<li>Classe II<\/li>\n<li>Divis\u00e3o 1<\/li>\n<li>Grupos E, F ou G<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"What_is_NEMA_Type_10_Enclosure\"><\/span>O que \u00e9 o gabinete NEMA Tipo 10?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Os gabinetes NEMA tipo 10 devem atender \u00e0s especifica\u00e7\u00f5es da Administra\u00e7\u00e3o de Seguran\u00e7a e Sa\u00fade de Minas, <a href=\"https:\/\/arlweb.msha.gov\/regs\/30cfr\/\">30 CFR<\/a>, Parte 18.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_the_Difference_between_NEMA_Type_11_Enclosure_and_NEMA_Type_13_Enclosure\"><\/span>Qual \u00e9 a diferen\u00e7a entre o gabinete NEMA tipo 11 e o gabinete NEMA tipo 13?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Os gabinetes NEMA 11 s\u00e3o para aplica\u00e7\u00f5es de uso geral.<\/p>\n<p>O design do inv\u00f3lucro NEMA tipo 11 garante prote\u00e7\u00e3o contra os efeitos de gases e l\u00edquidos corrosivos.<\/p>\n<p>Por outro lado, os gabinetes NEMA Tipo 13 s\u00e3o adequados para aplica\u00e7\u00f5es de uso geral.<\/p>\n<p>Eles fornecem um grau de prote\u00e7\u00e3o contra infiltra\u00e7\u00e3o, pulveriza\u00e7\u00e3o ou respingos de l\u00edquido de arrefecimento n\u00e3o corrosivo e pulveriza\u00e7\u00e3o ou gotejamento de \u00e1gua.<\/p>\n<p>Al\u00e9m disso, os gabinetes NEMA tipo 13 tamb\u00e9m s\u00e3o resistentes \u00e0 ferrugem.<\/p>\n<p>Eles protegem o conte\u00fado do recinto contra quedas e circula\u00e7\u00e3o de sujeira ou poeira.<\/p>\n<p>Os gabinetes NEMA tipo 11 e NEMA tipo 13 s\u00e3o adequados para aplica\u00e7\u00f5es internas.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_NEMA_12_Enclosure\"><\/span>O que \u00e9 o gabinete NEMA 12?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>O gabinete NEMA 12 protege o conte\u00fado do gabinete de:<\/p>\n<ul>\n<li>Gotejamentos<\/li>\n<li>Gotejamento de l\u00edquidos n\u00e3o corrosivos<\/li>\n<li>Sujeira caindo<\/li>\n<\/ul>\n<p>Os gabinetes NEMA Tipo 12 t\u00eam uma junta que impede completamente a entrada de contaminantes transportados pelo ar, \u00f3leo n\u00e3o pressurizado e \u00e1gua.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_Does_NEMA_12K_Enclosure_and_NEMA_12_Enclosure_Compare\"><\/span>Como o gabinete NEMA 12K e o gabinete NEMA 12 se comparam?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Os gabinetes NEMA 12K t\u00eam knock-outs, enquanto o gabinete NEMA 12 n\u00e3o tem knock-outs.<\/p>\n<p>Os recortes s\u00e3o pain\u00e9is pr\u00e9-cortados que voc\u00ea pode remover facilmente usando uma ferramenta.<\/p>\n<p>Portanto, durante a instala\u00e7\u00e3o do painel de fechamento, voc\u00ea remover\u00e1 apenas \u00e1reas importantes.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5301\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2019\/09\/Figure-3-Knockout-in-electrical-enclosure.png\" alt=\"Nocaute em inv\u00f3lucro el\u00e9trico\" width=\"728\" height=\"410\" \/><\/p>\n<p style=\"text-align: center;\"><em>Nocaute no gabinete el\u00e9trico<\/em><\/p>\n<p>O gabinete NEMA 12K oferece um grau razo\u00e1vel de flexibilidade durante a instala\u00e7\u00e3o de cabos ou fios.<\/p>\n<p>Tanto o gabinete NEMA Tipo 12 quanto o gabinete NEMA Tipo 12K protegem contra:<\/p>\n<p><strong>eu.<\/strong> Queda e circula\u00e7\u00e3o de fiapos, sujeira, poeira ou fibras<\/p>\n<p><strong>ii.<\/strong> Gotejamento e respingos leves de entrada de \u00e1gua<\/p>\n<p><strong>iii.<\/strong> Assentando poeira e sujeira<\/p>\n<p><strong>4.<\/strong> Vazamento de refrigerantes e \u00f3leo<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Why_is_NEMA_Mark_Missing_on_KDM_Electrical_Enclosures\"><\/span>Por que a marca NEMA est\u00e1 faltando nos gabinetes el\u00e9tricos KDM?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Primeiro, <strong><em>NEMA<\/em><\/strong> n\u00e3o \u00e9 uma avalia\u00e7\u00e3o de conformidade nem uma marca de certifica\u00e7\u00e3o.<\/p>\n<p>\u00c9 por isso que voc\u00ea n\u00e3o ver\u00e1 gabinetes KDM com marca\u00e7\u00f5es NEMA.<\/p>\n<p>Segundo, <strong><em>NEMA<\/em><\/strong> \u00e9 o <em>Associa\u00e7\u00e3o Nacional de Fabricantes de Eletricidade<\/em> marca registrada.<\/p>\n<p>O KDM respeita a propriedade intelectual; portanto, n\u00e3o podemos utiliz\u00e1-la.<\/p>\n<p>No entanto, para nossos parceiros OEM na Am\u00e9rica do Norte, que s\u00e3o membros da NEMA, usaremos esse recurso em seus gabinetes el\u00e9tricos mediante solicita\u00e7\u00e3o.<\/p>\n<p>O KDM o utilizar\u00e1 para indicar que o gabinete el\u00e9trico atende aos requisitos de desempenho de projeto NEMA para diferentes ambientes.<\/p>\n<p>Mas n\u00e3o o usaremos na mesma frase ou pr\u00f3ximo \u00e0s marcas de conformidade, como CE, UL, etc.<\/p>\n<p>Para mais esclarecimentos sobre o uso das marca\u00e7\u00f5es NEMA no gabinete el\u00e9trico, <a href=\"https:\/\/www.kdmsteel.com\/pt\/contato\/\">fale com nossa equipe hoje<\/a>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5302\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2019\/09\/Figure-4-NEMA-Compliant-electrical-enclosure.jpg\" alt=\"Gabinete el\u00e9trico compat\u00edvel com NEMA\" width=\"806\" height=\"671\" srcset=\"https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2019\/09\/Figure-4-NEMA-Compliant-electrical-enclosure.jpg 806w, https:\/\/www.kdmsteel.com\/wp-content\/uploads\/2019\/09\/Figure-4-NEMA-Compliant-electrical-enclosure-768x639.jpg 768w\" sizes=\"auto, (max-width: 806px) 100vw, 806px\" \/><\/p>\n<p style=\"text-align: center;\"><em>Gabinete el\u00e9trico compat\u00edvel com NEMA<\/em><\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_IP_Enclosure_Rating\"><\/span>O que \u00e9 classifica\u00e7\u00e3o de gabinete IP?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Os pa\u00edses da Uni\u00e3o Europeia utilizam <a href=\"https:\/\/en.wikipedia.org\/wiki\/IP_Code\">C\u00f3digo IP<\/a> para classificar diferentes gabinetes dependendo do grau de prote\u00e7\u00e3o.<\/p>\n<p>\u00c0s vezes, esse c\u00f3digo se refere \u00e0 entrada<strong><em>\u00a0Marca\u00e7\u00e3o de prote\u00e7\u00e3o<\/em><\/strong>, <strong><em>Marca\u00e7\u00e3o de Prote\u00e7\u00e3o Internacional,<\/em><\/strong> ou <strong><em>Norma IEC 60529<\/em><\/strong>.<\/p>\n<p>Estas s\u00e3o normas de seguran\u00e7a de gabinete publicadas pela <a href=\"https:\/\/www.iec.ch\/\">Comiss\u00e3o Eletrot\u00e9cnica Internacional<\/a> (CEI).<\/p>\n<p>A estrutura da classifica\u00e7\u00e3o do gabinete IP segue o formato:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5303\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2019\/09\/Figure-5-IP-Code.jpg\" alt=\"C\u00f3digo IP\" width=\"619\" height=\"284\" \/><\/p>\n<p style=\"text-align: center;\"><em>C\u00f3digo IP \u2013 Cr\u00e9ditos da foto: Wikimedia<\/em><\/p>\n<p>Por exemplo, voc\u00ea pode ter <strong><em>Gabinete IP 45<\/em><\/strong>, <strong><em>Gabinete IP 56<\/em><\/strong>, <strong><em>Gabinete IP 65<\/em><\/strong>, etc.<\/p>\n<p>Onde os d\u00edgitos ou letras mostram os seguintes graus de prote\u00e7\u00e3o:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5304\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2019\/09\/Figure-6-IP-Protection-Guide.png\" alt=\" Guia de Prote\u00e7\u00e3o de PI\" width=\"600\" height=\"668\" \/><\/p>\n<p style=\"text-align: center;\"><em>Prote\u00e7\u00e3o de IP \u2013 Cr\u00e9ditos das fotos: Flow Star<\/em><\/p>\n<p>O primeiro d\u00edgito refere-se ao grau de prote\u00e7\u00e3o contra part\u00edculas s\u00f3lidas.<\/p>\n<p>Enquanto o segundo d\u00edgito \u00e9 a prote\u00e7\u00e3o contra entrada de l\u00edquidos.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Can_You_Compare_NEMA_Enclosure_Rating_to_IP_Rating\"><\/span>Voc\u00ea pode comparar a classifica\u00e7\u00e3o de gabinete NEMA com a classifica\u00e7\u00e3o IP?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Sim, voc\u00ea pode.<\/p>\n<p>No entanto, voc\u00ea deve observar que \u00e9 preciso dizer que o gabinete do tipo NEMA \u00e9 <strong><em>equivalente<\/em><\/strong> para um gabinete com classifica\u00e7\u00e3o IP e n\u00e3o vice-versa.<\/p>\n<p>Isso ocorre porque a classifica\u00e7\u00e3o IP se concentra na prote\u00e7\u00e3o do gabinete el\u00e9trico contra a entrada de \u00e1gua e part\u00edculas s\u00f3lidas.<\/p>\n<p>Entretanto, a designa\u00e7\u00e3o NEMA leva em considera\u00e7\u00e3o outros aspectos cr\u00edticos, como resist\u00eancia \u00e0 corros\u00e3o, capacidade de suportar submers\u00e3o em profundidade e tempo limitados, entre outras condi\u00e7\u00f5es.<\/p>\n<p>Claro, essa \u00e9 uma abordagem mais abrangente, diferente da classifica\u00e7\u00e3o IP.<\/p>\n<p>Aqui est\u00e1 uma breve compara\u00e7\u00e3o entre o gabinete NEMA e o gabinete IP:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-5305\" src=\"http:\/\/www.kdmsteel.com\/wp-content\/uploads\/2019\/09\/Figure-7-NEMA-to-IP-rating.jpg\" alt=\"Classifica\u00e7\u00e3o NEMA para IP\" width=\"650\" height=\"361\" \/><\/p>\n<p style=\"text-align: center;\"><em>Classifica\u00e7\u00e3o NEMA para classifica\u00e7\u00e3o IP \u2013 Cr\u00e9ditos da foto: Automation Direct<\/em><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Some_Electrical_Enclosures_Have_More_than_1_NEMA_Type_Rating_%E2%80%93_How_is_it_Possible\"><\/span>Alguns gabinetes el\u00e9tricos t\u00eam mais de 1 classifica\u00e7\u00e3o de tipo NEMA \u2013 como isso \u00e9 poss\u00edvel?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>N\u00e3o h\u00e1 nada de errado em um gabinete el\u00e9trico ter mais de uma designa\u00e7\u00e3o de classifica\u00e7\u00e3o de tipo NEMA.<\/p>\n<p>Por exemplo, voc\u00ea pode ter um gabinete adequado para:<\/p>\n<ul>\n<li>Aplica\u00e7\u00f5es internas e externas<\/li>\n<li>Pode suportar submers\u00e3o e corros\u00e3o, etc.<\/li>\n<\/ul>\n<p>Nesse caso, ap\u00f3s a avalia\u00e7\u00e3o, \u00e9 importante listar todas as designa\u00e7\u00f5es de classifica\u00e7\u00e3o de tipo NEMA.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Are_KDM_NEMA_Enclosures_Rated_for_Arc_Flash\"><\/span>Os gabinetes KDM NEMA s\u00e3o classificados para arco el\u00e9trico?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>As classifica\u00e7\u00f5es NEMA n\u00e3o t\u00eam disposi\u00e7\u00f5es para prote\u00e7\u00e3o contra arco el\u00e9trico.<\/p>\n<p>Entretanto, nossas instru\u00e7\u00f5es de seguran\u00e7a e design tamb\u00e9m est\u00e3o em conformidade com os requisitos da NFPA 70E.<\/p>\n<p>Na KDM, damos prioridade ao local de trabalho.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Does_KDM_Fabricate_Custom_NEMA_Enclosures\"><\/span>A KDM fabrica gabinetes NEMA personalizados?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Sim.<\/p>\n<p>A KDM ajudar\u00e1 voc\u00ea em todas as etapas, desde o desenvolvimento do conceito, desenho CAD, fabrica\u00e7\u00e3o, testes de qualidade e envio.<\/p>\n<p><a href=\"https:\/\/www.kdmsteel.com\/pt\/contato\/\">Contate-nos<\/a> agora para seus gabinetes NEMA personalizados.<\/p>","protected":false},"excerpt":{"rendered":"<p>What is a NEMA Rating? National Electrical Manufacturers Association (NEMA) represents about 325 electrical equipment manufacturers aiming to make safe, efficient, and reliable equipment. As a leading association of U.S. manufacturers, NEMA promotes standardization of electrical enclosures. It outlines the performance criteria of electrical enclosures for different environmental conditions. Consequently, electrical enclosures are classified as [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5298","post","type-post","status-publish","format-standard","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>NEMA Ratings: The Ultimate FAQ Guide - KDM Steel<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kdmsteel.com\/pt\/classificacoes-nema\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NEMA Ratings: The Ultimate FAQ Guide - KDM Steel\" \/>\n<meta property=\"og:description\" content=\"What is a NEMA Rating? 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