{"id":1593,"date":"2024-12-28T14:40:36","date_gmt":"2024-12-28T06:40:36","guid":{"rendered":"https:\/\/led.amasly.com\/?p=1593"},"modified":"2024-12-28T14:50:15","modified_gmt":"2024-12-28T06:50:15","slug":"luz-a-prova-de-explosao-as-exigencias-de-aumento-de-temperatura-para-os-aparelhos-electricos-antideflagrantes-do-tipo-nr-com-dispositivos-de-ignicao","status":"publish","type":"post","link":"https:\/\/led.amasly.com\/pt\/equipamento-a-prova-de-explosao\/luz-a-prova-de-explosao-as-exigencias-de-aumento-de-temperatura-para-os-aparelhos-electricos-antideflagrantes-do-tipo-nr-com-dispositivos-de-ignicao\/","title":{"rendered":"Luz \u00e0 prova de explos\u00e3o: Os requisitos de aumento de temperatura para equipamento el\u00e9trico \u00e0 prova de fogo do tipo \u201cnR\u201d com dispositivos de igni\u00e7\u00e3o"},"content":{"rendered":"<p class=\"has-medium-font-size wp-block-paragraph\">Os dispositivos que produzem fa\u00edscas em condi\u00e7\u00f5es normais de funcionamento referem-se especificamente a equipamentos que geram arcos e fa\u00edscas em condi\u00e7\u00f5es normais de funcionamento. As suas folgas el\u00e9ctricas e dist\u00e2ncias de fuga cumprem as normas de seguran\u00e7a industrial, garantindo dist\u00e2ncias de isolamento fi\u00e1veis. Por exemplo, interruptores, rel\u00e9s e contactores sem medidas de prote\u00e7\u00e3o \u00e0 prova de explos\u00e3o. Quando esse equipamento el\u00e9trico \u00e9 aplicado em ambientes com risco de explos\u00e3o da Zona 2, a tecnologia \u00e0 prova de explos\u00e3o do inv\u00f3lucro de respira\u00e7\u00e3o restrita \u201cnR\u201d pode ser considerada para prote\u00e7\u00e3o. <\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-57d3632b wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><a class=\"\" href=\"https:\/\/led.amasly.com\/pt\/\" target=\"\" rel=\"noopener\"><img decoding=\"async\" srcset=\"https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/nR-type-explosion-proof-luminaire.png ,https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/nR-type-explosion-proof-luminaire.png 780w, https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/nR-type-explosion-proof-luminaire.png 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/nR-type-explosion-proof-luminaire.png\" alt=\"\" class=\"uag-image-1594\" width=\"633\" height=\"419\" title=\"lumin\u00e1ria \u00e0 prova de explos\u00e3o do tipo nR\" loading=\"lazy\" role=\"img\"><\/a><\/figure><\/div>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Os equipamentos de respira\u00e7\u00e3o limitada com dispositivos normais de arco ou fa\u00edsca devem limitar a pot\u00eancia dissipada de modo a que o aumento da temperatura no exterior do inv\u00f3lucro do equipamento n\u00e3o exceda 20 K acima da temperatura ambiente durante o funcionamento normal. Isto porque, se a temperatura do ar interno do inv\u00f3lucro for demasiado elevada, aumenta o risco de entrada de g\u00e1s explosivo no inv\u00f3lucro quando o equipamento \u00e9 desenergizado, ou seja, acelera o efeito de \u201crespira\u00e7\u00e3o\u201d do inv\u00f3lucro do equipamento el\u00e9trico \u00e0 prova de explos\u00e3o. Por conseguinte, n\u00e3o \u00e9 aconselh\u00e1vel utilizar um inv\u00f3lucro com respira\u00e7\u00e3o limitada para evitar a igni\u00e7\u00e3o de contactos de fa\u00edsca.<\/p>","protected":false},"excerpt":{"rendered":"<p>Devices that produce sparks under normal operating conditions specifically refer to equipment that generates arcs and sparks under normal operating conditions. Their electrical clearances and creepage distances comply with industrial safety standards, ensuring reliable insulation distances. For instance, switches, relays, and contactors without explosion-proof protection measures. When such electrical equipment is applied in Zone 2 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1594,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","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":"disabled","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":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","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":[8],"tags":[],"class_list":["post-1593","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-explosion-proof-equipment"],"uagb_featured_image_src":{"full":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/nR-type-explosion-proof-luminaire.png",633,419,false],"thumbnail":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/nR-type-explosion-proof-luminaire-150x150.png",150,150,true],"medium":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/nR-type-explosion-proof-luminaire-300x199.png",300,199,true],"medium_large":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/nR-type-explosion-proof-luminaire.png",633,419,false],"large":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/nR-type-explosion-proof-luminaire.png",633,419,false],"1536x1536":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/nR-type-explosion-proof-luminaire.png",633,419,false],"2048x2048":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/nR-type-explosion-proof-luminaire.png",633,419,false],"trp-custom-language-flag":["https:\/\/led.amasly.com\/wp-content\/uploads\/2024\/12\/nR-type-explosion-proof-luminaire.png",18,12,false]},"uagb_author_info":{"display_name":"Joe","author_link":"https:\/\/led.amasly.com\/pt\/author\/jacklin\/"},"uagb_comment_info":0,"uagb_excerpt":"Devices that produce sparks under normal operating conditions specifically refer to equipment that generates arcs and sparks under normal operating conditions. Their electrical clearances and creepage distances comply with industrial safety standards, ensuring reliable insulation distances. For instance, switches, relays, and contactors without explosion-proof protection measures. When such electrical equipment is applied in Zone 2&hellip;","_links":{"self":[{"href":"https:\/\/led.amasly.com\/pt\/wp-json\/wp\/v2\/posts\/1593","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/led.amasly.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/led.amasly.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/pt\/wp-json\/wp\/v2\/comments?post=1593"}],"version-history":[{"count":1,"href":"https:\/\/led.amasly.com\/pt\/wp-json\/wp\/v2\/posts\/1593\/revisions"}],"predecessor-version":[{"id":1595,"href":"https:\/\/led.amasly.com\/pt\/wp-json\/wp\/v2\/posts\/1593\/revisions\/1595"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/pt\/wp-json\/wp\/v2\/media\/1594"}],"wp:attachment":[{"href":"https:\/\/led.amasly.com\/pt\/wp-json\/wp\/v2\/media?parent=1593"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/led.amasly.com\/pt\/wp-json\/wp\/v2\/categories?post=1593"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/led.amasly.com\/pt\/wp-json\/wp\/v2\/tags?post=1593"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}