{"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":"luce-antideflagrante-i-requisiti-di-aumento-della-temperatura-per-le-apparecchiature-elettriche-antideflagranti-di-tipo-nr-con-dispositivi-a-scintilla","status":"publish","type":"post","link":"https:\/\/led.amasly.com\/it\/apparecchiature-antideflagranti\/luce-antideflagrante-i-requisiti-di-aumento-della-temperatura-per-le-apparecchiature-elettriche-antideflagranti-di-tipo-nr-con-dispositivi-a-scintilla\/","title":{"rendered":"Luce antideflagrante: I requisiti di aumento della temperatura per le apparecchiature elettriche antideflagranti di tipo \u201cnR\u201d con dispositivi a scintilla"},"content":{"rendered":"<p class=\"has-medium-font-size wp-block-paragraph\">I dispositivi che producono scintille in condizioni di funzionamento normali si riferiscono specificamente ad apparecchiature che generano archi e scintille in condizioni di funzionamento normali. Le distanze elettriche e le distanze di dispersione sono conformi agli standard di sicurezza industriale e garantiscono distanze di isolamento affidabili. Ad esempio, interruttori, rel\u00e8 e contattori senza misure di protezione antideflagrante. Quando tali apparecchiature elettriche vengono utilizzate in ambienti a rischio di esplosione della Zona 2, si pu\u00f2 prendere in considerazione la tecnologia antideflagrante delle custodie a respirazione limitata \u201cnR\u201d. <\/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\/it\/\" 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=\"Apparecchio antideflagrante di tipo nR\" loading=\"lazy\" role=\"img\"><\/a><\/figure><\/div>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\">Le apparecchiature a respirazione limitata con normali dispositivi ad arco o a scintilla devono limitare la potenza dissipata in modo che l'aumento di temperatura all'esterno dell'involucro dell'apparecchiatura non superi i 20 K rispetto alla temperatura ambiente durante il normale funzionamento. Infatti, se la temperatura interna dell'aria dell'involucro \u00e8 troppo elevata, aumenta il rischio di ingresso di gas esplosivo nell'involucro quando l'apparecchiatura \u00e8 diseccitata, ovvero accelera l'effetto di \u201crespirazione\u201d dell'involucro delle apparecchiature elettriche antideflagranti. Pertanto, non \u00e8 consigliabile utilizzare un involucro a respirazione limitata per evitare l'accensione dei contatti a scintilla.<\/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\/it\/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\/it\/wp-json\/wp\/v2\/posts\/1593","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/led.amasly.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/led.amasly.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/it\/wp-json\/wp\/v2\/comments?post=1593"}],"version-history":[{"count":1,"href":"https:\/\/led.amasly.com\/it\/wp-json\/wp\/v2\/posts\/1593\/revisions"}],"predecessor-version":[{"id":1595,"href":"https:\/\/led.amasly.com\/it\/wp-json\/wp\/v2\/posts\/1593\/revisions\/1595"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/it\/wp-json\/wp\/v2\/media\/1594"}],"wp:attachment":[{"href":"https:\/\/led.amasly.com\/it\/wp-json\/wp\/v2\/media?parent=1593"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/led.amasly.com\/it\/wp-json\/wp\/v2\/categories?post=1593"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/led.amasly.com\/it\/wp-json\/wp\/v2\/tags?post=1593"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}