{"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":"nevybusne-svetlo-pozadavky-na-zvyseni-teploty-pro-elektricke-zarizeni-s-jiskrovym-zarizenim-typu-nr","status":"publish","type":"post","link":"https:\/\/led.amasly.com\/cs\/zarizeni-odolna-proti-vybuchu\/nevybusne-svetlo-pozadavky-na-zvyseni-teploty-pro-elektricke-zarizeni-s-jiskrovym-zarizenim-typu-nr\/","title":{"rendered":"Sv\u011btlo odoln\u00e9 proti v\u00fdbuchu: Po\u017eadavky na n\u00e1r\u016fst teploty pro elektrick\u00e1 za\u0159\u00edzen\u00ed typu \u201cnR\u201d odoln\u00e1 proti v\u00fdbuchu s jiskrov\u00fdmi za\u0159\u00edzen\u00edmi"},"content":{"rendered":"

Za\u0159\u00edzen\u00ed, kter\u00e1 za b\u011b\u017en\u00fdch provozn\u00edch podm\u00ednek vytv\u00e1\u0159ej\u00ed jiskry, se konkr\u00e9tn\u011b t\u00fdkaj\u00ed za\u0159\u00edzen\u00ed, kter\u00e1 za b\u011b\u017en\u00fdch provozn\u00edch podm\u00ednek vytv\u00e1\u0159ej\u00ed oblouky a jiskry. Jejich elektrick\u00e9 vzd\u00e1lenosti a vzd\u00e1lenosti plaziv\u00fdch prostor\u016f odpov\u00eddaj\u00ed pr\u016fmyslov\u00fdm bezpe\u010dnostn\u00edm norm\u00e1m a zaji\u0161\u0165uj\u00ed spolehliv\u00e9 izola\u010dn\u00ed vzd\u00e1lenosti. Jedn\u00e1 se nap\u0159\u00edklad o sp\u00edna\u010de, rel\u00e9 a styka\u010de bez opat\u0159en\u00ed na ochranu proti v\u00fdbuchu. P\u0159i pou\u017eit\u00ed takov\u00fdch elektrick\u00fdch za\u0159\u00edzen\u00ed v prost\u0159ed\u00ed s nebezpe\u010d\u00edm v\u00fdbuchu z\u00f3ny 2 lze pro ochranu uva\u017eovat o technologii nev\u00fdbu\u0161n\u00e9ho krytu s omezen\u00fdm d\u00fdch\u00e1n\u00edm \u201cnR\u201d. <\/p>\n\n\n\n

\"\"<\/a><\/figure><\/div>\n\n\n\n

Za\u0159\u00edzen\u00ed s omezen\u00edm d\u00fdch\u00e1n\u00ed s b\u011b\u017en\u00fdmi obloukov\u00fdmi nebo jiskrov\u00fdmi za\u0159\u00edzen\u00edmi by m\u011bla omezit rozpt\u00fdlen\u00fd v\u00fdkon tak, aby n\u00e1r\u016fst teploty na vn\u011bj\u0161\u00ed stran\u011b krytu za\u0159\u00edzen\u00ed nep\u0159ekro\u010dil 20 K nad teplotu okol\u00ed p\u0159i b\u011b\u017en\u00e9m provozu. Je to proto, \u017ee pokud je vnit\u0159n\u00ed teplota vzduchu v krytu p\u0159\u00edli\u0161 vysok\u00e1, zvy\u0161uje se riziko vniknut\u00ed v\u00fdbu\u0161n\u00e9ho plynu do krytu p\u0159i odpojen\u00ed za\u0159\u00edzen\u00ed od nap\u011bt\u00ed, tj. urychluje se \u201cd\u00fdchac\u00ed\u201d efekt krytu nev\u00fdbu\u0161n\u00e9ho elektrick\u00e9ho za\u0159\u00edzen\u00ed. Proto se nedoporu\u010duje pou\u017e\u00edvat kryt s omezen\u00fdm d\u00fdch\u00e1n\u00edm, aby se zabr\u00e1nilo vzn\u00edcen\u00ed jiskrov\u00fdch kontakt\u016f.<\/p>","protected":false},"excerpt":{"rendered":"

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 […]<\/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\/cs\/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…","_links":{"self":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts\/1593","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/comments?post=1593"}],"version-history":[{"count":1,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts\/1593\/revisions"}],"predecessor-version":[{"id":1595,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts\/1593\/revisions\/1595"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/media\/1594"}],"wp:attachment":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/media?parent=1593"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/categories?post=1593"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/tags?post=1593"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}