{"id":590,"date":"2024-08-26T18:07:06","date_gmt":"2024-08-26T16:07:06","guid":{"rendered":"https:\/\/gezhi-tech.com\/?p=590"},"modified":"2025-09-27T17:50:23","modified_gmt":"2025-09-27T15:50:23","slug":"clause-3-how-to-understand-the-definition-of-class-iii-construction","status":"publish","type":"post","link":"https:\/\/gezhi-tech.com\/ro\/clause-3-how-to-understand-the-definition-of-class-iii-construction\/","title":{"rendered":"Clauza 3 \u2013 Cum s\u0103 \u00een\u021belege\u021bi defini\u021bia \u201econstruc\u021biei de clasa a III-a\u201d"},"content":{"rendered":"construc\u021bie clasa III: parte a unui aparat pentru care protec\u021bia \u00eempotriva \u0219ocurilor electrice se bazeaz\u0103 pe o tensiune foarte joas\u0103 de siguran\u021b\u0103 \u0219i \u00een care nu sunt generate tensiuni mai mari dec\u00e2t cele ale tensiunii foarte sc\u0103zute de siguran\u021b\u0103.<br><em>Not\u0103 Poate fi necesar\u0103 izola\u021bia de baz\u0103 \u00een plus fa\u021b\u0103 de alimentarea la SELV. Consulta\u021bi 8.1.4.<br><s>NOTA 2 Dac\u0103 partea principal\u0103 a aparatului func\u021bioneaz\u0103 la SELV \u0219i este livrat\u0103 \u00eempreun\u0103 cu o unitate de alimentare deta\u0219abil\u0103, atunci aceast\u0103 parte principal\u0103 a aparatului este considerat\u0103 a fi de clas\u0103 III \u00eentr-un aparat de clas\u0103 I sau un aparat de clas\u0103 II, dup\u0103 caz. <\/s><\/em><br>\nAici, din nou, accentul este pus pe o parte a aparatului. Explica\u021bia Notei 1 este mai riguroas\u0103, deoarece defini\u021bia de aici prevede o tensiune foarte joas\u0103 de siguran\u021b\u0103, dar tensiunea foarte sc\u0103zut\u0103 de siguran\u021b\u0103 este doar o parte care poate fi atins\u0103 dac\u0103 \u00eendepline\u0219te cerin\u021bele de la 8.1.4.<br>\n<figure class=\"wp-block-image size-full\"><br>\n<img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"960\" src=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/table-fan-with-adapter.png\" alt=\"\" class=\"wp-image-591\" srcset=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/table-fan-with-adapter.png 960w, https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/table-fan-with-adapter-300x300.png 300w, https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/table-fan-with-adapter-150x150.png 150w, https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/table-fan-with-adapter-768x768.png 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><br>\n<\/figure><br>\nAparatul este alimentat de un adaptor cu priz\u0103 (f\u0103r\u0103 \u00eemp\u0103m\u00e2ntare de protec\u021bie), iar adaptorul \u0219i aparatul sunt livrate utilizatorului \u00eempreun\u0103. Adaptorul \u0219i aparatul sunt considerate \u00eempreun\u0103 ca fiind aparate de Clasa II. Deoarece adaptorul este Clasa II, aceasta determin\u0103 clasa de protec\u021bie \u00eempotriva \u0219ocurilor electrice. Cu toate acestea, numai aparatul &#8211; ventilator este o construc\u021bie de Clasa III, adic\u0103 o construc\u021bie de Clasa III \u00eentr-un aparat de Clasa II.<br>\n<br>\nBine\u00een\u021beles, exist\u0103 o alt\u0103 situa\u021bie, adic\u0103 un PCB de alimentare cu comutator este \u00eencorporat \u00een aparat, iar acest PCB de alimentare cu comutator poate furniza un circuit SELV. Apoi, partea circuitului SELV constituie construc\u021bie clasa II.<br>","protected":false},"excerpt":{"rendered":"<p>construc\u021bie clasa III: parte a unui aparat pentru care protec\u021bia \u00eempotriva \u0219ocurilor electrice se bazeaz\u0103 pe o tensiune foarte joas\u0103 de siguran\u021b\u0103 \u0219i \u00een care nu sunt generate tensiuni mai mari dec\u00e2t cele ale tensiunii foarte sc\u0103zute de siguran\u021b\u0103.Not\u0103 Poate fi necesar\u0103 izola\u021bia de baz\u0103 \u00een plus fa\u021b\u0103 de alimentarea la SELV. Consulta\u021bi 8.1.4.NOTA 2&#8230;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[5],"tags":[74,83,86,90,163],"class_list":["post-590","post","type-post","status-publish","format-standard","hentry","category-terms-and-definitions","tag-insulation-applied-to-live-parts-to-provide-basic-protection-against-electric-shock","tag-appliance-in-which-protection-against-electric-shock-does-not-rely-on-basic-insulation-only-but-in-which-additional-safety-precautions-are-provided-such-as-double-insulation-or-reinforced-insulation","tag-part-of-an-appliance-for-which-protection-against-electric-shock-relies-upon-safety-extra-low-voltage-and-in-which-voltages-higher-than-those-of-safety-extra-low-voltage-are-not-generated","tag-voltage-not-exceeding-42-v-between-conductors-and-between-conductors-and-earth-or-functional-earth-the-no-load-voltage-not-exceeding-50-v","tag-selv"],"translation":{"provider":"WPGlobus","version":"3.0.1","language":"ro","enabled_languages":["en","es","ar","de","ja","fr","ru","th","nl","it","fa","ko","pt","hi","ro","tr","vi","id","zu"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"es":{"title":true,"content":true,"excerpt":false},"ar":{"title":true,"content":true,"excerpt":false},"de":{"title":true,"content":true,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"fr":{"title":true,"content":true,"excerpt":false},"ru":{"title":true,"content":true,"excerpt":false},"th":{"title":true,"content":true,"excerpt":false},"nl":{"title":true,"content":true,"excerpt":false},"it":{"title":true,"content":true,"excerpt":false},"fa":{"title":true,"content":true,"excerpt":false},"ko":{"title":true,"content":true,"excerpt":false},"pt":{"title":true,"content":true,"excerpt":false},"hi":{"title":true,"content":true,"excerpt":false},"ro":{"title":true,"content":true,"excerpt":false},"tr":{"title":true,"content":true,"excerpt":false},"vi":{"title":true,"content":true,"excerpt":false},"id":{"title":true,"content":true,"excerpt":false},"zu":{"title":true,"content":true,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/gezhi-tech.com\/ro\/wp-json\/wp\/v2\/posts\/590","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gezhi-tech.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gezhi-tech.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gezhi-tech.com\/ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gezhi-tech.com\/ro\/wp-json\/wp\/v2\/comments?post=590"}],"version-history":[{"count":29,"href":"https:\/\/gezhi-tech.com\/ro\/wp-json\/wp\/v2\/posts\/590\/revisions"}],"predecessor-version":[{"id":1984,"href":"https:\/\/gezhi-tech.com\/ro\/wp-json\/wp\/v2\/posts\/590\/revisions\/1984"}],"wp:attachment":[{"href":"https:\/\/gezhi-tech.com\/ro\/wp-json\/wp\/v2\/media?parent=590"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gezhi-tech.com\/ro\/wp-json\/wp\/v2\/categories?post=590"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gezhi-tech.com\/ro\/wp-json\/wp\/v2\/tags?post=590"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}