{"id":577,"date":"2024-08-17T17:18:28","date_gmt":"2024-08-17T15:18:28","guid":{"rendered":"https:\/\/gezhi-tech.com\/?p=577"},"modified":"2025-09-27T17:50:23","modified_gmt":"2025-09-27T15:50:23","slug":"clause-3-how-to-understand-the-definition-of-class-iii-appliance","status":"publish","type":"post","link":"https:\/\/gezhi-tech.com\/tr\/clause-3-how-to-understand-the-definition-of-class-iii-appliance\/","title":{"rendered":"Madde 3 \u2013 \u201cS\u0131n\u0131f III cihaz\u201d tan\u0131m\u0131n\u0131n anla\u015f\u0131lmas\u0131"},"content":{"rendered":"s\u0131n\u0131f III cihaz: elektrik \u00e7arpmas\u0131na kar\u015f\u0131 koruman\u0131n, g\u00fcvenli ekstra d\u00fc\u015f\u00fck voltajda beslenmeye ba\u011fl\u0131 oldu\u011fu ve g\u00fcvenli ekstra d\u00fc\u015f\u00fck voltajdan daha y\u00fcksek voltajlar\u0131n \u00fcretilmedi\u011fi cihaz.
NOT SELV’deki beslemeye ek olarak temel yal\u0131t\u0131m da gerekli olabilir. 8.1.4’e bak\u0131n.<\/em>
\nBunu anlamak i\u00e7in \u00f6ncelikle g\u00fcvenlik ekstra d\u00fc\u015f\u00fck voltaj\u0131n\u0131n (SELV) ne oldu\u011funu anlaman\u0131z gerekir. L\u00fctfen SELV tan\u0131m\u0131na ve a\u00e7\u0131klamas\u0131na bak\u0131n\u0131z. Bu t\u00fcr \u00fcr\u00fcnler genellikle bir adapt\u00f6r, USB veya arabadaki d\u00fc\u015f\u00fck voltajl\u0131 bir g\u00fc\u00e7 kayna\u011f\u0131yla \u00e7al\u0131\u015ft\u0131r\u0131l\u0131r. Bu tip bir \u00fcr\u00fcn sat\u0131ld\u0131\u011f\u0131nda, 100-240V AC g\u00fcc\u00fcn\u00fc ihtiya\u00e7 duyulan d\u00fc\u015f\u00fck voltaja d\u00f6n\u00fc\u015ft\u00fcren bir cihaz bulunmayacak, \u00e7\u00fcnk\u00fc e\u011fer adapt\u00f6r gibi bir d\u00f6n\u00fc\u015ft\u00fcrme cihaz\u0131 ile donat\u0131lm\u0131\u015fsa, o zaman adapt\u00f6r ve adapt\u00f6r de bulunacakt\u0131r. Cihaz bir b\u00fct\u00fcn olu\u015fturur ve b\u00fct\u00fcn\u00fcn koruma d\u00fczeyi adapt\u00f6r taraf\u0131ndan belirlenir. Adapt\u00f6r genellikle s\u0131n\u0131f II yap\u0131da oldu\u011fundan adapt\u00f6r ve cihaz, s\u0131n\u0131f II cihaz olarak tan\u0131mlan\u0131r. Bu t\u00fcr cihazlar\u0131n g\u00fc\u00e7 kayna\u011f\u0131 voltaj\u0131 nispeten d\u00fc\u015f\u00fck oldu\u011fundan, bazen baz\u0131 spesifik elektriksel fonksiyonlar\u0131n yerine getirilememesine yol a\u00e7abilir, bu nedenle cihaz\u0131n baz\u0131 \u00f6zel fonksiyonlar\u0131n\u0131 ger\u00e7ekle\u015ftirmek i\u00e7in voltaj\u0131 artt\u0131rmak amac\u0131yla bir y\u00fckseltme devresi kullanmak gerekir. \u00d6rne\u011fin, negatif iyon jenerat\u00f6r\u00fcn\u00fcn i\u015flevi bir y\u00fckseltme i\u015flemi gerektirir. Benzer bir negatif iyon jenerat\u00f6r\u00fcne veya y\u00fckseltme i\u015flemine (voltaj de\u011feri SELV’den y\u00fcksek) sahip bu tip cihaz, S\u0131n\u0131f III cihaz olarak belirlenemez.
\n
\n“G\u00fcvenlik” kelimesi, “g\u00fcvenlik ekstra d\u00fc\u015f\u00fck voltaj” d\u00f6rt kelimesinde yer almaktad\u0131r, ancak bu, SELV’nin g\u00fcvenli oldu\u011fu anlam\u0131na gelmez ve do\u011frudan dokunman\u0131n mutlaka g\u00fcvenli oldu\u011fu anlam\u0131na gelmez. Yaln\u0131zca standart 8.1.4’\u00fcn gerekliliklerini kar\u015f\u0131layan g\u00fcvenlik ekstra d\u00fc\u015f\u00fck voltaj devrelerine do\u011frudan dokunulabilir. Madde 8.1.4’\u00fc analiz ederken bunu \u00f6zellikle analiz edip a\u00e7\u0131klayaca\u011f\u0131z.
\n
\nA\u015fa\u011f\u0131daki \u015fekilde g\u00f6sterilen fan, s\u0131n\u0131f III cihaz olarak tan\u0131mlanabilir. Ancak bu fan\u0131n iki kula\u011f\u0131 vard\u0131r ve bu durum onun 22.44 maddesine uygun olmad\u0131\u011f\u0131n\u0131 g\u00f6stermektedir. Detaylar\u0131n\u0131 daha sonra a\u00e7\u0131klayaca\u011f\u0131z.
\n

\n\"\"
\n<\/figure>","protected":false},"excerpt":{"rendered":"

s\u0131n\u0131f III cihaz: elektrik \u00e7arpmas\u0131na kar\u015f\u0131 koruman\u0131n, g\u00fcvenli ekstra d\u00fc\u015f\u00fck voltajda beslenmeye ba\u011fl\u0131 oldu\u011fu ve g\u00fcvenli ekstra d\u00fc\u015f\u00fck voltajdan daha y\u00fcksek voltajlar\u0131n \u00fcretilmedi\u011fi cihaz.NOT SELV’deki beslemeye ek olarak temel yal\u0131t\u0131m da gerekli olabilir. 8.1.4’e bak\u0131n. Bunu anlamak i\u00e7in \u00f6ncelikle g\u00fcvenlik ekstra d\u00fc\u015f\u00fck voltaj\u0131n\u0131n (SELV) ne oldu\u011funu anlaman\u0131z gerekir. L\u00fctfen SELV tan\u0131m\u0131na ve a\u00e7\u0131klamas\u0131na bak\u0131n\u0131z. Bu…<\/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":[74,83,84,85,147,90,163],"class_list":["post-577","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-double-insulation-or-reinforced-insulation","tag-appliance-in-which-protection-against-electric-shock-relies-on-supply-at-safety-extra-low-voltage-and-in-which-voltages-higher-than-those-of-safety-extra-low-voltage-are-not-generated","tag-protection-against-electric-shock","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":"tr","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\/tr\/wp-json\/wp\/v2\/posts\/577","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gezhi-tech.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gezhi-tech.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gezhi-tech.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gezhi-tech.com\/tr\/wp-json\/wp\/v2\/comments?post=577"}],"version-history":[{"count":30,"href":"https:\/\/gezhi-tech.com\/tr\/wp-json\/wp\/v2\/posts\/577\/revisions"}],"predecessor-version":[{"id":1994,"href":"https:\/\/gezhi-tech.com\/tr\/wp-json\/wp\/v2\/posts\/577\/revisions\/1994"}],"wp:attachment":[{"href":"https:\/\/gezhi-tech.com\/tr\/wp-json\/wp\/v2\/media?parent=577"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gezhi-tech.com\/tr\/wp-json\/wp\/v2\/categories?post=577"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gezhi-tech.com\/tr\/wp-json\/wp\/v2\/tags?post=577"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}