IEC 60670-21 Ed. 2.0:2024 (b)
家庭用及び類似の固定電気設備の電気附属品のボックス及びエンクロージャ-第21部:懸垂手段を備えたボックス及びエンクロージャの特定要求事項
Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 21: Particular requirements for boxes and enclosures with provision for suspension means
発行年月日:
2024-12-18
状態:
有効
邦訳版:
無
英語 25ページ
15,400 円(税込) 本体価格:14,000円
- 規格概要
-
IEC 60670-21:2024 applies to boxes, enclosures and parts of enclosures (hereafter called boxes and enclosures) for electrical accessories with a rated voltage not exceeding 1 000 V AC and 1 500 V DC intended for household or similar fixed electrical installations, either indoors or outdoors. Boxes and enclosures complying with this document are suitable for use at ambient temperatures not normally exceeding +40 C, but their average over a period of 24 h does not exceed +35 C, with a lower limit of the ambient air temperature of 5 C. Other temperatures outside the above range can apply according to the classification of the boxes and the enclosures. This document applies to boxes and enclosures for ceiling and wall mounting with provision for suspension means. This second edition cancels and replaces the first edition published in 2004 and Amendment 1:2016. This edition constitutes a technical revision.全文を表示する
This edition includes the following significant technical changes with respect to the previous edition:
a) Complete revision of the tests and requirements of the suspension means.
TC |
TC 23/SC 23B |
---|---|
ICS |
29.120.99 |
備考 |