安规网

标题: IEC 62368-1:2014 与2018版,接地电阻差异 [打印本页]

作者: 000829    时间: 2024-8-17 17:24
标题: IEC 62368-1:2014 与2018版,接地电阻差异
今天看到2014版与2018版有个差异:2014版4 x5 X  y* A4 Z# N
5.6.4.2.1: Z6 e  \6 q; S8 j
7 z( e' f9 C; Z4 @, p7 d
– for pluggable equipment type A, the protective current rating is the rating of an- ?, D( c1 @& B3 |" O1 p
overcurrent protective device provided external to the equipment (for example, in the
6 z' j& G% N$ o& pbuilding wiring, in the mains plug or in an equipment rack), with a minimum of 16 A;3 `" _+ m* a' N( _! N. S1 Q3 R
NOTE 1 In most countries, 16 A is considered to be suitable as the protective current rating of the circuit
4 F9 r4 j4 G, B: v; xsupplied from the mains.9 N* M' c# B% j5 E* }- |4 O
NOTE 2 In Canada and the USA, the protective current rating of the circuit supplied from the mains is9 L) V* G- U% \" c! i! v
taken as 20 A.
) J2 _; N1 o) o8 d* z5 E( S- ?0 u9 t/ X- m% E7 T( c6 m
NOTE 3 In the UK and Ireland the protective current rating is taken to be 13 A, this being the largest rating
  _- R. r; B4 M: v* m* mof fuse used in the mains plug
8 h# ?) _. {. Z% h5 J9 H9 a' s
+ L+ ]9 M: y7 V. Y% F4 j. I+ |% y# u
" r$ M# p; `6 o' o2 P
2018版
9 ]2 K& p' r7 p7 d3 ^0 U+ ^8 k相同部分省略# U( Q- W9 ]" |1 n: z2 ?; R
NOTE 4 In France, in certain cases, the protective current rating of the circuit supplied from the mains is
% A" H/ s' T: N  y2 Htaken as 20 A instead of 16 A.
; v5 T; c1 C8 S
" u6 h* k" {, i
- k, C0 Y2 h/ g: |( `0 b6 e法国在某些情况下,保护电流额定值为20A, 那是不是IEC和CE里,,需要用40A评估接地电阻了。
, o# F- }" n9 g  C
作者: David_Yang1234    时间: 2024-9-29 14:53
平时做CB,CE认证好像只测了32A




欢迎光临 安规网 (http://bbs2.angui.org/) Powered by Discuz! X3.2