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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
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" {7 H( x/ o4 c! n" ?3 R# a" _2 L– for pluggable equipment type A, the protective current rating is the rating of an
% X3 r0 N7 Z" ~' ^overcurrent protective device provided external to the equipment (for example, in the
" V2 B# f6 A6 \building wiring, in the mains plug or in an equipment rack), with a minimum of 16 A;
5 W* v, t1 n9 z" I; mNOTE 1 In most countries, 16 A is considered to be suitable as the protective current rating of the circuit. G$ N. Q( Q: n: Q4 A9 ?3 I* E5 [
supplied from the mains.' K$ [/ d/ J$ X- B8 C7 p
NOTE 2 In Canada and the USA, the protective current rating of the circuit supplied from the mains is' q5 e) }' A1 h0 ]3 x* g+ G
taken as 20 A.5 _# M5 c) X+ u( R3 I7 }- N, [* O
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NOTE 3 In the UK and Ireland the protective current rating is taken to be 13 A, this being the largest rating
9 D9 l/ U! K4 I0 _- lof fuse used in the mains plug+ }4 h8 |8 j  ]/ h  \, x

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" v9 u7 R% r+ q4 e5 M2018版" R) z9 x" C/ G" O" l) j0 v  |
相同部分省略4 p% b" x, H4 t6 s2 l! k) }1 p/ H
NOTE 4 In France, in certain cases, the protective current rating of the circuit supplied from the mains is% k- ?8 [8 d* }* h5 A9 O/ Y& E9 a
taken as 20 A instead of 16 A.1 ^3 @+ ^. N  e4 P- C4 T- _

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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。8 b6 D) e! V8 o2 x1 n$ k

作者: David_Yang1234    时间: 2024-9-29 14:53
平时做CB,CE认证好像只测了32A




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