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今天看到2014版与2018版有个差异：2014版) B: C) W; f% X+ m9 x
5.6.4.2.1/ w9 n* I: }+ g( ^7 j1 ~
, F0 b) v& H. T– for pluggable equipment type A, the protective current rating is the rating of an
7 v' h9 f* f: W- c# ~+ a) oovercurrent protective device provided external to the equipment (for example, in the
1 q! `: `8 x# n- @building wiring, in the mains plug or in an equipment rack), with a minimum of 16 A;
( l2 S. [: S! q9 ], ~2 p6 l$ n9 NNOTE 1 In most countries, 16 A is considered to be suitable as the protective current rating of the circuit
( ^# j7 c) R' ]9 vsupplied from the mains.
) V* |% k8 {" tNOTE 2 In Canada and the USA, the protective current rating of the circuit supplied from the mains is( Q4 ?% X7 m- i
taken as 20 A.8 n. c) ^3 u' U' q O0 ?. e9 [
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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 rating7 F* s' u4 a) C( s1 v2 S. }- u
of fuse used in the mains plug
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$ a9 m1 x5 s! A2 i S* ~& O7 y, P. q
2018版
; F4 N' c6 M" v) l& x相同部分省略) S2 `* O$ s9 q/ T8 o) A" S
NOTE 4 In France, in certain cases, the protective current rating of the circuit supplied from the mains is& u6 s$ ~* r' q$ d$ I" U, Q$ t
taken as 20 A instead of 16 A.
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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。
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发表于 2024-8-17 17:24
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