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今天看到2014版与2018版有个差异：2014版: O) h! F% S2 H8 z4 `
5.6.4.2.1
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– for pluggable equipment type A, the protective current rating is the rating of an( X& t' k1 u" g
overcurrent protective device provided external to the equipment (for example, in the
( t, } C0 R/ Y9 _building wiring, in the mains plug or in an equipment rack), with a minimum of 16 A;! |( G+ y: ~& ^+ M0 X$ ]" r9 F
NOTE 1 In most countries, 16 A is considered to be suitable as the protective current rating of the circuit t* u$ g- S# L [( D0 q
supplied from the mains.
# [( M& ~* w5 [9 ONOTE 2 In Canada and the USA, the protective current rating of the circuit supplied from the mains is
! Q/ _* [1 _: S1 W2 k0 Ktaken as 20 A.
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& k! d, i: O' R, q6 Q6 }NOTE 3 In the UK and Ireland the protective current rating is taken to be 13 A, this being the largest rating! D* @ l% D" E" d n
of fuse used in the mains plug
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2018版
T# k6 e, S: c/ g7 ]相同部分省略
; Q J& f7 L4 k, nNOTE 4 In France, in certain cases, the protective current rating of the circuit supplied from the mains is
- W1 I, C/ j/ y; ]: staken 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。8 v+ C6 A }5 |# k
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发表于 2024-8-17 17:24
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