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今天看到2014版与2018版有个差异：2014版: i1 t! g4 l, k$ [" ^: ~# y
5.6.4.2.1
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– for pluggable equipment type A, the protective current rating is the rating of an$ c- P3 ^2 f1 s* ~; l
overcurrent protective device provided external to the equipment (for example, in the9 @8 E7 O4 e" ?! I( Z
building wiring, in the mains plug or in an equipment rack), with a minimum of 16 A;+ i% {) Q4 L7 M: a% y* @# b8 X
NOTE 1 In most countries, 16 A is considered to be suitable as the protective current rating of the circuit
; g$ m m! }6 ]4 d, P% gsupplied from the mains.5 Q) J! R, B- K' u3 q: C# U
NOTE 2 In Canada and the USA, the protective current rating of the circuit supplied from the mains is
1 `6 O2 L ^- L: {3 G2 Y `1 u& vtaken as 20 A.
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4 m9 u- r; I5 |NOTE 3 In the UK and Ireland the protective current rating is taken to be 13 A, this being the largest rating$ U7 L L# T# I8 T3 c/ t
of fuse used in the mains plug
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+ @1 v( V4 b) `$ t1 u- k% D
$ J1 J7 m+ ]: Q2018版
: B8 D( }6 j# `相同部分省略0 O9 s! g+ T/ F |
NOTE 4 In France, in certain cases, the protective current rating of the circuit supplied from the mains is
' ]6 P' O! q1 |! ^/ Q, B u. S/ }taken as 20 A instead of 16 A.' a) x% q% E$ L# d$ Q, D( O
) C8 M. f/ ~3 z
& P5 N: F7 A. K& ]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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