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今天看到2014版与2018版有个差异:2014版+ q E8 G# K/ F. T6 C+ K
5.6.4.2.1
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) W: [/ y4 q9 d B- m– for pluggable equipment type A, the protective current rating is the rating of an/ F" J8 t; h1 B! `0 G7 H' X
overcurrent protective device provided external to the equipment (for example, in the, {5 J% [% f! a0 J
building wiring, in the mains plug or in an equipment rack), with a minimum of 16 A; |+ O9 J4 c0 a6 z
NOTE 1 In most countries, 16 A is considered to be suitable as the protective current rating of the circuit
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NOTE 2 In Canada and the USA, the protective current rating of the circuit supplied from the mains is
* v& F2 k1 h. h/ L, otaken as 20 A.
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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 |) h% M ?/ `" F, k- C! T, M' p- `of fuse used in the mains plug
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- T5 M) X/ f8 q8 U) j+ d2018版
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NOTE 4 In France, in certain cases, the protective current rating of the circuit supplied from the mains is5 l {" _/ w6 }' f) M
taken as 20 A instead of 16 A.
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: a/ p0 e8 d8 |% Q- j) Z. D4 m! [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。! h: D: L# w2 C0 ]# G, @& x' C
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