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今天看到2014版与2018版有个差异:2014版
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9 K/ T0 a: [$ u! L. S4 s# v- J– for pluggable equipment type A, the protective current rating is the rating of an
0 y3 ]$ l' c$ ^" Q; Qovercurrent protective device provided external to the equipment (for example, in the
2 c/ `1 v1 l9 l; [. `3 L! k( J( I$ `/ [% zbuilding wiring, in the mains plug or in an equipment rack), with a minimum of 16 A;8 Q$ N, }1 N/ T" Y! f+ q6 z# j5 B
NOTE 1 In most countries, 16 A is considered to be suitable as the protective current rating of the circuit
0 c% }: A. D, e' ?6 C7 M; isupplied from the mains.8 E+ H x' x7 R) d8 E6 I
NOTE 2 In Canada and the USA, the protective current rating of the circuit supplied from the mains is1 R- k3 G" t( |& j( z0 i
taken 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
, ?, M% K, I3 [of fuse used in the mains plug
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( G, |) q2 N( B2018版
& e! m) a4 q# p+ [6 u3 j相同部分省略
( J. z ]8 _+ b7 p1 Z8 B, |NOTE 4 In France, in certain cases, the protective current rating of the circuit supplied from the mains is3 L+ \9 e) f6 h! M" g4 c
taken as 20 A instead of 16 A.! m0 c0 I+ o+ ?3 `; Z- q9 U; R
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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。! h( N$ D( u$ K: o; [/ O! [9 w2 x
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