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本帖最后由 Safer 于 2013-5-21 10:14 编辑
" X% {4 q8 @ Y, n5 x3 Bxidua-10 发表于 2013-5-20 17:45
3 g) c9 {- s2 y5 X個人以為如下 0 U# B0 S/ B" _9 p5 W+ v. S5 ~, t
4943,基于IEC60950翻译的,关于这部份,IEC的原文如下:( U% y3 V" O. } @
2.7.1 Basic requirements
, v; ~5 X, d. d( R& g) SProtection in PRIMARY CIRCUITS against overcurrents, short-circuits and earth faults shall be: } J% u) g+ X; ^/ M9 k
provided, either as an integral part of the equipment or as part of the building installation.
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红色字体部份,怎样理解也都无法得出:保护必须置于EUT内的要求~ |
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