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本帖最后由 Safer 于 2013-5-21 10:14 编辑
4 _3 [3 B) a. |xidua-10 发表于 2013-5-20 17:45
! J: Q/ ? a* g個人以為如下 # S7 Z9 |) A& Y; g
4943,基于IEC60950翻译的,关于这部份,IEC的原文如下:6 |$ L. H- W, u. L% j' t
2.7.1 Basic requirements; k5 U, u+ n" l
Protection in PRIMARY CIRCUITS against overcurrents, short-circuits and earth faults shall be0 ~; R- s, v- I3 G* a
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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