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本帖最后由 Safer 于 2013-5-21 10:14 编辑
- [$ O. P/ p5 D( Hxidua-10 发表于 2013-5-20 17:45
0 S# X6 ` W5 r* Z( H個人以為如下 ' d- A( s1 e7 ?1 `/ u2 B# @
4943,基于IEC60950翻译的,关于这部份,IEC的原文如下:$ e! ~ N( t' ` w
2.7.1 Basic requirements
' N: ^: w7 M- ?Protection in PRIMARY CIRCUITS against overcurrents, short-circuits and earth faults shall be5 N l& o% k9 |) m! y0 v. n
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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