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发表于 2013-5-21 10:10
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本帖最后由 Safer 于 2013-5-21 10:14 编辑
& D( K9 k1 R' Q$ j* _xidua-10 发表于 2013-5-20 17:45
; W" \# H( K6 b7 z2 l( ^個人以為如下 ( p- Q4 I2 Q! N; w) z+ v. V
4943,基于IEC60950翻译的,关于这部份,IEC的原文如下:6 l$ p9 A; u" ?# v
2.7.1 Basic requirements
/ v, i1 f' o; G5 j+ \" W% cProtection in PRIMARY CIRCUITS against overcurrents, short-circuits and earth faults shall be& v7 @* }7 q2 V. B+ U* ?( T
provided, either as an integral part of the equipment or as part of the building installation.1 H \/ T% F" u( K* G: i
' e) a, q; W$ `% r B
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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