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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
' c0 u- s2 a- Q: N$ ?xidua-10 发表于 2013-5-20 17:45 " c3 o6 \2 n) q3 G( Z5 I& @
個人以為如下 ; X% x# y, q! r& C
4943,基于IEC60950翻译的,关于这部份,IEC的原文如下:
* i/ E# S: |4 V- O3 j2.7.1 Basic requirements
+ R7 L$ M! G/ @Protection in PRIMARY CIRCUITS against overcurrents, short-circuits and earth faults shall be
) H) M% G- \8 }1 Iprovided, either as an integral part of the equipment or as part of the building installation.* y6 x+ q6 \2 C, n0 c: w
. s) h& X3 \5 x3 H; | n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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