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本帖最后由 Safer 于 2013-5-21 10:14 编辑 7 r5 z0 S0 N7 x
xidua-10 发表于 2013-5-20 17:45
0 E' M o- W/ E! x9 O3 ^個人以為如下 ~- P* u7 o! l, M" O% D5 o
4943,基于IEC60950翻译的,关于这部份,IEC的原文如下:" t8 `# } H' P6 ~4 T
2.7.1 Basic requirements
8 `+ I5 p' z9 ?& @, `Protection in PRIMARY CIRCUITS against overcurrents, short-circuits and earth faults shall be$ N/ H$ h8 S) h. }' Z; M, z) s
provided, either as an integral part of the equipment or as part of the building installation.; m1 U0 C. S) O6 @, M# L% i
5 N; |( d( V0 r+ A& y, a: _
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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