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本帖最后由 Safer 于 2013-5-21 10:14 编辑 / k' O' t+ f: G: k( o, M& j
xidua-10 发表于 2013-5-20 17:45
! Q% U: M5 [. g% `- Z$ ^) g個人以為如下
|/ H; c7 ^7 t# Z$ s4943,基于IEC60950翻译的,关于这部份,IEC的原文如下:6 _' x( ?: A. f/ m/ ~
2.7.1 Basic requirements! v' m8 P7 N' |
Protection in PRIMARY CIRCUITS against overcurrents, short-circuits and earth faults shall be
' d1 ~5 K) z* S9 ^& fprovided, either as an integral part of the equipment or as part of the building installation.
1 Q" K% G- u+ ?- {; p; @2 D. ]$ W* Q8 z) C8 e. 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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