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本帖最后由 Safer 于 2013-5-21 10:14 编辑
5 D' d6 B+ U8 ^% b" [1 `" o) }7 I. Nxidua-10 发表于 2013-5-20 17:45 6 k' W! D6 M( Q' V* C0 e; b' w" O
個人以為如下 ; [3 \( F# z. y d/ I8 }
4943,基于IEC60950翻译的,关于这部份,IEC的原文如下:8 q. ?. t j5 @# }/ T
2.7.1 Basic requirements3 {4 N" M( O( b
Protection in PRIMARY CIRCUITS against overcurrents, short-circuits and earth faults shall be) R3 H8 w0 x4 y# I
provided, either as an integral part of the equipment or as part of the building installation.
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; n9 t+ R4 L6 _% c2 S5 G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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