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2.7 Overcurrent and earth fault protection in primary circuits
; ]; q: ?* G, M% u2 r% n2.7.1 Basic requirements
: t6 ?. l# J0 ]( r# j$ I( u& JProtection in PRIMARY CIRCUITS against overcurrents, short-circuits and earth faults shall be
6 m9 a& r& w5 m6 c3 A% w, Z& h: w8 Xprovided, either as an integral part of the equipment or as part of the building installation. ' l1 Q1 U8 A5 E# H: L
, d% Z7 s `3 n6 d4 iNOTE In the member countries of CENELEC, the protective devices necessary to comply with the requirements of
0 O2 i7 D* e7 i) X5.3 must, with certain exceptions, be included as part of the equipment.
1 Q, \6 _6 {9 s! ]) @; `/ |8 ^' j5 p" R) V- E6 X- Z* _6 p ?$ V' H1 P2 N
见IEC 60950-1 sub clause 2.7.1中的note,除特例外,fuse必须包括在产品中作为它的一部分。 |
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