标准没有要求一定要保险丝,通常我们会在电路板上做一个薄弱的细铜箔环节来解决异常测试,取代保险丝以节约成本。作者: woaislni 时间: 2011-10-10 23:28
2.7 Overcurrent and earth fault protection in primary circuits ! B. z; }/ {, b/ [& M/ l2.7.1 Basic requirements $ ]- e' Z! Y6 O/ {0 I3 U& m+ |! u VProtection in PRIMARY CIRCUITS against overcurrents, short-circuits and earth faults shall be , h# K( w! }* W. c% g
provided, either as an integral part of the equipment or as part of the building installation. - @/ i+ E5 r) M4 r% i- W( k2 g1 o5 ]3 k" O! W
NOTE In the member countries of CENELEC, the protective devices necessary to comply with the requirements of 1 f/ W6 Q$ Z+ Q& x& H
5.3 must, with certain exceptions, be included as part of the equipment. + A, \8 E5 z5 A/ R/ w2 n0 t, k' V& V$ E
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。