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24.101 Interlock switches that prevent access to live parts during user maintenance shall – disconnect all poles, unless the secondary circuit is supplied through an isolating transformer; – have a contact separation that provides full disconnection in accordance with IEC 61058-1. Compliance is checked by inspection. 5 C3 {' O7 Q* j4 A: w* a) c+ c! V6 Z: r% B8 a5 L
很奇怪的是,对这个开关的要求是在24.101里面,为何不放在29章里面? 俺觉得全极断开也是不安全的,因为按IEC 61058-1, 全极断开与微断开,它都只有cl:1.5mm, cr:2.5mm, 远远达不到60335-1里的安全距离要求。 : ~+ N- Q q% `2 r: B4 u8 \0 i7 s觉得2-65有些问题。