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大家不要吵啦,看看OSM决议,只要是单独认证的就可以跨接在L-N之间,不管fuse前还是fuse后。
4 J5 F! x! g0 F8 B" F如果是VDR跨接在mains-earhing,那么:, F! R; v& x% Z1 c# t+ L: _
Varistors between mains and protective earth:- @: x# j" {* P5 {
# s; d4 H Z( H7 N" {1.For pluggable equipment, type A:9 d( Q( K: a; F3 y
Accepted by all countries (when the varistor is separately certified) except Austria, Belgium, Denmark, Germany, Finland, Norway, Sweden, The United Kingdom7 w, P3 m' T8 x3 t- f
9 p8 n# g( O4 `% v# b. Z7 t7 y2. For pluggable equipment, type B and permanently connected equipment connected to protective earth:
& }( Q. D: j0 x# HAccepted by all countries (when the varistor is separately certified) |
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