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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。* D- k- c. W! i, c3 `4 o
如果是VDR跨接在mains-earhing,那么:
! Q5 |) h/ K8 M: M2 eVaristors between mains and protective earth:
( |4 n- B/ B$ F6 a+ y4 n7 Q, {5 q+ [3 Z8 a3 i$ z* {) b1 ~/ ^
1.For pluggable equipment, type A:' N: R1 G, O# |$ J' g
Accepted by all countries (when the varistor is separately certified) except Austria, Belgium, Denmark, Germany, Finland, Norway, Sweden, The United Kingdom) ?" j; X: k# D! q) }( F. O
8 }: V7 S; u3 k% d. t }3 x2. For pluggable equipment, type B and permanently connected equipment connected to protective earth: 3 [# _- ]0 x# e2 N
Accepted by all countries (when the varistor is separately certified) |
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