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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。: h B/ r6 n3 D- c
如果是VDR跨接在mains-earhing,那么:
9 _7 V! g5 j$ ZVaristors between mains and protective earth:
! K, S1 j! Q G0 w4 Y. g1 U) D2 H$ L& e6 h% m4 J
1.For pluggable equipment, type A:. }% E! E I4 e; r
Accepted by all countries (when the varistor is separately certified) except Austria, Belgium, Denmark, Germany, Finland, Norway, Sweden, The United Kingdom# c" s6 g6 G) b- ~$ b
! I) w" ?3 ]" f8 i9 `: D9 R) s" ^2. For pluggable equipment, type B and permanently connected equipment connected to protective earth:
8 V: A, Y9 N" bAccepted by all countries (when the varistor is separately certified) |
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