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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。6 ? C; H5 p0 k: E$ \2 ?
如果是VDR跨接在mains-earhing,那么:$ Z6 e. F3 Z9 A: O* ]" d9 {+ m& |
Varistors between mains and protective earth:
% g( {8 d- c+ g7 ~7 ~4 L( A+ Y8 k% F2 A$ R' P" n
1.For pluggable equipment, type A:
# A0 K% V; C1 g2 DAccepted by all countries (when the varistor is separately certified) except Austria, Belgium, Denmark, Germany, Finland, Norway, Sweden, The United Kingdom3 w, m0 z) R0 s) }7 F
3 r6 I0 P+ ~5 l- g1 T, q
2. For pluggable equipment, type B and permanently connected equipment connected to protective earth: 8 c" ~- {$ B; j {, z5 h
Accepted by all countries (when the varistor is separately certified) |
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