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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。3 A( k$ G" ]" e3 f; p* `
如果是VDR跨接在mains-earhing,那么:
3 t% e' [/ F& I2 b* L4 ]Varistors between mains and protective earth:
. y0 Q9 _+ y& ?5 R5 l% t7 O, m1 s! v# y' B9 \ U
1.For pluggable equipment, type A:0 `+ ~) d: V0 y9 D/ \7 L7 I
Accepted by all countries (when the varistor is separately certified) except Austria, Belgium, Denmark, Germany, Finland, Norway, Sweden, The United Kingdom# f. P4 R! L+ i0 u" m
R4 o* f- j. c v3 ^& e% h4 K
2. For pluggable equipment, type B and permanently connected equipment connected to protective earth: : y+ M0 P7 s0 C% v
Accepted by all countries (when the varistor is separately certified) |
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