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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。 K- y0 Y' f: n9 D
如果是VDR跨接在mains-earhing,那么:) C( c, e$ F" ?% @4 H H
Varistors between mains and protective earth:
# `1 V0 I/ ]8 p+ l5 v) ]* \9 |2 d. |4 F) Q( U0 L2 b8 S
1.For pluggable equipment, type A:9 V- ?# J6 _4 q# O
Accepted by all countries (when the varistor is separately certified) except Austria, Belgium, Denmark, Germany, Finland, Norway, Sweden, The United Kingdom$ R6 H3 @& O5 S
) N" ]3 [8 P1 K2 \' R) V( n& ^
2. For pluggable equipment, type B and permanently connected equipment connected to protective earth: 3 y/ G5 X. \, [. d$ ]
Accepted by all countries (when the varistor is separately certified) |
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