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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。+ }. o% l4 ]" ?& S3 Y
如果是VDR跨接在mains-earhing,那么:
$ [3 J( G. f0 R1 VVaristors between mains and protective earth:2 v% E5 g% |! b* v
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1.For pluggable equipment, type A:
. L- I8 F/ X g8 z8 PAccepted by all countries (when the varistor is separately certified) except Austria, Belgium, Denmark, Germany, Finland, Norway, Sweden, The United Kingdom
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4 c) q% b" }8 ]8 E# l; i& p2. For pluggable equipment, type B and permanently connected equipment connected to protective earth:
! ]6 z7 o0 s' Y& x$ pAccepted by all countries (when the varistor is separately certified) |
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