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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。
$ |- |5 i3 A9 w1 k如果是VDR跨接在mains-earhing,那么:& k. G& y5 G7 N+ [$ E. o- w) t
Varistors between mains and protective earth:) D8 e6 X$ U e* D- }9 z/ d
7 z8 H6 S8 Q4 `/ f# ]1.For pluggable equipment, type A:
0 X3 s/ X) o8 j9 Z$ e; FAccepted by all countries (when the varistor is separately certified) except Austria, Belgium, Denmark, Germany, Finland, Norway, Sweden, The United Kingdom: z" l8 r& r- |* g; Y! [
/ S" E4 g& J% ?" F
2. For pluggable equipment, type B and permanently connected equipment connected to protective earth:
" X5 D2 w" ?8 M1 m7 Z. ^2 v2 f# ?Accepted by all countries (when the varistor is separately certified) |
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