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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' U0 o9 Q/ S' X3 `
如果是VDR跨接在mains-earhing,那么:
: E0 Q' ^! D$ ^' K8 H: vVaristors between mains and protective earth:
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1.For pluggable equipment, type A:
4 U K( T; [ G0 p$ E) {% BAccepted by all countries (when the varistor is separately certified) except Austria, Belgium, Denmark, Germany, Finland, Norway, Sweden, The United Kingdom
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2. For pluggable equipment, type B and permanently connected equipment connected to protective earth: ; o c2 l0 }" f4 Q/ i1 d8 o! e
Accepted by all countries (when the varistor is separately certified) |
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