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本帖最后由 stey 于 2012-8-7 16:01 编辑
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参考CTL决议P-DSH-651( o/ w# r3 p9 r3 k3 f
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可以跨接,但要满足绝缘要求,个人建议VDR还是放在保险丝后面好
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0 t% {1 Z6 R, f" IVaristors between mains and protective earth:
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& N4 j1 c: x) [7 v. m; x1.For pluggable equipment, type A: 1 r& m+ ]) F8 A3 H& ^- V F/ F! A& K& W
Accepted by all countries (when the varistor is separately certified) except Austria, Belgium, Denmark, Germany, Finland, Norway, Sweden, The United Kingdom .
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3 E* E: R+ _% n' j" ]1 }* l2. For pluggable equipment, type B and permanently connected equipment connected to protective earth: , J5 l a+ I7 B4 e& P3 v
Accepted by all countries (when the varistor is separately certified)* W9 v: y# ]0 P
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