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本帖最后由 stey 于 2014-8-7 09:38 编辑 7 P: r- g) p! ]+ {
3 W: ^6 y4 Y1 f2 b看定义0 p% v: b& E6 v( u3 d
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independent SELV controlgear/ y Y; J- |# `) t7 I; Q
controlgear providing a SELV output isolated from the supply mains by means such as a
" l" p5 x; f) K& a5 I! S) w6 G3 w/ ssafety isolating transformer, as specified in IEC 61558-1:19988 W1 L0 A0 v+ a
0 s) R9 T6 u4 j3 F0 U `/ G8 Protection against accidental contact with live parts
( f; n) g8 D: Y) [) L, K- T! lNOTE: The limits of the output voltage for SELV or SELV equivalent controlgear are in accordance with IEC 60364-4-41. (50Va.c., 120d.c.)
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发表于 2014-8-7 09:18
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