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本帖最后由 stey 于 2014-8-7 09:38 编辑
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7 x% p# w' g/ {" L看定义4 r5 }# c0 ]. r9 z8 U
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independent SELV controlgear
! D5 M/ f5 f8 J& b) V, W+ r. ncontrolgear providing a SELV output isolated from the supply mains by means such as a
/ w/ ~: X% m/ l2 U" a7 p& m _safety isolating transformer, as specified in IEC 61558-1:1998; O+ K3 T: t% `
) l3 E: i$ y4 ~. |: \" ]. Q) ?9 n a8 Protection against accidental contact with live parts
* w/ K+ n) x, L; E2 ?8 t1 cNOTE: 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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