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本帖最后由 stey 于 2014-8-7 09:38 编辑
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independent SELV controlgear
" K+ Q" c: Y8 \0 P- y# H0 E! ccontrolgear providing a SELV output isolated from the supply mains by means such as a; N3 P& h* R0 T3 ~5 K, ]; l7 A/ |
safety isolating transformer, as specified in IEC 61558-1:1998- i+ }8 d# _9 h& ~$ |; U
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8 Protection against accidental contact with live parts
2 x$ Z5 g* I: C9 [% S5 \- yNOTE: The limits of the output voltage for SELV or SELV equivalent controlgear are in accordance with IEC 60364-4-41. (50Va.c., 120d.c.)4 ?+ O% I" g( X5 f+ G
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