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关于UL1310标准中240V对初级到铁芯, 次级到铁芯的要求是都要4.8mm吗?
5 M1 |# Q+ o2 H; b. w以下如何解释:* e0 Z' I& b9 Q/ z; M. r8 N8 }. b
24.4 At other than field-wiring terminals, spacings in a Class 2 secondary circuit from the transformer
' F* R; s1 D! Bsecondary winding on or beyond the energy-limiting component, as may be appropriate, are not specified
" q$ T, a) K& n4 J& p$ i0 Tbetween live parts of opposite polarity and between a live part and a dead metal part.
) N' {7 @7 R. u7 s0 D: s5 \% n; T8 H" Y* Q0 }* y1 p& Y. z, Q
谢谢. |
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