标题: 关于UL1310 CLS24.2的理解 [打印本页] 作者: charlie800 时间: 2012-1-27 14:52 标题: 关于UL1310 CLS24.2的理解 关于UL1310 CLS24.2 关于如何测量工作电压。
C) the voltage of a class 2 circuit is regarded as zero for determianation of through air spacings, however the voltage for a class 2 circuit shall be taken into account for determination of over surface sapcing.