标题: IEC60335-2-69商用吸尘器要求22.103理解问题求助 [打印本页] 作者: jinjean 时间: 2014-1-3 17:52 标题: IEC60335-2-69商用吸尘器要求22.103理解问题求助 22.103 Class I appliances or class II appliances shall employ a mains isolating switch or {. ]% b9 I5 k, Jswitches having a contact separation in all poles that provide full disconnection under8 K4 q P; f8 X4 ~7 U9 j. g
overvoltage category III conditions. Additional switches may be of single pole construction. \' D4 G! _ L 0 _+ M w: m3 C7 M22.103的要求怎样理解,求指点 4 d, n- U7 X- ? 7 v! V) P; i" a Z3 j% ~( Q