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 ) K2 \' v/ l c) ~switches having a contact separation in all poles that provide full disconnection under # X# H) |2 b" N% g% W$ dovervoltage category III conditions. Additional switches may be of single pole construction. & ^- K6 ]- y$ D1 N b ) |1 ~7 G- B2 B- S% J22.103的要求怎样理解，求指点) F0 x5 d+ G5 V& k8 Q