... in ac 50 hz - 60 hz, rated voltage 380 v and 220 v dc working voltage Scope of application: LA137 - B (XB2 ... in ac 50 hz - 60 hz, rated voltage 380 v and 220 v dc working voltage of industrial control circuit, as magnetic ... get rub-up, so in low voltage and low current (5 v, 5 ma), use still can guarantee the reliability of the contact ...