价格:未填
供应:99999
发货:3天内
BSM seriesresidualcurrentcircuitbreakers havearesidualcurrentoperatedelectromechanicalreleasewhichoperateswithoutanyauxiliarysourceofsupplytoopenacircuitautomaticallyinthecaseofanearthleakagefaultbetweenphaseandearthgreaterthanorequaltoathresholdof10mA,30mA,100mA,300mAor500mA.Specification:1.SeriesBSMLeakageBreakersaretheprotectorforpureelectromagneticresidualcurrentoperation.2.Theoperationfunctionisunrelatedtocircuitvoltage,butoperationisreliable.3.Itcanbereliablyoperatedonthelossofphaseorneutral.4.Thecapacityofresistingelectromagneticinterferenceisstrong.