... other switching apparat. Motor Controller,Motor Protector,Circuit Breaker,Contactor,It constitutes controlling circuit of electrical motor with AC contactor and other ... switching apparatus. when abnormal working condition occurred in the main circuit of electrical motor, such as phase failure,overload,block,3 ... (HHD5-1).8. Mounting type: 35mm rail9. Alternative product: XJ11 Electronic Motor Protector