... with AC contactor and other switching apparat. Motor Controller,Motor Protector,Circuit Breaker,Contactor,It constitutes controlling circuit of electrical motor ... ,block,3-phase imbalance,leakage and so on. the motor protector will make contacts of switching apparatus switched off immediately, disconnect ... (HHD5-1).8. Mounting type: 35mm rail9. Alternative product: XJ11 Electronic Motor Protector