... electrical motor with AC contactor and other switching apparat Motor Protector,Motor Controller,Overload Controller,Circuit Breaker,Contactor,It constitutes controlling ... ,block,3-phase imbalance,leakage and so on. the motor protector will make contacts of switching apparatus switched off immediately, disconnect ... . Alternative product: APR-3, JVM-1, XJ2, XJ3, XJ5. Motor Protector