A.Founded in1980 B.CE,ROHS,SGS,UL,KEMA,VDE,TSE,CB C.ISO9001,14001 ... -circuit etc, can also be used for infrequent start of motor and provide overload, short circuit and under-voltage protection for ... mode: Direct handle operation (basic operation mode), rotary handle operation, motor operation 4. According to number of poles: 3 poles, 4 ...