... the power supply system of 50 Hz AC, rated voltage of 3300 V, the product can achieve control alone, sequence control ... of over current,short-circuit,low voltage,phase losing, current leakage interlock,over voltage absorbtion, triphase imbalance;Real-time display ... 9.10.11.12StructureContactor: modular each loop exactly sameRated voltage(V)3300 Control modesSingle motor-single speed,double motor-single ...