... power supply system of 50 Hz AC, rated voltage of 3300 V, the product can achieve control alone, sequence control, ... illumination power of 4KVA/127V(220V).Technical Data TypeQJZ-1800/3300-8.9.10.11.12StructureContactor: modular each loop exactly ... sameRated voltage(V)3300 Control modesSingle motor-single speed,double motor-single speed,single ...