... as emergence power source.The generators are drip-proof with rotary field type, IP23, Insulation Class: B or ... are three-phase, four-wire type, adopting star connection with neutral point. The rated line voltage is 400V, ... motor.The newly launched products contain below advantages compare with the general one,1. newly appearance, more stronger ... 50 ( kW) Voltage: 400/230(V) STC series Brush Alternator