... 3.AC ,4 poles, power :3kw-64kw STC series three phase alternatorThree phase alternator are used in town, country side, worksites villages ... as well as to be reserved emergency power source. Three phase, four wire type, adopting star connection with neutral point. The rated ... -1. With brush, Rotary field, Harmonic excitation, IP21, Class B, Power Factor COS0.8, Chinese bearings, Output range from 3kW ...