... 3.AC ,4 poles, power :3kw-64kw STC series three phase alternatorThree phase alternator are used in town, country side, worksites villages ... power source. Three phase, four wire type, adopting star connection with neutral point. The rated line voltage is 400V, phase voltage 230V, ... other voltage's value according to the customers request. Three phase alternator are made as per standard JB/T8981-1999, ...