... years,supply good qualtiy and best serivce three phase alternator:The generators are ther-phase,four-wire type,adopted star connection with ... neutral point,The rated line voltage is 400V,phase voltage 230V,frequency 50Hz,power factor 0.8(lag).we ... radiation than cast iron housing. - Unique digital volt or Herz meter can resist vibration, watch easier. - Strong end shield via CAD ...