STC three-phase A.C.synchronous generators STC-3~50KW 400V 100% Copper,100% output STC series three-phase alternator/generators are to be used in ... town, the countryside, worksites,mountain and pasture lands as a electric ... 400V,phase voltage is 230V,frequency is 50Hz power factor 0.8(lag).We can provide 60Hz and other voltages generator ...