stamford brushless alternator, , rated output from 10.8kw to 320kw !. brushless alternator, steel frame, Excellent silicon steel chip, import ball bearings ,self- ... : 50HZ = 1500 RPM , 60HZ = 1800 RPM.Power Factor =0.8 Product DescriptionSPG series brushless alternator.50Hz,class H,IP23,voltage adjust small ... # 14"125*76*102SPG- 274E112kw140kvaSAE 1# 14"125*76*102 stamford alternator