... , rated output from 10.8kw to 320kw !. Leroy somer alternator TFW series, steel frame, Excellent silicon steel chip, import ... ,50HZ. Speed : 50HZ = 1500 RPM , 60HZ = 1800 RPM.Power Factor =0.8 Product DescriptionTFW series brushless alternator.50Hz,class H,IP23 ... ,voltage adjust small than 1.0%, AVR SX460 Leroy somer alternator