Alternator,brushless alternator,Brushless, AVR SX440, H class insualtion, single bearing Technical:Power range: 6.5kW ~ 1056kW. Voltage: 110/220, 220, 230,240, 254, 127/220, 220/380, 230/400, 240/415, 254/440V.Frequency: 50/60Hz.single or 3 phase.Brushless self-exciting, with AVR.H class insulation.Single bearingDouble bearing can be optional. AC alternator brushless alternator