1)AC single bearing industrial power motor 2)3 phase,4 pole 3)self-excited,self-regulated 4)100%copper ... wires,2/3pitch 5)IP22 Leadtech ac alternator ... three phase, 50Hz, class H, IP22, Temp Rise 125/40°C, 4 pole. SX440 AVR. Brushless, Self-excited, Synchornous.Bearing: Single or ...