1 1/2 hp 1140 RPM, 2.3 amps 575V Volts 60 Hz 3-Phase MotorNEMA 56YZ Frame, Rolled Steel, Flat Shaft 5/8" Diameter x 4 7/8" longService Factor = 1.0, Overload Protection: AutoBand Mount, Ball Bearings, Class B Insulation, Rev1 Year Manufacture WarrantyCommercial Condenser Fan Motor. Wiring diagram on motor name plate. OAO = Open Air-Over, P063GEJ4946015B