40 hp 900 RPM, 103/52 amps 230/460 Volts 60 Hz Three Phase MotorNEMA 365T Cast Iron Frame, Keyed Shaft 2 3/8" Diameter x 5 7/8"Service Factor: 1.15, Overload protection = NoneRigid Base Mount, Ball Bearings, Class F Insulation, Reversible1 Year Manufacture WarrantyGeneral purpose motor designed for use with pumps, fans, and compressors where contaminants are minimal. Wiring diagram on motor name plate. ODP = Open Drip Proof. HE12