7 1/2 hp 1800/900 RPM (2 speed), 9.5 amps 460 Volts 60 Hz Variable Torque Three Phase MotorNEMA 213T frame Keyed Shaft 1 3/8" Diameter x 3 3/8"Service Factor: 1.25, Overload protection = NoneRigid Base Mount, Ball Bearings, Class F Insulation, Reversible1 Year Manufacture WarrantyThis 3-phase, one winding motor is designed for use in 2-speed applications allowing for variable shaft torque. Wiring diagram on motor name plate. TEFC = Totally Enclosed Fan cooled. C866