1/3 hp 1800/1200 RPM, 6.4/4.0 amps 115 Volts 60 Hz Split Phase MotorNEMA 48 Frame, Rolled Steel with Cast Aluminum End Bells, Keyed Shaft 1/2" Diameter x 1 1/2"Service Factor: 1.0 Overload protection = NoneRigid Mount, Ball Bearings, Class B Insulation, Reversible1 Year Manufacture WarrantyFor commercial and industrial ventilation systems. Wiring diagram on motor name plate. ODP = Open Drip-Proof. S055RAS7864022B