1/2 hp 1800 RPM (1 speed), 4.8 amps 230V Volts 60 Hz Split Phase Motor5.6" Dia. Frame, Rolled Steel, Keyed Shaft 1/2" Diameter x 1 1/2"Service Factor = 1.0, Overload Protection: AutoHub Mount, Sleeve Bearings, Class B Insulation, CW rotation shaft end1 Year Manufacture WarrantyBelt Drive Fan Motor for evaporative cooling units. Wiring diagram on motor name plate. ODP = Open Drip-Proof, S063STK7132801B