1/3 hp 1800 RPM (1 speed), 6.0/3.0 amps 115/230V Volts 60 Hz Capacitor Start Motor5.6" Dia. Frame, Rolled Steel, Flat Shaft 1/2" Diameter x 1 1/2"Service Factor = 1.3, Overload Protection: AutoResilient Base Mount, Ball Bearings, Class A Insulation, Rev1 Year Manufacture WarrantyBelt Drive Fan Motor for central HVAC systems. Wiring diagram on motor name plate. ODP = Open Drip-Proof, CA550SK0180742B