1/5 hp 1075 RPM, 0.42 amps 277V Volts 60 Hz PSC Motor5.0" Dia. Frame, Rolled Steel, Flat Shaft 1/2" Diameter x 7"Service Factor = 1, Overload Protection: AutoBracket Mount, Sleeve Bearings, Class B Insulation, CCW Lead End1 Year Manufacture WarrantyDirect Drive Fan Motor for central HVAC systems. Wiring diagram on motor name plate. OAO = Open Air Over, K048NEV1196011B