1 hp 1140 RPM 145T Frame 208-230/460 Volts TEFC Leeson Electric Motor # 121520 1 hp 1140 RPM, 3.8/1.9 amps 208-230/460 Volts 60hz. Three Phase Motor NEMA 145T Frame Keyed Shaft 7/8" Diameter x 2 1/4" Service Factor: 1.25 - overload protection = None Reversible - Rigid Base Mount - Ball Bearings - Class B Insulation 1 Year Manufacture Warranty