Overview Product Description General purpose motors are for use in situations not having special requirements. This is a three phase motor with a rigid base mount. Shaft has keyway. 1 hp 1800 RPM, 3.0/1.5 amps 230/460 Volts 60 Hz. Three Phase NEMA 56 frame, Keyed Shaft 5/8" Diameter x 1 5/8" Service Factor: 1.15, Overload protection = None Rigid Base, Reversible, Ball Bearings, Class B Insulation Product Videos Custom Field Product Reviews