This Leeson 1 HP single phase general purpose motor has 115/208-230 Volts and 1725 RPM and manual overload protection. NEMA frame #56, capacitor start and rigid base. General purpose motor has 1 7/8in. x 5/8in. shaft. FL Amps 230V-6.4. U.S.A.HP 1 Rated RPM 1,725 Volts 115 / 208-230 Amps 6.4 at 230 Volts Motor Phase(s) Single Shank Diameter (in.) 5/8 Shank Length (in.) 1 7/8 Frame Type NEMA 56 Reversible Yes Capacitor Start Yes Manual Overload Protection Yes Rigid Base Yes.