"This LEESON 115V split-phase motor is designed for commercial duty air over fan motors for air circulators. UL recognized/CSA certified. HP 1/4, CSA Yes, Shank Diameter in. 1/2, Amps 5 @ 115V, Resilient Base Yes, Rotation Direction Clockwise or counter clockwise, Motor Phases Split, UL Yes, Frame Type NEMA 48Z, Volts 115, Open Drip Proof Housing Yes, Hertz 60, Rated RPM 1,725, Auto Overload Protection Yes. Automatic reset protector 1/2 in. dia. shaft with flat includes sleeve kit to convert to 5/8 in. shaft with keyway Service factor 1.35"