US Motors® Motor, 115/230 VAC, 0.22 to 0.75 A, 1550 to 1725 rpm, 4 to 25 W, 1 ph Phase, 50 Hz, 60 Hz, Totally Enclosed Air Over Motor Enclosure, 33 Frame, 1/4-20 Shaft, Clockwise Opposite Shaft End Rotation, 1 Speed, Threaded Shaft Type, 70 % Efficiency, Ball Bearing, Universal Mounting, A Insulation Class, 1 Service Factor, Aluminum, -40 to 55 deg C