US Motors® Fan and Blower Motor, 208 to 230 VAC, 3.8/3.7/2.5/1.8/1.7 A, 3/4 hp, 1/2 hp, 1/3 hp, 1/4 hp, 1/5 hp, 1140 to 1110 rpm, 1 ph Phase, 60 Hz, Open Air Over Motor Enclosure, 48Y Frame, 1/2 in Dia x 5 in L Shaft, Reversible Rotation, 4 Speed, 70.2 % Efficiency, Ball Bearing, Hub Ring, Stud Mounting, Direct Drive, Continuous, B Insulation Class, 6 Poles, 1 Service Factor, 40 deg C, 5.625 in Dia x 11.6 in L Commercial and Residential Air Handlers and Furnaces. Can replace a range of horsepower applications and a variety of mounting styles.