Marathon® Blue Chip® AC Motor, 4-Pole Continuous-Duty, Automotive Motors Application, Severe Duty Motors, Inverter Ready Special Features, 1 HP, 230/460 VAC, 3/1.5 A, 60 Hz Frequency, 3 ph ph, 1735 RPM Speed, 1 Speed, Totally Enclosed Nonvented (TENV) Enclosure, 143T Frame, 0.88 in Dia x 2.56 in L Shaft, Reversible Rotation, 1.15 Service Factor, Ball Bearing, 3.8 ft-lb Torque, Rigid Base Mounting, 40 °C, Insulation Class: Class F, Cast Iron, 1000:1 Constant Torque Speed, 10.43 in L x 10.79 in W x 7.45 in H Dimensions