Marathon® SYMAX® AC Motor, 6-Pole Continuous-Duty, Synchronous Permanent Magnet AC Motors Special Features, 10 HP, 230/460 VAC, 24.6/12.3 A, 90 Hz Frequency, 3 ph ph, 1800 RPM Speed, 1 Speed, Totally Enclosed Nonvented (TENV) Enclosure, 215TC Frame, 1.38 in Dia x 3.12 in L Shaft, Reversible Rotation, 1 Service Factor, Ball Bearing, 43.77 ft-lb Torque, Rigid Base Mounting, 40 °C, Insulation Class: Class H, Cast Iron, 20:1 Open Loop/1000:1 Closed Loop Constant Torque Speed, 20.41 in L x 15.05 in W x 12.83 in H Dimensions