US Motors U1R9C is a 1 HP 1800/900 RPM two-speed constant-torque motor with a 145T frame and TEFC enclosure. It operates on 460V three-phase 60 Hz power. This NEMA T-frame motor is designed for applications requiring two-speed operation with constant torque, such as fans and blowers.

• 1 hp 1800/900 RPM (2 speed), 1.5 amps 460 Volts 60 Hz Constant Torque Three Phase Motor
• NEMA 145T frame Keyed Shaft 7/8" Diameter x 2 1/4"
• Service Factor: 1.25, Overload protection = None
• Rigid Base Mount, Ball Bearings, Class F Insulation, Reversible

This 3-phase, one winding motor is designed for use in 2-speed applications requiring constant shaft torque. Wiring diagram on motor name plate. TEFC = Totally Enclosed Fan cooled. C872