1 1/2 hp 3600 RPM, 3.9/1.9 amps 230/460 Volts 60 Hz Three Phase MotorNEMA 143T Cast Iron frame Keyed Shaft 7/8" Diameter x 2 1/4"Service Factor: 1.15, Overload protection = NoneRigid Base Mount, Ball Bearings, Class F Insulation, Reversible1 Year Manufacture WarrantyGeneral purpose Division 1 hazardous location motor for class 1 group D and class 2 group FG. Wiring diagram on motor name plate. TEFC = Totally Enclosed Fan Cooled. CP18