Vector Motor 3-Phase Totally Enclosed Nonventilated 1 HP Torque 3.0 lb.-ft. Nameplate RPM 1725 Speed Range 1000 1 CT Max Speed 5400 RPM Frame 56C Max Operating Frequency 120 Hz Voltage 230/460 60 Hz 3 Phase 3.0/1.5 Full Load Amps Face/Base Mounting All Angle Mounting Position CW/CCW Rotation Ball Bearings 1.00 Service Factor Thermal Protection None Insulation Class H Ambient Temperature 40 Degrees C Nominal Efficiency 0.84 Efficiency Group EPAct NEMA Design A