General Purpose Motor Three Phase Motor Design 3-Phase 20 HP Nameplate RPM 3 600 No of Speeds 1 Voltage 230/460V AC Full Load Amps 46.0/22.9 A 256TC Frame Hz 60/50 Hz Motor Service Factor 1.25 Max Ambient Temp 40 Degrees C Motor Thermal Protection None Duty Cycle Continuous Ins. Class F Motor Enclosure Design Totally Enclosed Fan-Cooled Motor Shaft Rotation CW/CCW Motor Mounting Type Face/Base Motor Mounting Position Horizontal or Vertical Shaft Down