General Purpose Motor Three Phase Motor Design 3-Phase 20 HP Nameplate RPM 1 765 No of Speeds 1 Voltage 230/460V AC Full Load Amps 48.2/24.1 A 256T Frame Usable @ 208V Yes Usable @ 200V No Hz 60 Hz Motor Service Factor 1.25 Max Ambient Temp 104 Degrees F Motor Thermal Protection None Duty Cycle Continuous Ins. Class F NEMA Design None Motor Enclosure Design Open Dripproof Motor Shaft Rotation CW/CCW Motor Mounting Type Rigid Base Motor Mounting Position Horizontal