General Purpose Motor Three Phase Motor Design 3-Phase 20 HP Nameplate RPM 3 530 No of Speeds 1 Voltage 230/460V AC Full Load Amps 44.7/22.3 A 254/6T Frame Hz 60 Hz Motor Service Factor 1.15 Max Ambient Temp 104 Degrees F Motor Thermal Protection None Duty Cycle Continuous Ins. Class F Motor Enclosure Design Open Dripproof Motor Shaft Rotation CW/CCW Motor Mounting Type Rigid Base Motor Mounting Position Horizontal Inverter Rated Yes Motor Shaft Design Keyed