Vector Motor Three Phase Motor Design 3-Phase 20 HP Nameplate RPM 1 770 No of Speeds 1 Voltage 230/460V AC Full Load Amps 52.0/26.0 A 256TC Frame Torque 105 ft-lb Max Speed 1 800 RPM Speed Range 2 000 1 Usable @ 208V No Usable @ 200V No 60 Hz Hz Max Operating Frequency 120 Hz Motor Service Factor 1 Motor Thermal Protection None Ins. Class F Max Ambient Temp 104 Degrees F Duty Cycle Continuous NEMA Design A Motor Shaft Rotation CW/CCW