Cooling Tower Motor Three Phase Motor Design 3-Phase 20 HP Nameplate RPM 1 775 No of Speeds 1 Voltage 230/460V AC 48.0/24.1 A Full Load Amps 256TV Frame 60 Hz Hz Usable @ 208V No Usable @ 200V No Motor Service Factor 1.15 Motor Thermal Protection None Ins. Class F Max Ambient Temp 40 Degrees C Motor Shaft Rotation CW/CCW Motor Enclosure Design Totally Enclosed Air-Over Motor Mounting Type Rigid Base Motor Frame Material Cast Iron Motor Mounting Position All Angle