Electrical Type: Three Phase HP: 30 Frame: 326TP Enclosure: WPI Phase: Three Voltage: 230/460 Type: RUS Down Thrust: 6700 LBS Base Diameter: 16.500" Coupling Height: 49.219" Coupling Bore Size: 1.250" Coupling Keyway: 0.375" Vertical HOLLOSHAFT High Thrust Motors - "P" Base, Three Phase|Weather Protected Type I (WPI) Premium Efficient, SINEWAVE OPTIMIZED