Product Type: Three PhaseHP: 6.3, 25RPM: 870/1760Volts: 460Amps: 32Hz: 60Phase: 3Frame: 284TEnclosure Type: TEFC (Totally Enclosed Fan Cooled)Enclosure Material: IronMounting: RigidShaft Diameter: 1.875"Overall Length: 27.93"Rotation: ReversibleNumber of Speeds: 2Service Factor: 1.15Bearings: BallEfficiency: 91.7%Maximum Ambient Temperature: 40° CInsulation Class: FDuty Cycle: ContinuousManufacturer Model #: 10H161W442G1