Amps: 51-49/24.5Bearings: BallDuty Cycle: ContinuousEfficiency: 0.93Enclosure Material: IronEnclosure Type: ODP (Open Dripproof)Frame: 256THP: 20Hz: 60Insulation Class: FManufacturer Model #: 256TTDC6026Maximum Ambient Temperature: 40° CMounting Orientation: HorizontalMounting: BaseNumber of Speeds: 1Overall Length: 22.6"Phase: 3Product Type: Three PhaseRotation: ReversibleRPM: 1780Service Factor: 1.15Shaft Diameter: 1-5/8"Shaft Length: 4.25"Volts: 208Volts: 230Volts: 460