General Purpose Motor, 7 1/2 HP, 3-Phase, Nameplate RPM 1,770, Voltage 230/460V AC/ OVERALL HEIGHT: 10.938 INCHES OVERALL LENGTH: 20.125 INCHES OVERALL WIDTH: 12.094 INCHES KEYWAY WIDTH: 0.312 INCHES NOMINAL SINGLE END KEYWAY DEPTH: 0.156 INCHES NOMINAL SINGLE END SHAFT DIAMETER: 1.375 INCHES NOMINAL SINGLE END KEYWAY LENGTH: 2.750 INCHES NOMINAL SINGLE END SHAFT ROTATION DIRECTION: CLOCKWISE SINGLE END OR COUNTERCLOCKWISE DUTY CYCLE: CONTINUOUS INCLOSURE FEATURE: DRIPPROOF PROTECTED-15 DEG WINDING TYPE: INDUCTION-SQUIRREL CAGE MOUNTING METHOD: FIXED BASE MOUNTING FACILITY TYPE AND QUANTITY: 4 UNTHREADED HOLE COOLING METHOD: SELF-VENTILATED CURRENT RATING METHOD: LOAD INCLOSURE SPECIFICATION: NEMA FRAME SIZE DESIGNATION: 254U POWER RATING: 7.500 HORSEPOWER OUTPUT LENGTH OF SHAFT FROM HOUSING: 3.750 INCHES SINGLE END SHAFT CENTER TO MOUNTING SURFACE DISTANCE: 6.250 INCHES SINGLE END NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 8.250 INCHES TEMP RATING: 40.0 AMBIENT DEG CELSIUS ROTOR SPEED RATING IN RPM: 1440.0 FIRST MULTIPLE FULL LOAD OR 1740.0 SECOND MULTIPLE FULL LOAD NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 10.000 INCHES CURRENT RATING IN AMPS: 22.000 FIRST MULTIPLE INPUT OR 11.000 SECOND MULTIPLE CONNECTION TYPE AND VOLTAGE RATING IN VOLTS: 208.0 LINE TO NEUTRAL LOW INPUT OR 220.0 LINE TO NEUTRAL HIGH OR 440.0 LINE TO NEUTRAL SECOND MULTIPLE SHAFT END CHARACTERISTIC: A9 SINGLE STYLE SINGLE END PHASE: THREE INPUT FREQUENCY IN HERTZ: 50.0 INPUT OR 60.0