General Purpose Motor, 7 1/2 HP, 3-Phase, Nameplate RPM 1,770, Voltage 208-230/460V AC/ OVERALL HEIGHT: 13.250 INCHES OVERALL LENGTH: 21.250 INCHES OVERALL WIDTH: 16.375 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: TOTALLY INCLOSED WINDING TYPE: INDUCTION-SQUIRREL CAGE MOUNTING METHOD: FIXED BASE MOUNTING FACILITY TYPE AND QUANTITY: 4 UNTHREADED HOLE COOLING METHOD: FAN COOLED CURRENT RATING METHOD: LOAD TORQUE RATING AND TYPE: 22.5 FOOT-POUNDS RUNNING INCLOSURE SPECIFICATION: NEMA FEATURES PROVIDED: HORIZONTAL MOUNTING POSITION AND VERTICAL MOUNTING POSITION 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 AND 55.0 OPERATING DEG CELSIUS ROTOR SPEED RATING IN RPM: 1760.0 SINGLE FULL LOAD NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 10.000 INCHES CURRENT RATING IN AMPS: 21.000 FIRST MULTIPLE INPUT OR 10.500 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: 60.0 INPUT TERMINAL TYPE AND QUANTITY: 9 WIRE LEAD