24 in 3-Phase Tubeaxial Fan with Motor and Drive Package, 208-230/460V, 1,468 Fan RPM/ SPEED ADJUSTMENTS: SINGLE SPEED LENGTH: 18.000 INCHES NOMINAL FLOW DIRECTION: INWARD ENVIRONMENTAL PROTECTION: EXPLOSION PROOF OPERATING SPEED AT RATED CAPACITY IN RPM: 1725.0 ELECTRICAL CONNECTION TYPE: WIRE LEAD STATIC PRESSURE AT SPECIFIED AIR FLOW RATE: 0.0 INCHES OF WATER DRIVE TYPE: BELT PRIME MOVER TYPE: ELECTRIC MOTOR INCLOSURE TYPE: FULLY INCLOSED MOUNTING FACILITY TYPE AND QUANTITY: 2 FLANGE AND 8 UNTHREADED HOLE ROTATION DIRECTION FOR WHICH DESIGNED: CLOCKWISE FEATURES PROVIDED: NONSPARKING AND THERMAL PROTECTIVE DEVICE AIR FLOW RATE: 7915.000 CUBIC FEET PER MINUTE NOMINAL VOLTAGE IN VOLTS AND CURRENT TYPE: 230.0 AC OR 460.0 AC PRIME MOVER POWER RATING: 1.500 HORSEPOWER HOUSING INSIDE DIAMETER: 24.312 INCHES NOMINAL PRIME MOVER DRIVE SHAFT BEARING TYPE: BALL SHAFT BEARING TYPE: BALL PHASE: THREE FREQUENCY IN HERTZ: 60.0 MATERIAL: ALUMINUM BLADE SURFACE TREATMENT: CHROMATE ZINC HOUSING AND ENAMEL STYLE DESIGNATOR: 31 FIXED