TPI SPECIALTY SUSPENSION MOUNT FANS 30″ NON-OSCILLATING SINGLE PHASE 277V THESE QUALITY FANS INCLUDE AN ENCLOSED PERMANENTLY LUBRICATED, PSC-TYPE BALL BEARING MOTOR FOR LONG LIFE AND OPTIMUM PERFORMANCE. 3 QUIET ALUMINUM BLADES ARE ENCLOSED IN DOUBLE LOCKING STEEL WIRE GUARDS FOR SAFETY. PIVOT-ACTION FAN HEAD ALLOWS VERTICAL TILT ANGLE ADJUSTMENTS. SUSPENSION MOUNT EASILY HOOKS ON TO RODS AND PIPES FOR HANGING APPLICATIONS. MEETS OSHA STANDARDS, ETL, CETL LISTED. INCLUDES A JUNCTION BOX FOR HARD WIRING. HORSEPOWER RATING BASED UPON MAXIMUM SPEED/LOAD.