Corrosion-Resistant Industrial Fan, Blade Dia. 36 in, Stationary, Non-Oscillating, 1 Speeds, Voltage 208 to 230/460V AC, 3 Phase, CFM High 13,310, CFM Low 13,310, Motor HP 1/2 hp, Motor RPM 825, Operating Amps 2.6/1.3, Fan Mounting Location Ceiling, I-Beam, Wall, Fan RPM 850, Sound Level 66 dBA, Max. Ambient Temp. 120 Degrees F, Hz 60 Hz, Watts 519, Motor Type 3 Phase, Drive Type Direct Drive, Outside Dia. 40, Height 42 in, Width 14 in, Max. Depth 16 In.