Medium Duty Exhaust Fan Propeller Dia 36 In. CFM @ 0.000-In. SP 14 223 Sones @ 0.000-In. SP @ 5 ft 15.1 Sones @ 0.250-In. SP @ 5 ft - Max Inlet Temp 104 Degrees F Voltage 208-230/460 60 Hz 3 Phase Full Load Amps 2.8-2.9/1.45 Motor HP 3/4 Max BHP 0.86 Bearing Type Regreasable Pillow Block Motor RPM 1750 Motor Type 3-Phase Motor Enclosure Totally Enclosed Fan-Cooled Motor Insulation Class B Fan RPM 493 Height 40 In. Width (In.) 40 Max Depth 22 In.