Medium Duty Exhaust Fan Propeller Dia 30 In. CFM @ 0.000-In. SP 9829 Sones @ 0.000-In. SP @ 5 ft 15.4 Sones @ 0.250-In. SP @ 5 ft - Max Inlet Temp 104 Degrees F Voltage 208-230/460 60 Hz 3 Phase Full Load Amps 2.0-2.0/1.0 Motor HP 1/2 Max BHP 0.58 Bearing Type Regreasable Pillow Block Motor RPM 1750 Motor Type 3-Phase Motor Enclosure Totally Enclosed Fan-Cooled Motor Insulation Class B Fan RPM 594 Height 34 In. Width (In.) 34 Max Depth 20 In.