This centrifugal downblast roof exhaust fan includes NEMA 1 junction box, and is made of aluminum. It features a fully rolled windband bead, fresh outside air is drawn in under the motor cover, and more and measures 38½ inch width, 40¼ inch height, 58⅜ inch length. This centrifugal downblast roof exhaust fan is designed for use with: industrial and commercial buildings. In addition, it is roof mountable, 16,908 cfm air flow, and 58¾ inch diameter, and 5 max horsepower.
Technical Specs
ItemCentrifugal Downblast Roof Exhaust Fan
AssemblyUnassembled
Wheel Diameter33 in
Base Width46 in
Minimum Airflow5,937 cfm
Maximum Motor Horsepower5 hp
Minimum Motor Speed415 RPM
Maximum Static Pressure1 3/4 in wc
StandardsAMCA Sound and Air, UL/cUL 705
Wheel MaterialAluminum
Overall Diameter58 3/4 in
Overall Length58 3/8 in
Includes Drive PackageDrive Package Not Included
ApplicationIndustrial and Commercial Buildings
Bearing TypeRegreasable Pillow Block
Compatible Curb Manufacturer Part Number2RB82, 2ZV85, 3C597, 3C598, 4HX44, 4HX52
Cutout Size41.5 in L x 41.5 in W
Electrical ConnectionPower Cord
Housing Length58.8 in
Housing Width58.8 in
Maximum Fan Speed700 RPM
Mount TypeRoof Curb
Number of Speeds1
Propeller Shaft Diameter1 1/4 in
Safety FeaturesBirdscreen, Windband
Spark Resistant Construction TypeA
Wheel TypeBackward Inclined
Drive TypeBelt Drive
Mounting LocationRoof
Base Length46 in
Base ShapeSquare
Maximum Airflow16,908 cfm
Minimum Motor Horsepower1 hp
Maximum Motor Speed700 RPM
For High-Static Pressure ApplicationsNot For High-Static Pressure Applications
For Air TypeClean Air
Housing MaterialAluminum
Overall Height40 1/4 in
Overall Width38 1/2 in
Includes MotorMotor Not Included
Base Height1.8 in
Brake Horsepower1 7/100 hp
Cutout Length41.5 in
Damper Size39 x 39 in
FeaturesAir Handling Quality Bearings Meet Minimum of L10-100,000 Hours, Features a Fully Rolled Windband Bead for Increased Stability and Easy Transport, Fresh Outside Air is Drawn in Under the Motor Cover to Maximize Motor Life, Nema 1 Junction Box Located in Motor Enclosure, Nonoverloading Centrifugal Wheel Design, Optional Nema 1 and 4 Disconnects Available
Housing Material FabricationSpun
IncludesNEMA 1 Junction Box
Maximum Inlet Air Temperature180 Degrees F
Noise Level @ 0.000 in SP @ 5 ft12.6 sones
Power SourceElectric Motor
Resistance PropertiesWeather Resistant
Sound LevelFan RPM 415: 12.6 sones @ 0.000 in SP and 5 ft, 11.9 sones @ 0.125 in SP and 5 ft, 11.3 sones @ 0.250 in SP and 5 ft, 10.6 sones @ 0.375 in SP and 5 ft, 10.0 sones @ 0.500 in SP and 5 ft, 9.4 sones @ 0.625 in SP and 5 ft, Fan RPM 465: 15.1 sones @ 0.000 in SP and 5 ft, 14.6 sones @ 0.125 in SP and 5 ft, 14.0 sones @ 0.250 in SP and 5 ft, 13.4 sones @ 0.375 in SP and 5 ft, 12.8 sones @ 0.500 in SP and 5 ft, 12.1 sones @ 0.625 in SP and 5 ft, 11.7 sones @ 0.750 in SP and 5 ft, Fan RPM 510: 17.7 sones @ 0.000 in SP and 5 ft, 17.2 sones @ 0.125 in SP and 5 ft, 16.6 sones @ 0.250 in SP and 5 ft, 16.1 sones @ 0.375 in SP and 5 ft, 15.6 sones @ 0.500 in SP and 5 ft, 15.0 sones @ 0.625 in SP and 5 ft, 14.4 sones @ 0.750 in SP and 5 ft, 14.0 sones @ 0.875 in SP and 5 ft, 13.9 sones @ 1.000 in SP and 5 ft, Fan RPM 590: 22.0 sones @ 0.000 in SP and 5 ft, 21.0 sones @ 0.125 in SP and 5 ft, 21.0 sones @ 0.250 in SP and 5 ft, 20.0 sones @ 0.375 in SP and 5 ft, 19.8 sones @ 0.500 in SP and 5 ft, 19.3 sones @ 0.625 in SP and 5 ft, 18.8 sones @ 0.750 in SP and 5 ft, 18.3 sones @ 0.875 in SP and 5 ft, 17.7 sones @ 1.000 in SP and 5 ft, 17.1 sones @ 1.250 in SP and 5 ft, Fan RPM 700: 28.0 sones @ 0.000 in SP and 5 ft, 27.0 sones @ 0.125 in SP and 5 ft, 27.0 sones @ 0.250 in SP and 5 ft, 27.0 sones @ 0.375 in SP and 5 ft, 27.0 sones @ 0.500 in SP and 5 ft, 26.0 sones @ 0.625 in SP and 5 ft, 26.0 sones @ 0.750 in SP and 5 ft, 25.0 sones @ 0.875 in SP and 5 ft, 25.0 sones @ 1.000 in SP and 5 ft, 24.0 sones @ 1.250 in SP and 5 ft, 23.0 sones @ 1.500 in SP and 5 ft, 22.0 sones @ 1.750 in SP and 5 ft
Speed ControllableSpeed Not Controllable
Country of OriginUnited States
(subject to change)
