This axial downblast roof exhaust fan includes NEMA 1 junction box, variable speed UL recognized motor, and is made of aluminum. It features fully rolled baffle bead for stability and ease of transport with spun aluminum hood, and more and measures 35¼ inch width, 19 inch height, 35¼ inch length. This axial downblast roof exhaust fan has one phase, 60 Hz, is roof mountable, has one speed, is direct drive, 2,881 cfm @ 0.125 in SP air flow, and 35.3 inch diameter, and ½ horsepower.
Technical Specs
ItemRoof Exhaust Fan
AssemblyAssembled
Housing MaterialAluminum
For High-Static Pressure ApplicationsNot For High-Static Pressure Applications
Maximum Static Pressure1 1/4 in wc
Motor Horsepower1/2 hp
Number of Speeds1
Maximum Inlet Air Temperature120 Degrees F
Supply Airflow @ 0.000 in SP3,024 cfm
Base ShapeSquare
Blade MaterialAluminum
Includes Drive PackageDrive Package Included
Overall Length35 1/4 in
Speed ControllableSpeed Controllable
Airflow @ 0.000 in SP3,024 cfm
Base Length26 in
Compatible Curb Manufacturer Part Number2RB77, 2ZV83, 3C437, 4C454, 4HX40, 4HX48
Current6.7 A
Cutout Size21.5 in L x 21.5 in W
Electrical ConnectionPower Cord
Exhaust Airflow @ 0.250 in SP2,722 cfm
Exhaust Airflow @ 0.500 in SP2,280 cfm
Frequency60 Hz
Housing Material FabricationSpun
IncludesNEMA 1 Junction Box, Variable Speed UL Recognized Motor
Maximum Fan Speed1,725 RPM
Mount TypeRoof Curb
Propeller Shaft Diameter1/2 in
Sound LevelFan RPM 1,140: 9.0 sones @ 0.125 in SP and 5 ft, 8.4 sones @ 0.250 in SP and 5 ft, Fan RPM 1,725: 16.6 sones @ 0.125 in SP and 5 ft, 15.7 sones @ 0.250 in SP and 5 ft, Fan RPM 860: 4.1 sones @ 0.125 in SP and 5 ft, 6.0 sones @ 0.250 in SP and 5 ft
FeaturesFully Rolled Baffle Bead for Stability and Ease of Transport with Spun Aluminum Hood Construction, Galvanized Steel Venturi, Inlet and Supports, Motor Accepts An External 0-10V DC Control Signal, NEMA 1 Junction Box Located in Motor Enclosure
Housing Length35.3 in
Housing Width35.3 in
Includes MotorMotor Included
Motor TypeElectronically Commutated
Overall Diameter35.3 in
Safety FeaturesBird Screen
Country of OriginUnited States
(subject to change)