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 28⅝ inch width, 18¼ inch height, 28⅝ inch length. This axial downblast roof exhaust fan has one phase, 60 Hz, is roof mountable, has one speed, is direct drive, 2,260 cfm @ 0.125 in SP air flow, and 28.6 inch diameter, and ½ horsepower.
Technical Specs
ItemRoof Exhaust Fan
AssemblyAssembled
Housing MaterialAluminum
For High-Static Pressure ApplicationsNot For High-Static Pressure Applications
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 Length28.6 in
Housing Width28.6 in
Includes MotorMotor Included
Motor TypeElectronically Commutated
Overall Diameter28.6 in
Safety FeaturesBird Screen
Mounting LocationRoof
Blade Diameter14 in
Exhaust Airflow @ 0.000 in SP2,422 cfm
High-Efficiency MotorHigh-Efficiency Motor
Motor EnclosureOpen Dripproof
Nameplate Voltage115V AC
Phase1
Number of Blades4
Base DiameterNot Applicable
Base ShapeSquare
Blade MaterialAluminum
Includes Drive PackageDrive Package Included
Overall Length28 5/8 in
Speed ControllableSpeed Controllable
Airflow @ 0.000 in SP2,422 cfm
Base Length22 in
Compatible Curb Manufacturer Part Number2RB76, 2ZV82, 4C453, 4C670, 4HX39, 4HX47
Current6.7 A
Cutout Size17.5 in L x 17.5 in W
Electrical ConnectionPower Cord
Exhaust Airflow @ 0.250 in SP2,050 cfm
Exhaust Airflow @ 0.500 in SP1,541 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: 7.5 sones @ 0.125 in SP and 5 ft, 8.4 sones @ 0.250 in SP and 5 ft, Fan RPM 1,725: 15.8 sones @ 0.125 in SP and 5 ft, 15.7 sones @ 0.250 in SP and 5 ft, Fan RPM 860: 4.2 sones @ 0.125 in SP and 5 ft, 5.5 sones @ 0.250 in SP and 5 ft
Country of OriginUnited States
(subject to change)