This axial downblast roof exhaust fan includes NEMA 1 junction box, and is made of aluminum. It features fully rolled baffle bead, galvanized steel venturi/inlet/supports, and measures 35¼ inch width, 19 inch height, 35¼ inch length. This axial downblast roof exhaust fan is designed for use with: industrial/commercial buildings. In addition, it is one-phase, 60 Hz, is roof mountable, has one speed, is direct drive, 2,928 cfm @ 0.125 in SP air flow, and 35.3 inch diameter, and ½ horsepower.
Technical Specs
ItemAxial Downblast Roof 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 SP3,068 cfm
Base ShapeSquare
Blade MaterialAluminum
Includes Drive PackageDrive Package Included
Overall Length35 1/4 in
Speed ControllableSpeed Controllable
Airflow @ 0.000 in SP3,068 cfm
Base Height1 3/4 in
Blade DesignSwept Steeply Pitched
Compatible Curb Manufacturer Part Number2RB77, 2ZV83, 3C437, 4C454, 4HX40, 4HX48
Current6.0/3.0 A
Cutout Size21.5 in L x 21.5 in W
Electrical ConnectionPower Cord
Exhaust Airflow @ 0.250 in SP2,771 cfm
Exhaust Airflow @ 0.500 in SP2,339 cfm
Frequency60 Hz
Housing Material FabricationSpun
IncludesNEMA 1 Junction Box
Maximum Fan Speed1,750 RPM
Mount TypeRoof Curb
Power Consumption480 W
Safety FeaturesBirdscreen
Mounting LocationRoof
Blade Diameter16 in
Exhaust Airflow @ 0.000 in SP3,068 cfm
High-Efficiency MotorNo High-Efficiency Motor
Motor EnclosureOpen Dripproof
Nameplate Voltage115/230V AC
Phase1
Number of Blades4
Base Width26 in
For Air TypeClean Air
Drive TypeDirect Drive
Overall Height19 in
Overall Width35 1/4 in
StandardsAMCA Sound and Air, UL/cUL 705
ApplicationIndustrial and Commercial Buildings
Base Length26 in
Brake Horsepower12/25 hp
Compatible Speed Control48C172
Cutout Length21.5 in
Damper Size19 x 19 in
Exhaust Airflow @ 0.125 in SP2,928 cfm
Exhaust Airflow @ 0.375 in SP2,590 cfm
FeaturesFully Rolled Baffle Bead for Stability and Ease of Transport With Spun Aluminum Hood Construction, Galvanized Steel Venturi, Inlet and Supports, NEMA 1 Junction Box Located in Motor Enclosure
Housing Length35.3 in
Housing Width35.3 in
Includes MotorMotor Included
Motor LocationIn Airstream
Overall Diameter35.3 in
Propeller Shaft Diameter1/2 in
Sound Level15.2 sones @ 0.625 in SP and 5 ft, 15.5 sones @ 0.500 in SP and 5 ft, 15.7 sones @ 0.375 in SP and 5 ft, 16.1 sones @ 0.250 in SP and 5 ft, 17.1 sones @ 0.125 in SP and 5 ft, 17.1 sones @ 1.250 in SP and 5 ft, 17.9 sones @ 0.000 in SP and 5 ft, 21.0 sones @ 1.000 in SP and 5 ft, 24.0 sones @ 0.875 in SP and 5 ft, 25.0 sones @ 0.750 in SP and 5 ft
Country of OriginUnited States
(subject to change)