This axial downblast roof exhaust fan includes NEMA 1 junction box, motor, drive package, and is made of aluminum. It features fully rolled baffle bead, galvanized steel venturi/inlet/supports, and measures 28⅝ inch width, 18¼ inch height, 28⅝ inch length. This 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, 1,437 cfm @ 0.125 in SP air flow, and 28.6 inch diameter, and ¼ horsepowe
Technical Specs
ItemAxial Downblast Roof Exhaust Fan
AssemblyAssembled
Housing MaterialAluminum
For High-Static Pressure ApplicationsNot For High-Static Pressure Applications
Maximum Static Pressure7/8 in wc
Motor Horsepower1/4 hp
Number of Speeds1
Maximum Inlet Air Temperature120 Degrees F
Supply Airflow @ 0.000 in SP1,556 cfm
Base ShapeSquare
Blade MaterialAluminum
Includes Drive PackageDrive Package Included
Overall Length28 5/8 in
Speed ControllableSpeed Controllable
Airflow @ 0.000 in SP1,556 cfm
Base Height1 3/4 in
Blade DesignSwept Steeply Pitched
Compatible Curb Manufacturer Part Number2RB76, 2ZV82, 4C453, 4C670, 4HX39, 4HX47
Current4.2 A
Cutout Size17.5 in L x 17.5 in W
Electrical ConnectionPower Cord
Exhaust Airflow @ 0.250 in SP1,291 cfm
Exhaust Airflow @ 0.500 in SP672 cfm
Frequency60 Hz
Housing Material FabricationSpun
IncludesNEMA 1 Junction Box
Maximum Fan Speed1,750 RPM
Mount TypeRoof Curb
Power Consumption224 W
Safety FeaturesBirdscreen
Mounting LocationRoof
Blade Diameter12 in
Exhaust Airflow @ 0.000 in SP1,556 cfm
High-Efficiency MotorNo High-Efficiency Motor
Motor EnclosureOpen Air Over
Nameplate Voltage115V AC
Phase1
Number of Blades4
Base Width22 in
For Air TypeClean Air
Drive TypeDirect Drive
Overall Height18 1/4 in
Overall Width28 5/8 in
StandardsAMCA Sound and Air, UL/cUL 705
ApplicationIndustrial and Commercial Buildings
Base Length22 in
Brake Horsepower19/100 hp
Compatible Speed Control48C173
Cutout Length17.5 in
Damper Size15 x 15 in
Exhaust Airflow @ 0.125 in SP1,437 cfm
Exhaust Airflow @ 0.375 in SP1,055 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 Length28.6 in
Housing Width28.6 in
Includes MotorMotor Included
Motor LocationIn Airstream
Overall Diameter28.6 in
Propeller Shaft Diameter1/2 in
Sound Level10.5 sones @ 0.375 in SP and 5 ft, 14.5 sones @ 0.500 in SP and 5 ft, 15.0 sones @ 0.625 in SP and 5 ft, 15.7 sones @ 0.750 in SP and 5 ft, 16.6 sones @ 0.875 in SP and 5 ft, 8.8 sones @ 0.125 in SP and 5 ft, 8.9 sones @ 0.250 in SP and 5 ft, 9.0 sones @ 0.000 in SP and 5 ft
Country of OriginUnited States
(subject to change)