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 more and measures 42 inch width, 19¼ inch height, 42 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, 4,703 cfm @ 0.125 in SP air flow, 42 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 in wc
Motor Horsepower1/2 hp
Number of Speeds1
Maximum Inlet Air Temperature120 Degrees F
Supply Airflow @ 0.000 in SP5,091 cfm
Base ShapeSquare
Blade MaterialAluminum
Includes Drive PackageDrive Package Included
Overall Length42 in
Speed ControllableSpeed Controllable
Airflow @ 0.000 in SP5,091 cfm
Base Height1 3/4 in
Blade DesignSwept Steeply Pitched
Compatible Curb Manufacturer Part Number2RB80, 2ZV84, 3C438, 4C455, 4HX42, 4HX50
Current5.4/2.7 A
Cutout Size29.5 in L x 29.5 in W
Electrical ConnectionPower Cord
Exhaust Airflow @ 0.250 in SP4,277 cfm
Exhaust Airflow @ 0.500 in SP3,279 cfm
Frequency60 Hz
Housing Material FabricationSpun
IncludesNEMA 1 Junction Box
Maximum Fan Speed1,140 RPM
Mount TypeRoof Curb
Power Consumption639 W
Safety FeaturesBirdscreen
Mounting LocationRoof
Blade Diameter24 in
Exhaust Airflow @ 0.000 in SP5,091 cfm
High-Efficiency MotorNo High-Efficiency Motor
Motor EnclosureOpen Air Over
Nameplate Voltage115/230V AC
Phase1
Number of Blades4
Base Width34 in
For Air TypeClean Air
Drive TypeDirect Drive
Overall Height19 1/4 in
Overall Width42 in
StandardsAMCA Sound and Air, UL/cUL 705
ApplicationIndustrial and Commercial Buildings
Base Length34 in
Brake Horsepower67/100 hp
Compatible Speed Control48C172
Cutout Length29.5 in
Damper Size27 x 27 in
Exhaust Airflow @ 0.125 in SP4,703 cfm
Exhaust Airflow @ 0.375 in SP3,813 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 Length42 in
Housing Width42 in
Includes MotorMotor Included
Motor LocationIn Airstream
Overall Diameter42 in
Propeller Shaft Diameter5/8 in
Sound Level13.4 sones @ 0.375 in SP and 5 ft, 13.6 sones @ 0.250 in SP and 5 ft, 13.9 sones @ 0.125 in SP and 5 ft, 17.0 sones @ 0.500 in SP and 5 ft, 17.2 sones @ 0.000 in SP and 5 ft, 20.0 sones @ 0.875 in SP and 5 ft, 21.0 sones @ 0.625 in SP and 5 ft, 21.0 sones @ 0.750 in SP and 5 ft, 21.0 sones @ 1.000 in SP and 5 ft
Country of OriginUnited States
(subject to change)