This exhaust fan includes NEMA 1 junction box, and is made of aluminum. It features a fully rolled windband bead, fresh outside air is drawn in under the motor cover, and measures 35½ inch width, 29¾ inch height, 35½ inch length. This exhaust fan is designed for use with: industrial/commercial buildings. In addition, it is three-phase, 60 Hz, is roof mountable, has one speed, is direct drive, 4,329 cfm @ 0.125 in SP air flow, 35½ inch diameter, and ¾ horsepower.
Technical Specs
ItemCentrifugal Downblast Roof Exhaust Fan
AssemblyAssembled
Base Length30 in
Base ShapeSquare
Phase3
Exhaust Airflow @ 0.000 in SP4,433 cfm
High-Efficiency MotorNo High-Efficiency Motor
Includes Drive PackageDrive Package Included
Mounting LocationRoof
Exhaust Airflow @ 0.500 in SP3,980 cfm
Housing MaterialAluminum
Motor EnclosureOpen Dripproof
Overall Diameter35 1/2 in
Overall Length35 1/2 in
Airflow @ 0.000 in SP4,433 cfm
Base Height1 3/4 in
Compatible Curb Manufacturer Part Number2RB79, 2ZV83, 3C437, 4C454, 4HX41, 4HX49
Cutout Length21.5 in
Damper Size23 x 23 in
Exhaust Airflow @ 0.125 in SP4,329 cfm
Exhaust Airflow @ 0.375 in SP4,102 cfm
Frequency60 Hz
Housing Material FabricationSpun
IncludesNEMA 1 Junction Box
Maximum Fan Speed1,140 RPM
Motor Speed1,140 RPM
Mount TypeRoof Curb
Safety FeaturesBirdscreen, Windband
Spark Resistant Construction TypeA
Wheel TypeBackward Inclined
Drive TypeDirect Drive
Wheel Diameter18 in
Base Width30 in
Nameplate Voltage208 to 230/460V AC
Motor Horsepower3/4 hp
For High-Static Pressure ApplicationsNot For High-Static Pressure Applications
For Air TypeClean Air
Includes MotorMotor Included
Maximum Static Pressure1 1/4 in wc
Wheel MaterialAluminum
Number of Speeds1
StandardsAMCA Sound and Air, CSA, UL/cUL 705
Overall Height29 3/4 in
Overall Width35 1/2 in
ApplicationIndustrial and Commercial Buildings
Brake Horsepower49/50 hp
Current2.8 to 2.8/1.4 A
Cutout Size21.5 in L x 21.5 in W
Electrical ConnectionPower Cord
Exhaust Airflow @ 0.250 in SP4,216 cfm
FeaturesFeatures a Fully Rolled Windband Bead for Increased Stability and Easy Transport, Fresh Outside Air is Drawn in Under the Motor Cover to Maximize Motor Life, Nema 1 Junction Box Located in Motor Enclosure, Nonoverloading Centrifugal Wheel Design, Optional Nema 1 and 4 Disconnects Available
Housing Length35.5 in
Housing Width35.5 in
Maximum Ambient Temperature130 Degrees F
Maximum Inlet Air Temperature130 Degrees F
Mounting OrientationVertical
Propeller Shaft Diameter5/8 in
Sound Level13.6 sones @ 1.250 in SP and 5 ft, 14.3 sones @ 1.000 in SP and 5 ft, 14.6 sones @ 0.875 in SP and 5 ft, 15.1 sones @ 0.750 in SP and 5 ft, 15.6 sones @ 0.625 in SP and 5 ft, 16.0 sones @ 0.500 in SP and 5 ft, 16.4 sones @ 0.375 in SP and 5 ft, 16.8 sones @ 0.250 in SP and 5 ft, 17.4 sones @ 0.125 in SP and 5 ft, 17.9 sones @ 0.000 in SP and 5 ft
Speed ControllableSpeed Not Controllable
Country of OriginUnited States
(subject to change)