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 28⅜ inch width, 25½ inch height, 28⅜ 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, 1,731 cfm @ 0.125 in SP air flow, 28⅜ inch diameter, and 1/3 horsepower.
Technical Specs
ItemCentrifugal Downblast Roof Exhaust Fan
AssemblyAssembled
Base Length26 in
Base ShapeSquare
Phase1
Exhaust Airflow @ 0.000 in SP1,813 cfm
High-Efficiency MotorNo High-Efficiency Motor
Includes Drive PackageDrive Package Included
Mounting LocationRoof
Exhaust Airflow @ 0.500 in SP1,471 cfm
Housing MaterialAluminum
Motor EnclosureOpen Dripproof
Overall Diameter28 3/8 in
Overall Length28 3/8 in
Airflow @ 0.000 in SP1,813 cfm
Base Height1 3/4 in
Compatible Curb Manufacturer Part Number2RB77, 2ZV83, 3C437, 4C454, 4HX40, 4HX48
Current4.7 A
Cutout Size21.5 in L x 21.5 in W
Electrical ConnectionPower Cord
Exhaust Airflow @ 0.250 in SP1,648 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 Length28.4 in
Housing Width28.4 in
Maximum Ambient Temperature130 Degrees F
Maximum Inlet Air Temperature130 Degrees F
Motor Speed1,100 RPM
Mount TypeRoof Curb
Safety FeaturesBirdscreen, Windband
Spark Resistant Construction TypeA
Wheel TypeBackward Inclined
Drive TypeDirect Drive
Wheel Diameter16 3/4 in
Base Width26 in
Nameplate Voltage115V AC
Motor Horsepower1/3 hp
For High-Static Pressure ApplicationsFor High-Static Pressure Applications
For Air TypeClean Air
Includes MotorMotor Included
Maximum Static Pressure1 in wc
Wheel MaterialAluminum
Number of Speeds1
StandardsAMCA Sound and Air, CSA, UL/cUL 705
Overall Height25 1/2 in
Overall Width28 3/8 in
ApplicationIndustrial and Commercial Buildings
Brake Horsepower3/10 hp
Compatible Speed Control48C172
Cutout Length21.5 in
Damper Size19 x 19 in
Exhaust Airflow @ 0.125 in SP1,731 cfm
Exhaust Airflow @ 0.375 in SP1,562 cfm
Frequency60 Hz
Housing Material FabricationSpun
IncludesNEMA 1 Junction Box
Maximum Fan Speed1,140 RPM
Motor LocationOut of Airstream
Mounting OrientationVertical
Propeller Shaft Diameter1/2 in
Sound Level10.4 sones @ 0.250 in SP and 5 ft, 10.8 sones @ 0.125 in SP and 5 ft, 11.2 sones @ 0.000 in SP and 5 ft, 9.5 sones @ 0.625 in SP and 5 ft, 9.5 sones @ 0.750 in SP and 5 ft, 9.5 sones @ 0.875 in SP and 5 ft, 9.6 sones @ 0.500 in SP and 5 ft, 9.7 sones @ 1.000 in SP and 5 ft, 9.9 sones @ 0.375 in SP and 5 ft
Speed ControllableSpeed Controllable
Country of OriginUnited States
(subject to change)
