This exhaust fan includes NEMA 1 junction box, and is made of aluminum. It features a fully rolled windband bead for increased stability and easy transport, fresh outside air, 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 variable speeds, is direct drive, 2,797 cfm @ 0.125 in SP air flow, 28⅜ inch diameter, and ¾ horsepower.
Technical Specs
ItemCentrifugal Downblast Roof Exhaust Fan
AssemblyAssembled
Base Length26 in
Base ShapeSquare
Phase1
Exhaust Airflow @ 0.000 in SP2,412 cfm
High-Efficiency MotorHigh-Efficiency Motor
Includes Drive PackageDrive Package Included
Mounting LocationRoof
Exhaust Airflow @ 0.500 in SP2,566 cfm
Housing MaterialAluminum
StandardsAMCA Sound and Air, UL/cUL 705
Overall Height25 1/2 in
Overall Width28 3/8 in
ApplicationIndustrial and Commercial Buildings
Brake Horsepower6/25 hp
Compatible Speed Control43Y140
Cutout Length21.5 in
Damper Size19 x 19 in
Exhaust Airflow @ 0.125 in SP2,797 cfm
Exhaust Airflow @ 0.375 in SP2,644 cfm
Frequency60 Hz
Housing Material FabricationSpun
IncludesNEMA 1 Junction Box
Maximum Fan Speed1,550 RPM
Motor TypeElectronically Commutated
Mount TypeRoof Curb
Safety FeaturesBirdscreen, Windband
Spark Resistant Construction TypeA
Wheel TypeBackward Inclined
Drive TypeDirect Drive
Wheel Diameter14 3/4 in
Base Width26 in
Nameplate Voltage115V 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 1/2 in wc
Wheel MaterialAluminum
Number of SpeedsVariable
Overall Diameter28 3/8 in
Overall Length28 3/8 in
Airflow @ 0.000 in SP2,875 cfm
Base Height1 3/4 in
Compatible Curb Manufacturer Part Number2RB77, 2ZV83, 3C437, 4C454, 4HX40, 4HX48
Current10.6 A
Cutout Size21.5 in L x 21.5 in W
Electrical ConnectionPower Cord
Exhaust Airflow @ 0.250 in SP2,719 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, High-Efficiency Brushless Dc Motor, Motor Features Potentiometer Dial for Speed Adjustment, 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
Mounting OrientationVertical
Propeller Shaft Diameter5/8 in
Sound Level9.4 sones @ 0.125 in SP and 5 ft, 9.0 sones @ 0.250 in SP and 5 ft, 8.5 sones @ 0.375 in SP and 5 ft, 8.0 sones @ 0.500 in SP and 5 ft, 7.3 sones @ 0.625 in SP and 5 ft, Fan RPM 1050: 9.5 sones @ 0.000 in SP and 5 ft, Fan RPM 1300: 13.5 sones @ 0.000 in SP and 5 ft, 13.2 sones @ 0.125 in SP and 5 ft, 12.9 sones @ 0.250 in SP and 5 ft, 12.5 sones @ 0.375 in SP and 5 ft, 12.0 sones @ 0.500 in SP and 5 ft, 11.5 sones @ 0.625 in SP and 5 ft, 11.0 sones @ 0.750 in SP and 5 ft, 10.5 sones @ 0.875 in SP and 5 ft, 9.8 sones @ 1.000 in SP and 5 ft, Fan RPM 1550: 17.7 sones @ 0.000 in SP and 5 ft, 18.0 sones @ 0.125 in SP and 5 ft, 17.4 sones @ 0.250 in SP and 5 ft, 17.2 sones @ 0.375 in SP and 5 ft, 16.8 sones @ 0.500 in SP and 5 ft, 16.0 sones @ 0.625 in SP and 5 ft, 15.0 sones @ 0.750 in SP and 5 ft, 14.8 sones @ 0.875 in SP and 5 ft, 14.8 sones @ 1.000 in SP and 5 ft, 14.8 sones @ 1.250 in SP and 5 ft, 14.9 sones @ 1.500 in SP and 5 ft
Speed ControllableSpeed Controllable
Country of OriginUnited States
(subject to change)
