This centrifugal downblast roof exhaust fan includes NEMA 1 junction box, and is made of aluminum. It features high-efficiency brushless DC motor, NEMA 1 junction box located in motor enclosure and measures 24⅜ inch width, 25½ inch height, 24⅜ inch length, and it is not speed controllable. This centrifugal downblast roof exhaust fan has one phase, 60 Hz, is roof mountable, has variable speeds, is direct drive, and 24⅜ inch diameter, and ½ horsepower.
Technical Specs
ItemCentrifugal Downblast Roof Exhaust Fan
AssemblyAssembled
Base Length22 in
Base ShapeSquare
Phase1
Exhaust Airflow @ 0.000 in SP1,098 cfm
High-Efficiency MotorHigh-Efficiency Motor
Includes Drive PackageDrive Package Included
Mounting LocationRoof
Exhaust Airflow @ 0.500 in SP1,008 cfm
Housing MaterialAluminum
Motor EnclosureOpen Dripproof
Overall Diameter24 3/8 in
Overall Length24 3/8 in
Airflow @ 0.000 in SP1,098 cfm
Brake Horsepower7/100 hp
Compatible Speed Control43Y140
Cutout Length14.5 in
Damper Size15 x 15 in
FeaturesHigh-Efficiency Brushless DC Motor, NEMA 1 Junction Box Located in Motor Enclosure, Nonoverloading Centrifugal Wheel Design, Optional NEMA 1 and 4 Disconnects Available
Housing Length24.4 in
Housing Width24.4 in
Maximum Ambient Temperature130 Degrees F
Maximum Inlet Air Temperature130 Degrees F
Mounting OrientationVertical
Propeller Shaft Diameter1/2 in
Speed ControllableSpeed Controllable
Drive TypeDirect Drive
Wheel Diameter11 in
Base Width22 in
Nameplate Voltage115V AC
Motor Horsepower1/2 hp
For High-Static Pressure ApplicationsFor High-Static Pressure Applications
For Air TypeClean Air
Includes MotorMotor Included
Maximum Static Pressure2 1/4 in wc
Wheel MaterialAluminum
Number of SpeedsVariable
StandardsAMCA Sound and Air, UL/cUL 705
Overall Height25 1/2 in
Overall Width24 3/8 in
Base Height1 3/4 in
Compatible Curb Manufacturer Part Number2RB76, 2ZV82, 4C453, 4C670, 4HX39, 4HX47
Current6.9 A
Cutout Size14.5 in L x 14.5 in W
Electrical ConnectionPower Cord
Frequency60 Hz
Housing Material FabricationSpun
IncludesNEMA 1 Junction Box
Maximum Fan Speed2,500 RPM
Motor TypeElectronically Commutated
Mount TypeRoof Curb
Sound LevelFan RPM 1300: 6.7 sones @ 0.000 in SP and 5 ft, 6.2 sones @ 0.125 in SP and 5 ft, 5.8 sones @ 0.250 in SP and 5 ft, 5.5 sones @ 0.375 in SP and 5 ft, 5.3 sones @ 0.500 in SP and 5 ft, 5.0 sones @ 0.625 in SP and 5 ft, Fan RPM 1725: 11.5 sones @ 0.000 in SP and 5 ft, 11.1 sones @ 0.125 in SP and 5 ft, 10.7 sones @ 0.250 in SP and 5 ft, 10.6 sones @ 0.375 in SP and 5 ft, 10.7 sones @ 0.500 in SP and 5 ft, 10.6 sones @ 0.625 in SP and 5 ft, 10.1 sones @ 0.750 in SP and 5 ft, 9.9 sones @ 0.875 in SP and 5 ft, 10.1 sones @ 1.000 in SP and 5 ft, Fan RPM 2500: 17.8 sones @ sones @ 0.000 in SP and 5 ft, 17.5 sones @ 0.125 in SP and 5 ft, 17.3 sones @ 0.250 in SP and 5 ft, 17.1 sones @ 0.375 in SP and 5 ft, 16.9 sones @ 0.500 in SP and 5 ft, 16.7 sones @ 0.625 in SP and 5 ft, 16.5 sones @ 0.750 in SP and 5 ft, 16.1 sones @ 0.875 in SP and 5 ft, 15.9 sones @ 1.000 in SP and 5 ft, 15.6 sones @ 1.250 in SP and 5 ft, 14.8 sones @ 1.500 in SP and 5 ft, 15.2 sones @ 1.750 in SP and 5 ft, 15.7 sones @ 2.000 in SP and 5 ft, 16.8 sones @ 2.250 in SP and 5 ft
Wheel TypeBackward Inclined
Country of OriginUnited States
(subject to change)