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 21¾ inch width, 16⅜ inch height, 21¾ 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 three speeds, is direct drive, 969 cfm @ 0.125 in SP air flow, and 21¾ inch diameter, and ⅛ horsepower.
Technical Specs
ItemCentrifugal Downblast Roof Exhaust Fan
AssemblyAssembled
Base Length19 in
Base ShapeSquare
Phase1
Exhaust Airflow @ 0.000 in SP1,059 cfm
High-Efficiency MotorNo High-Efficiency Motor
Includes Drive PackageDrive Package Included
Mounting LocationRoof
Exhaust Airflow @ 0.500 in SP623 cfm
Housing MaterialAluminum
Motor EnclosureOpen Air Over
Overall Diameter21 3/4 in
Overall Length21 3/4 in
Airflow @ 0.000 in SP1,059 cfm
Base Height1 3/4 in
Compatible Curb Manufacturer Part Number2RB75, 2ZV82, 4C453, 4C670, 4HX38, 4HX46
Current2.6/2.3/1.4 A
Cutout Size14.5 in L x 14.5 in W
Electrical ConnectionPower Cord
Exhaust Airflow @ 0.250 in SP863 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 Length21.8 in
Housing Width21.8 in
Maximum Ambient Temperature130 Degrees F
Maximum Inlet Air Temperature130 Degrees F
Motor Speed1,550 RPM
Mount TypeRoof Curb
Safety FeaturesBirdscreen, Windband
Spark Resistant Construction TypeA
Wheel TypeBackward Inclined
Drive TypeDirect Drive
Wheel Diameter10 1/2 in
Base Width19 in
Nameplate Voltage115V AC
Motor Horsepower1/8 hp
For High-Static Pressure ApplicationsNot For High-Static Pressure Applications
For Air TypeClean Air
Includes MotorMotor Included
Maximum Static Pressure5/8 in wc
Wheel MaterialAluminum
Number of Speeds3
StandardsAMCA Sound and Air, CSA, UL/cUL 705
Overall Height16 3/8 in
Overall Width21 3/4 in
ApplicationIndustrial and Commercial Buildings
Brake Horsepower1/25 hp
Compatible Speed Control48C172
Cutout Length14.5 in
Damper Size12 x 12 in
Exhaust Airflow @ 0.125 in SP969 cfm
Exhaust Airflow @ 0.375 in SP745 cfm
Frequency60 Hz
Housing Material FabricationSpun
IncludesNEMA 1 Junction Box
Maximum Fan Speed1,550 RPM
Motor LocationOut of Airstream
Mounting OrientationVertical
Propeller Shaft Diameter1/2 in
Sound Level4.5 sones @ 0.125 in SP and 5 ft, 4.5 sones @ 0.250 in SP and 5 ft, Fan RPM 1300: 7.6 sones @ 0.000 in SP and 5 ft, 6.7 sones @ 0.125 in SP and 5 ft, 6.4 sones @ 0.250 in SP and 5 ft, 6.4 sones @ 0.375 in SP and 5 ft, 6.8 sones @ 0.500 in SP and 5 ft, Fan RPM 1050: 5.4 sones @ 0.000 in SP and 5 ft, Fan RPM 1550: 9.6 sones @ 0.000 in SP and 5 ft, 9.3 sones @ 0.125 in SP and 5 ft, 8.8 sones @ 0.250 in SP and 5 ft, 8.7 sones @ 0.375 in SP and 5 ft, 8.7 sones @ 0.500 in SP and 5 ft, 8.7 sones @ 0.625 in SP and 5 ft
Speed ControllableSpeed Controllable
Country of OriginUnited States
(subject to change)
