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, 701 cfm @ 0.125 in SP air flow, and 21¾ inch diameter, and 1/15 horsepower.
Technical Specs
ItemCentrifugal Downblast Roof Exhaust Fan
AssemblyAssembled
Base Length19 in
Base ShapeSquare
Phase1
Exhaust Airflow @ 0.000 in SP768 cfm
High-Efficiency MotorNo High-Efficiency Motor
Includes Drive PackageDrive Package Included
Mounting LocationRoof
Exhaust Airflow @ 0.500 in SP473 cfm
Housing MaterialAluminum
Motor EnclosureOpen Dripproof
Overall Diameter21 3/4 in
Overall Length21 3/4 in
Airflow @ 0.000 in SP768 cfm
Base Height1 3/4 in
Compatible Curb Manufacturer Part Number2RB75, 2ZV82, 4C453, 4C670, 4HX38, 4HX46
Current1.48/1.82/2.44 A
Cutout Size14.5 in L x 14.5 in W
Exhaust Airflow @ 0.125 in SP701 cfm
Exhaust Airflow @ 0.375 in SP557 cfm
Frequency60 Hz
Housing Material FabricationSpun
IncludesNEMA 1 Junction Box
Maximum Fan Speed1,500 RPM
Motor Speed1,550 RPM
Mount TypeRoof Curb
Safety FeaturesBirdscreen, Windband
Spark Resistant Construction TypeA
Wheel TypeBackward Inclined
Drive TypeDirect Drive
Wheel Diameter8 in
Base Width19 in
Nameplate Voltage115V AC
Motor Horsepower1/15 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 Horsepower1/50 hp
Compatible Speed Control48C172
Cutout Length14.5 in
Electrical ConnectionPower Cord
Exhaust Airflow @ 0.250 in SP633 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
Mounting OrientationVertical
Propeller Shaft Diameter1/2 in
Sound Level3.9 sones @ 0.125 in SP and 5 ft, 4.2 sones @ 0.250 in SP and 5 ft, Fan RPM 1050: 4.0 sones @ 0.000 in SP and 5 ft, Fan RPM 1300: 5.4 sones @ 0.000 in SP and 5 ft, 5.4 sones @ 0.125 in SP and 5 ft, 5.5 sones @ 0.250 in SP and 5 ft, 5.6 sones @ 0.375 in SP and 5 ft, Fan RPM 1550: 7.6 sones @ 0.000 in SP and 5 ft, 7.5 sones @ 0.125 in SP and 5 ft, 7.4 sones @ 0.250 in SP and 5 ft, 7.4 sones @ 0.375 in SP and 5 ft, 7.4 sones @ 0.500 in SP and 5 ft, 7.8 sones @ 0.625 in SP and 5 ft
Speed ControllableSpeed Controllable
Country of OriginUnited States
(subject to change)