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| No. of Blades | - |
| Bearing Type | Sealed Pillow Block |
| Country of Origin | USA |
| Sound Level | 10.0 sones @ 0.000 in SP and 5 ft 7.8 sones @ 0.625 in SP and 5 ft 8.4 sones @ 0.500 in SP and 5 ft 8.9 sones @ 0.375 in SP and 5 ft 9.4 sones @ 0.250 in SP and 5 ft 9.9 sones @ 0.125 in SP and 5 ft |
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No. of Blades |
- |
Bearing Type |
Sealed Pillow Block |
Country of Origin |
USA |
Sound Level |
10.0 sones @ 0.000 in SP and 5 ft 7.8 sones @ 0.625 in SP and 5 ft 8.4 sones @ 0.500 in SP and 5 ft 8.9 sones @ 0.375 in SP and 5 ft 9.4 sones @ 0.250 in SP and 5 ft 9.9 sones @ 0.125 in SP and 5 ft |
Included Components |
Drive Package with Motor |
Power Consumption |
- |
Current |
6.2/2.8 to 3.1 A |
Application |
Industrial and Commercial Applications |
Frequency |
60 Hz |
Phase |
1 |
Type of Product |
Centrifugal Downblast Roof Exhaust Fan |
Standard |
AMCA Sound and Air CSA UL/cUL 705 |
Item Code |
3HFL6 |
Speed |
1075 RPM |
Sweep Size |
- |
Color |
- |
Motor Speed |
1,725 RPM |
UNSPSC Code |
40101503 |
Features |
Air Handling Quality Bearings Meet Minimum of L10-100,000 Hours Features 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 |
No. Of Speeds |
1 |
Mount Type |
Roof Curb |
Nameplate Voltage |
115/208-230 V AC |
Overall Length |
28-3/8 inch |
Mounting Location |
Roof |
Housing Material |
Aluminum |
Overall Diameter |
28-3/8 inch |
Overall Height |
36-1/8 Inch |
Overall Width |
72.07 cm |
Damper Size |
19x19 inch |
Base Height |
4.4 cm |
Base Shape |
Square |
Housing Width |
28.4 inch |
Base Width |
66.04 cm |
Assembly |
Assembled |
Base Length |
26 inch |
Drive Type |
Belt Drive |
Motor Enclosure |
Open Dripproof |
Electrical Connections |
Power Cord |
Wheel Material |
Aluminchum |
Mounting Orientation |
Vertical |
Spark Resistant Construction Type |
A |
Maximum Ambient Temperature |
180 °F |
Air Type |
Clean Air |
High-Efficiency Motor |
No |
Brake Horsepower |
13/50 hp |
Wheel Type |
Backward inchclinched |
Housing Length |
28.4 inch |
Wheel Diameter |
14-3/4 inch |
Exhaust Airflow @ 0.000 in SP |
1,994 cfm |
Compatible Grainger Part Number |
2RB77 2ZV83 3C437 4C454 4HX40 4HX48 4HX66 |
Exhaust Airflow @ 0.125 in SP |
1,882 cfm |
Housing Material Fabrication |
Spun |
Exhaust Airflow @ 0.250 in SP |
1,771 cfm |
Horse Power |
1/4 hp |
Pressure Static |
5/8 inch wc |
Maximum Fan Speed |
1,075 RPM |
Maximum Inlet Air Temperature |
180 °F |
Exhaust Airflow @ 0.375 in SP |
1,647 cfm |
Exhaust Airflow @ 0.500 in SP |
1,490 cfm |
Overall Height (cm) |
91.68 cm |
Overall Height (mm) |
918.45 mm |
Overall Length (cm) |
72.09 cm |
Overall Width (mm) |
720.85 mm |
Overall Diameter (mm) |
720.65 mm |
Wheel Diameter (mm) |
374.65 mm |
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