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| Type of Product | Axial Downblast Roof Supply Fan |
| Country of Origin | USA |
| Color | - |
| Housing Material | Aluminum |
Type of Product |
Axial Downblast Roof Supply Fan |
Country of Origin |
USA |
Color |
- |
Housing Material |
Aluminum |
Blade Material |
Aluminum |
Overall Length |
28-5/8 inch |
Mounting Location |
Roof and Wall |
Overall Diameter |
28.6 inch |
Overall Height |
18-1/4 Inch |
Part No |
4YC91 |
Overall Width |
72.71 cm |
Item Code |
4YC91 |
Includes |
NEMA 1 Junction Box |
No. of Blades |
4 |
UNSPSC Code |
40101501 |
Standard |
Amca Sound And Air Ul/Cul 705 |
Blade Diameter |
12 inch |
Phase |
Single Phase |
Frequency |
60 Hz |
Current |
4.2 A |
Nameplate Voltage |
115 V AC |
Motor Enclosure |
Open Air Over |
No. Of Speeds |
1 |
Base Height |
4.4 cm |
Base Width |
55.88 cm |
Base Length |
22 inch |
Housing Material Fabrication |
Spun |
Maximum Inlet Air Temperature |
120 °F |
Housing Length |
28.6 inch |
Motor Location |
inch Airstream |
Pressure Static |
3/8 inch wc |
Housing Width |
28.6 inch |
Compatible Grainger Part Number |
4HX65 |
Mount Type |
Roof Curb |
Brake Horsepower |
7/100 HP |
Application |
Industrial and Commercial Applications |
Maximum Fan Speed |
1750 RPM |
Damper Size |
15 x 15 inch |
Features |
Fully Rolled Baffle Bead for Stability and Ease of Transport With Spun Aluminum Hood Construction Galvanized Steel Venturi, Inlet and Supports NEMA 1 Junction Box Located in Motor Enclosure |
Air Type |
Clean Air |
Base Shape |
Square |
Included Components |
Drive Package with Motor |
Power Consumption |
- |
High-Efficiency Motor |
No |
Sweep Size |
- |
Power |
1/4 HP |
Drive Type |
Direct Drive |
Supply Airflow @ 0.375 in SP |
415 cfm |
Supply Airflow @ 0.250 in SP |
594 cfm |
Supply Airflow @ 0.125 in SP |
812 cfm |
Sound Level |
12.6 sones @ 0.375 in SP 14.3 sones @ 0.250 in SP and 5 ft 8.9 sones @ 0.125 in SP and 5 ft 9.6 sones @ 0.000 in SP and 5 ft |
Supply Airflow @ 0.500 in SP |
261 cfm |
Supply Airflow @ 0.000 in SP |
929 cfm |
Compatible part number |
2RB76 2ZV82 4C453 4C670 4HX39 4HX47 |
Overall Height (cm) |
46.35 cm |
Overall Height (mm) |
463.55 mm |
Overall Length (cm) |
72.72 cm |
Overall Width (mm) |
727.2 mm |
Overall Diameter (mm) |
726.44 mm |
Blade Diameter (mm) |
304.80 mm |
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