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| No. of Blades | - |
| Country of Origin | USA |
| Sound Level | Fan RPM 1050: 2.7 sones @ 0.000 in SP and 5 ft, 1.5 sones @ 0.125 in SP and 5 ft Fan RPM 1300: 4.1 sones @ 0.000 in SP and 5 ft, 3.3 sones @ 0.125 in SP and 5 ft, 2.6 sones @ 0.250 in SP and 5 ft Fan RPM 1550: 5.6 sones @ 0.000 in SP and 5 ft, 5.2 sones @ 0.125 in SP and 5 ft, 4.7 sones @ 0.250 in SP and 5 ft, 4.1 sones @ 0.375 in SP and 5 ft |
| Included Components | Drive Package with Motor |
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No. of Blades |
- |
Country of Origin |
USA |
Sound Level |
Fan RPM 1050: 2.7 sones @ 0.000 in SP and 5 ft, 1.5 sones @ 0.125 in SP and 5 ft Fan RPM 1300: 4.1 sones @ 0.000 in SP and 5 ft, 3.3 sones @ 0.125 in SP and 5 ft, 2.6 sones @ 0.250 in SP and 5 ft Fan RPM 1550: 5.6 sones @ 0.000 in SP and 5 ft, 5.2 sones @ 0.125 in SP and 5 ft, 4.7 sones @ 0.250 in SP and 5 ft, 4.1 sones @ 0.375 in SP and 5 ft |
Included Components |
Drive Package with Motor |
Power Consumption |
- |
Current |
1.3/0.92/0.68 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 |
4YC64 |
Speed |
1550 RPM |
Sweep Size |
- |
Color |
- |
Motor Speed |
1,550 RPM |
UNSPSC Code |
40101502 |
Features |
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 |
3 |
Mount Type |
Roof Curb |
Nameplate Voltage |
115 V AC |
Overall Length |
19-3/8 inch |
Mounting Location |
Roof |
Housing Material |
Aluminum |
Overall Diameter |
19-3/8 inch |
Overall Height |
29-3/4 Inch |
Overall Width |
49.21 cm |
Base Height |
4.4 cm |
Base Shape |
Square |
Housing Width |
19.4 inch |
Base Width |
48.26 cm |
Assembly |
Assembled |
Base Length |
19 inch |
Speed Control |
48C172 |
Drive Type |
Direct Drive |
Electrical Connections |
Power Cord |
Wheel Material |
Aluminchum |
Mounting Orientation |
Vertical |
Spark Resistant Construction Type |
A |
Maximum Ambient Temperature |
130 °F |
Air Type |
Clean Air |
High-Efficiency Motor |
No |
Brake Horsepower |
1/100 hp |
Wheel Type |
Backward inchclinched |
Housing Length |
19.4 inch |
Wheel Diameter |
8-1/4 inch |
Exhaust Airflow @ 0.000 in SP |
374 cfm |
Compatible Grainger Part Number |
2RB75 2ZV82 4C453 4C670 4HX38 4HX46 |
Exhaust Airflow @ 0.125 in SP |
327 cfm |
Housing Material Fabrication |
Spun |
Exhaust Airflow @ 0.250 in SP |
274 cfm |
Horse Power |
1/30 hp |
Pressure Static |
3/8 inch wc |
Maximum Fan Speed |
1,550 RPM |
Maximum Inlet Air Temperature |
130 °F |
Exhaust Airflow @ 0.375 in SP |
190 cfm |
Speed Control Method |
Variable Speed |
Overall Height (cm) |
75.57 cm |
Overall Height (mm) |
756.65 mm |
Overall Length (cm) |
49.23 cm |
Overall Width (mm) |
492.25 mm |
Overall Diameter (mm) |
492.13 mm |
Wheel Diameter (mm) |
209.55 mm |
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