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| Item | Downblast Ventilator |
|---|---|
| Assembled/unassembled | Assembled |
| Assembly | Assembled |
| Base Dia. | Not Applicable |
| Base Height | 1 3/4" |
| Base Length | 26" |
| Base Shape | Square |
| Base Size | 22" x 22" |
| Base Width | 26" |
| Brake Horsepower | 2/25 bhp |
| Brake Hp | 2/25 hp |
| Compatible Curb Grainger Part No. | 2RB77, 2ZV83, 3C437, 4C454, 4HX40, 4HX48 |
| Compatible Damper Grainger Part Number | 4HX66 |
| Compatible Speed Control | 43Y140 |
| Current | 11.3A |
| Cutout Length | 17 1/2" |
| Damper Size | 19" x 19" |
| Drive Package Included | Yes |
| Drive Package With Motor Included | Yes |
| Drive Type | Direct Drive |
| Duty Rating | Standard |
| Electrical Connection | Power Cord |
| Exhaust Airflow @ 0.000 In Sp | 1742 CFM |
| Exhaust Airflow @ 0.500 In Sp | 1623 CFM |
| Features | High-Efficiency Brushless Dc Motor, Nema 1 Junction Box Located In Motor Enclosure, Nonoverloading Centrifugal Wheel Design, Optional Nema 1 And 4 Disconnects Available |
| For Air Type | Clean Air |
| For High-static Pressure Applications | Yes |
| Frequency | 60 Hz |
| Green Environmental Attribute | Product Contributes To Reducing Energy Consumption |
| High-efficiency Motor | Yes |
| Housing Length | 28 2/5" |
| Housing Material | Aluminum |
|---|---|
| Housing Material Fabrication | Spun |
| Housing Width | 28 2/5" |
| Includes Drive Package | Yes |
| Includes Drive Package With Motor | Yes |
| Includes Motor | Yes |
| Maximum Ambient Temperature | 130°F |
| Maximum Fan Speed | 2200 RPM |
| Maximum Inlet Air Temperature | 130°F |
| Maximum Static Pressure | 3 in. wc |
| Motor Enclosure | Open Dripproof |
| Motor Hp | 3/4 hp |
| Motor Type | Electronically Commutated |
| Mount Type | Roof Curb |
| Mounting Location | Roof |
| Mounting Orientation | Vertical |
| Nameplate Voltage | 115V AC |
| Number Of Speeds | Variable |
| Overall Dia. | 28 3/8" |
| Overall Height | 25 1/2" |
| Overall Length | 28 3/8" |
| Overall Width | 28 3/8" |
| Phase | 1 |
| Propeller Shaft Dia. | 5/8" |
| Shaft Dia. Wheel End | 1/2" |
| Sound Level | Fan Rpm 1020- 8.1 Sones @ 0.000 in Sp And 5 Ft, 7.6 Sones @ 0.125 in Sp And 5 Ft, 7.1 Sones @ 0.250 in Sp And 5 Ft, 6.5 Sones @ 0.375 in Sp And 5 Ft, 6.3 Sones @ 0.500 in Sp And 5 Ft, 6.5 Sones @ 0.625 in Sp And 5 Ft |
| Speed Controllable | Variable Speed |
| Wheel Dia. | 13 3/4" , 14 3/4" |
| Wheel Material | Aluminum |
| Wheel Type | Backward Inclined |
| Standards | AMCA SOUND AND AIR, UL/CUL 705 |
| Height (cm) | 60.32 |
|---|---|
| Length (cm) | 72.07 |
| Width (cm) | 72.07 |
| Country Of Origin | US |
|---|---|
| Weight (kg) | 20.25 |
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