Centrifugal Downblast Roof Exhaust Fan, Drive Type Belt Drive, Assembly Unassembled, Wheel Diameter 18 1/2 in, Base Diameter Not Applicable, Base Length 30 in, Base Width 30 in, Base Shape Square, Nameplate Voltage 115/208-230V AC, Phase 1, Motor Horsepower 1/2 hp, Exhaust Airflow @ 0.000 in SP 3,655 cfm, For High-Static Pressure Applications No, High-Efficiency Motor No, For Air Type Flammable Vapor, Includes Drive Package Yes, Includes Motor Yes, Mounting Location Roof
| Item - Roof Ventilators | Downblast Ventilator |
|---|---|
| Drive Package With Motor Included | Yes |
| Duty Rating - Roof Ventilators | Hazardous Location |
| Drive Type - Roof Ventilators | Belt Drive |
| Mounting Location - Roof Ventilators | Roof |
| Number of Speeds | 1 |
| Voltage - Roof Ventilators | 115V AC, 208V AC, 230V AC |
| Motor HP - Roof Ventilators | 0.5 HP |
| Base Size - Roof Ventilators | 30 in x 30 in |
| CFM @ 0.000-In. SP | 3,655 |
| CFM @ 0.250-In. SP | 3,388 |
| CFM @ 0.375-In. SP | 3,234 |
| CFM @ 0.750-In. SP | 2,601 |
| Hz | 60 Hz |
| CFM @ 0.875-In. SP | 2,272 |
| Agency Compliance | & G hazardous locations, F, Motor only UL Listed for Class I Groups C & D andClass II Groups E |
| Sones @ 0.250-In. SP @ 5 Ft. | 12 |
| CFM @ 0.625-In. SP | 2,844 |
| Max. Inlet Temp. | 180 deg F |
| Dimension C | 34-3/8 in |
| Base Height | 1-3/4 in |
| Phase | 1 |
| Dimension D | 5-1/2 in |
| Drive Package Included | Yes |
| Speed Controllable | No |
| Recommended 8 In. Fixed Curb Item No. | 4HX41 |
| Overall Height | 36-1/8 in |
| Drive Type | Belt Drive |
| Sones @ 0.125-In. SP @ 5 Ft. | 12.8 |
| Overall Dia. | 35-1/2 in |
| Base Width | 30 in |
| Wheel Type | Backward Inclined |
| Wheel Material | Aluminum |
| Assembled/Unassembled | Unassembled |
| Max. Operating Amps | 8.8/4.2-4.4 |
| Adj. 12 3/8"H Roof Curb Stock No. | 2ZV83 |
| Recommended 12 In. Fixed Curb Item No. | 2RB79 |
| Motor HP | 0.5 |
| Mounting Location | Roof |
| CFM @ 0.125-In. SP | 3,527 |
| Wheel Dia. | 18-1/2 in |
| Dimension B | 35-1/2 in |
| Includes | Hazardous Location Motor |
| Dimension A | 30 in |
| Adj. 6 3/8"H Roof Curb Stock No. | 4c454 |
| Base Square Size - Roof Ventilators | 30" x 30" |
| Sones @ 0.500-In. SP @ 5 Ft. | 11.1 |
| Shaft Dia. Wheel End | 3/4 in |
| Housing Material | Aluminum |
| RPM | 940 |
| CFM @ 0.500-In. SP | 3,052 |
| Motor Voltage | 230V, 208V, 115V |
| Base Length | 30 in |
| Item | Centrifugal Downblast Roof Exhaust Fan |
| Max. BHP | 0.54 |
| Standards | AMCA Sound and Air, UL |
| Bearing Type | Regreasable Pillow Block |
| Safety Features | Birdscreen |
| Damper Size | 23 in x 23 in |
| Maximum Static Pressure | 0.875 in wc |
| Features | Nonoverloading Centrifugal Wheel Design |
| Sound Level | 10.3 sones @ 0.750 in SP and 5 ft, 10.6 sones @ 0.625 in SP and 5 ft, 11.1 sones @ 0.500 in SP and 5 ft, 11.4 sones @ 0.375 in SP and 5 ft, 12.0 sones @ 0.250 in SP and 5 ft, 12.7 sones @ 0.000 in SP and 5 ft, 12.8 sones @ 0.125 in SP and 5 ft, 9.8 sones @ 0.875 in SP and 5 ft |
| Overall Width | 35-1/2 in |
| Propeller Shaft Diameter | 3/4 in |
| Motor Enclosure | Totally Enclosed Fan Cooled |
| Housing Material Fabrication | Spun |
| Exhaust Airflow @ 0.500 in SP | 3,052 cfm |
| For High-Static Pressure Applications | No |
| Airflow @ 0.000 in SP | 3,655 cfm |
| Maximum Fan Speed | 940 RPM |
| Wheel Diameter | 18-1/2 in |
| Compatible Curb Manufacturer Part Number | 2RB79, 2ZV83, 3C437, 4C454, 4HX41, 4HX49 |
| Exhaust Airflow @ 0.125 in SP | 3,527 cfm |
| Motor Horsepower | 0.5 HP |
| Base Shape | Square |
| Exhaust Airflow @ 0.250 in SP | 3,388 cfm |
| Mount Type | Roof Curb |
| Includes Drive Package | Yes |
| Housing Width | 35-1/2 in |
| Housing Length | 35-1/2 in |
| Brake Horsepower | 27/50 hp |
| Assembly | Unassembled |
| For Air Type | Flammable Vapor |
| Exhaust Airflow @ 0.375 in SP | 3,234 cfm |
| Nameplate Voltage | 115/208-230V AC |
| High-Efficiency Motor | No |
| Includes Motor | Yes |
| Overall Diameter | 35-1/2 in |
| Frequency | 60 Hz |
| Electrical Connection | Power Cord |
| Motor Speed | 1,725 rpm |
| Exhaust Airflow @ 0.000 in SP | 3,655 cfm |
| Application | Industrial and Commercial Applications |
| Overall Length | 35-1/2 in |
| Resistance Properties | Weather Resistant |
| Motor Location | Out of Airstream |
| Base Diameter | Not Applicable |
| Hazardous Location Specification | Class I Group C, Class I Group D, Class II Group E, Class II Group F, Class II Group F |
| Current | 8.8/4.2 to 4.4 A |
| Maximum Inlet Air Temperature | 180 deg F |
| Wire Rope Length | 35-1/2 in |
| Length | 35-1/2 in |
| Fits Chest Size | Nonoverloading Centrifugal Wheel Design |
| Country of Origin (subject to change) | Multiple |
| Package Quantity | 1 |