- MFR #
- 4YC56
- Zoro #
- G0789792
- UPC #
- 190735337578
- Country of Origin
- United States
- Item
- Axial Downblast Roof Supply Fan
- Voltage
- 115
- Motor HP
- 1/2 hp
- CFM @ 0.500-In. SP
- 1597
- CFM @ 0.125-In. SP
- 2195
- Recommended 12 In. Fixed Curb Item No.
- 2RB77
- Standards
- AMCA Sound and Air, UL/cUL 705
- Adj. 12 3/8"H Roof Curb Stock No.
- 2ZV83
- Phase
- 1
- CFM @ 0.000-In. SP
- 2353
- Propeller Material
- Aluminum
- Requires
- Roof Curb for New Installation
- Sones @ 0.125-In. SP @ 5 Ft.
- 19.5
- Housing Material
- Aluminum
- Speed Control
- 48C173
- Recommended 8 In. Fixed Curb Item No.
- 4HX40
- RPM
- 1750
- CFM @ 0.750-In. SP
- 1121
- Mounting Location
- Roof
- Base Top to Shroud
- 6 1/4 in
- Max. Inlet Temp.
- 120 Degrees F
- Adj. 6 3/8"H Roof Curb Stock No.
- 4c454
- CFM @ 0.625-In. SP
- 1330
- Max. Operating Amps
- 3.9
- Max. BHP
- 0.3 hp
- CFM @ 0.375-In. SP
- 1819
- Speed Controllable
- Yes
- Recommended Damper Stock No.
- 4HX66
- CFM @ 0.250-In. SP
- 2008
- CFM @ 0.875-In. SP
- 903
- Sones @ 0.250-In. SP @ 5 Ft.
- 19.6
- Includes
- NEMA 1 Junction Box
- Hz
- 60
- Application
- Industrial and Commercial Applications
- 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
- For Air Type
- Clean Air
- Supply Airflow @ 0.125 in SP
- 2,195 cfm
- Nameplate Voltage
- 115V AC
- Exhaust Airflow @ 0.000 in SP
- 2,353 cfm
- Assembly
- Assembled
- For High-Static Pressure Applications
- No
- Supply Airflow @ 0.000 in SP
- 2,353 cfm
- Exhaust Airflow @ 0.375 in SP
- 1,819 cfm
- Current
- 6.0/3.0 A
- Includes Drive Package
- Yes
- Mount Type
- Roof Curb
- Maximum Fan Speed
- 1,750 RPM
- Frequency
- 60 Hz
- Maximum Static Pressure
- 1 in wc
- Drive Type
- Direct Drive
- Base Shape
- Square
- Number of Speeds
- 1
- Supply Airflow @ 0.375 in SP
- 1,819 cfm
- Compatible Curb Manufacturer Part Number
- 2RB77, 2ZV83, 3C437, 4C454, 4HX40, 4HX48
- Supply Airflow @ 0.500 in SP
- 1,597 cfm
- Blade Design
- Swept Steeply Pitched
- Includes Motor
- Yes
- Safety Features
- Birdscreen
- Brake Horsepower
- 3/10 hp
- Number of Blades
- 4
- Motor Horsepower
- 1/2 hp
- Compatible Speed Control
- 48C173
- Sound Level
19.1 sones @ 1.000 in SP and 5 ft, 19.5 sones @ 0.125 in SP and 5 ft, 19.5 sones @ 0.375 in SP and 5 ft, 19.6 sones @ 0.250 in SP and 5 ft, 19.7 sones @ 0.875 in SP and 5 ft, 20.0 sones @ 0.000 in SP and 5 ft, 21.0 sones @ 0.500 in SP and 5 ft, 21.0 sones @ 0.750 in SP and 5 ft, 22.0 sones @ 0.625 in SP and 5 ft
- Airflow @ 0.000 in SP
- 2,353 cfm
- Housing Material Fabrication
- Spun
- Motor Enclosure
- Open Dripproof
- Supply Airflow @ 0.250 in SP
- 2,008 cfm
- Exhaust Airflow @ 0.500 in SP
- 1,597 cfm
- Exhaust Airflow @ 0.250 in SP
- 2,008 cfm
- Maximum Inlet Air Temperature
- 120 Degrees F
- Electrical Connection
- Power Cord
- Exhaust Airflow @ 0.125 in SP
- 2,195 cfm
- Blade Material
- Aluminum
- High-Efficiency Motor
- No
- Motor Location
- In Airstream