Dayton
Dayton 13F051 Transformer Fan 20 in 4600 cfm 115/230V
20-inch guard-mount transformer fan delivers 4600 cfm airflow at 115/230V with a 15 ft cord
- High airflow of 4600 cfm cools large transformer areas efficiently
- Dual 115/230V AC input suits varied industrial power supplies
- 20 inch aluminum blades with four-blade design move air at 1140 rpm
- Totally enclosed air-over motor with ball bearings runs in 104°F ambient
- 15 ft cord and guard-mount frame simplify placement on 17 3/4 in centres
Transformer Cooling Fan 20 in 4600 cfm
The Dayton 13F051 is a guard-mount transformer cooling fan built for industrial HVAC applications. It moves 4600 cfm through a 20 in aluminum blade at 1140 RPM on single-phase 115/230V AC power. The totally enclosed air-over motor is rated at 1/4 hp with Class B insulation and ball bearings for continuous duty.
Upgrade From Lower-CFM Guard Fans
This unit replaces smaller guard-mount fans that cannot meet the 4600 cfm requirement at 1140 RPM. The jump is worth it when the existing installation cannot dissipate transformer heat at the 104 Degrees F maximum ambient temperature. The 15 ft cord and 17 3/4 in mounting eye spacing fit the same guard-mount footprint without structural changes.
Sustained Load Behaviour
Under continuous operation the 1/4 hp motor draws 3.1 A at 115V or 1.5 A at 230V while maintaining 1140 RPM and rated airflow. The totally enclosed air-over enclosure and ball bearings are designed for steady-state heat rejection at up to 104 Degrees F ambient without thermal derating. The steel guard and aluminum blades resist fatigue during prolonged vibration.
Highlights
- High airflow of 4600 cfm cools large transformer areas efficiently
- Dual 115/230V AC input suits varied industrial power supplies
- 20 inch aluminum blades with four-blade design move air at 1140 rpm
- Totally enclosed air-over motor with ball bearings runs in 104°F ambient
- 15 ft cord and guard-mount frame simplify placement on 17 3/4 in centres
Specifications
| Brand | DAYTON |
|---|
Questions about this item
What are the overall dimensions and mounting-eye spacing for fitting this 20-inch transformer fan?
The fan measures 23 inches high by 23 inches wide by 13 5/16 inches deep, with mounting eyes on 17 3/4-inch centres.
How is the unit wired for 115 V or 230 V operation and what common step is missed?
The motor is dual-voltage; follow the wiring diagram on the nameplate to set 115 V (3.1 A) or 230 V (1.5 A), and remember to move the internal jumpers accordingly.
When should the ball bearings be inspected or the fan replaced given the 104 °F max ambient rating?
Inspect the sealed ball bearings annually; replace the fan if vibration, noise, or airflow drops below the rated 4,600 cfm at 1,140 RPM.
Also in this aisle
People compared these
Same shelf, same checkout — eight coins and a 30-minute rate lock.
