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Dayton 24 inch guard-mount ceiling fan with steel guard and four cast-aluminium blades

Dayton

Dayton Transformer Ceiling Fan 115/230V 24 in 7900 cfm Guard Mount

SKU CH-NBCD-4ENE8

A 24-inch guard-mount ceiling fan delivering 7900 cfm airflow at 115/230V AC with a 1/2 hp motor running at 1725 RPM

  • typeGuard Mount
  • High airflow of 7900 cfm for powerful cooling
  • Dual 115/230V AC voltage for flexible installation
  • Guard mount design with steel guard for secure mounting
  • 1/2 hp motor at 1725 RPM delivers reliable performance
  • 15 ft cord length allows convenient placement

Transformer Cooling Fan 24 in

The Dayton Transformer Cooling Fan moves 7,900 cfm through a 24-inch cast-aluminium blade set. It operates on selectable 115/230V AC single-phase power at 60 Hz. A totally enclosed air-over motor with Class B insulation and ball bearings delivers 1/2 hp at 1,725 RPM. The guard-mount assembly measures 27 inches high by 27 inches wide and 13 5/16 inches deep.

Upgrade from lower-capacity guards

This unit replaces smaller guard-mount fans that cannot meet high-volume airflow requirements. The jump is justified when a transformer installation demands 7,900 cfm at 104 degrees F maximum ambient temperature. It draws 4.7 amps at 115V or 2.4 amps at 230V, so the electrical supply must support the chosen voltage.

Capacity and headroom for transformer cooling

The four-blade design handles continuous duty in ambient temperatures up to 104 degrees F. A 15-foot cord and mounting eyes on 19 7/8-inch centres simplify placement on the transformer tank. The steel guard and totally enclosed motor resist dust and moisture, but the fixed 7,900 cfm rating offers no speed control for lighter loads.

Highlights

  • High airflow of 7900 cfm for powerful cooling
  • Dual 115/230V AC voltage for flexible installation
  • Guard mount design with steel guard for secure mounting
  • 1/2 hp motor at 1725 RPM delivers reliable performance
  • 15 ft cord length allows convenient placement

Specifications

BrandDayton
typeGuard Mount

Questions about this item

What are the overall dimensions and mounting-eye spacing for this 24-inch guard-mount fan?

The fan measures 27 in height, 27 in width, and 13 5/16 in depth. The mounting eyes are spaced 19 7/8 in on centre.

How do I wire the dual-voltage motor correctly for 115 V or 230 V supply?

Connect the motor leads for 115 V to draw 4.7 A or for 230 V to draw 2.4 A; the motor is single-phase, 60 Hz, and must match the supply voltage.

When should the ball bearings be inspected or the fan replaced given the 104 °F max ambient rating?

Ball bearings in the totally enclosed air-over motor typically run for years; inspect for noise or vibration annually, especially if ambient temperatures approach 104 °F.

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