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Dayton 1/4 hp direct drive blower motor, open frame, stud mount

Dayton

Dayton 4M097BG Direct Drive Blower Motor 1/4 hp HVAC Control

SKU CH-J8WR-DB8VT

Direct-drive blower motor delivers 1/4 hp at 1,075 RPM with three-speed operation on 208-230V AC power

  • 1/4 hp motor delivers reliable airflow for HVAC systems
  • Three selectable speeds adapt output to heating or cooling demand
  • Auto thermal protection shuts down at 40 °C ambient limit
  • 208-230 V single-phase supply suits standard residential wiring
  • 48YZ frame with 1/2 in shaft fits common direct-drive blower housings

Direct Drive Blower Motor 1/4 hp

This Dayton 4M097BG is a single-phase permanent split capacitor motor rated at 1/4 horsepower for HVAC air-moving applications. It operates on 208-230V AC at 60 Hz and draws 1.5 A at full load, making it suitable for replacement in residential or light-commercial furnace and air-handler units.

Thermals noise and power draw

The motor carries Class B insulation and automatic thermal protection for continuous duty cycles in ambient temperatures up to 40 degrees C. Its open air-over enclosure relies on the driven airflow for cooling, while the 1.0 service factor indicates no overload margin beyond nameplate ratings. Three-speed operation allows airflow adjustment without external controls.

Build quality and mounting

A 48YZ frame with stud mounting and all-angle positioning provides flexible installation in confined equipment cabinets. The 1/2-inch diameter shaft extends 4 inches for direct drive blower wheel attachment, and reversible CW/CCW rotation accommodates either airflow direction without rewiring.

Highlights

  • 1/4 hp motor delivers reliable airflow for HVAC systems
  • Three selectable speeds adapt output to heating or cooling demand
  • Auto thermal protection shuts down at 40 °C ambient limit
  • 208-230 V single-phase supply suits standard residential wiring
  • 48YZ frame with 1/2 in shaft fits common direct-drive blower housings

Specifications

BrandDAYTON

Questions about this item

How do I wire the 208-230V AC power to the motor terminals for a 1/4 hp PSC design?

Connect line voltage to the common and speed taps on the terminal block, then attach the run capacitor between run and start windings; verify rotation is CW or CCW as needed before securing the 48YZ frame studs.

When should I replace the internal run capacitor on this 1.5 A continuous-duty motor?

Replace the capacitor if the motor hums but fails to start, runs hot above the 40 °C ambient rating, or draws current well above 1.5 A under normal load.

At what point does the automatic thermal protection trip during extended operation?

The built-in auto-reset thermal protector opens when internal winding temperature exceeds the Class B insulation limit, then closes again once the motor cools below the trip threshold.

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