Dayton
Dayton 4YFK4 Unit Bearing Motor 1/47 hp HVAC Control
Unit bearing motor delivers 16 watts at 550 RPM for HVAC control applications
- ColorTransparent
- 1/47 hp motor delivers 16 W output for efficient HVAC airflow
- 115 V AC shaded-pole design runs at 550 RPM with 1.1 A draw
- Auto thermal protection and Class A insulation handle up to 40 °C ambient
- Totally enclosed air-over cast aluminium frame resists moisture and debris
- Rear foot mount supports horizontal or vertical shaft-up installation
Compact HVAC Motor
The Dayton 4YFK4 is a unit bearing motor rated at 1/47 hp with a 16 W output. It runs on 115 V AC single-phase power at 60/50 Hz and draws 1.1 A at full load. The shaded-pole design delivers 1,550 RPM nameplate speed for air-over cooling applications.
Direct replacement for failed unit bearing motors
This motor suits technicians swapping out a worn shaded-pole unit in existing HVAC controls. The jump is worth it when the original motor shows thermal-protection trips, bearing noise or reduced airflow. The non-standard frame and rear/foot mounting match many legacy installations without adapter brackets.
Fits horizontal or vertical shaft-up orientation
The totally enclosed air-over enclosure and cast-aluminium frame handle ambient temperatures up to 40 °C. Class A insulation and automatic thermal protection guard against overload. Clockwise lead-end rotation must match the driven load, and the 115 V supply must be available at the mounting location.
Highlights
- 1/47 hp motor delivers 16 W output for efficient HVAC airflow
- 115 V AC shaded-pole design runs at 550 RPM with 1.1 A draw
- Auto thermal protection and Class A insulation handle up to 40 °C ambient
- Totally enclosed air-over cast aluminium frame resists moisture and debris
- Rear foot mount supports horizontal or vertical shaft-up installation
Specifications
| Brand | DAYTON |
|---|---|
| Color | Transparent |
Questions about this item
What rear‑foot mounting pattern does the 4YFK4 motor use?
The motor is designed for rear/foot mounting with a cast‑aluminium frame that bolts directly to the equipment base.
How do I wire the shaded‑pole motor for 115 V AC operation?
Connect the two leads to a 115 V AC supply; the shaded‑pole design requires no capacitor or start switch.
When should the auto‑reset thermal protector be expected to trip?
It opens automatically if the winding temperature exceeds the Class A limit at 40 °C ambient.
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