Dayton
Dayton 4YFH6 Unit Bearing Motor 1/300 hp hvac control
A 1/300 hp shaded-pole unit bearing motor runs at 1,550 rpm on 115 V AC for HVAC control applications
- ColorTransparent
- Low power draw keeps energy costs down with 2.5 W output
- Compact unit bearing fits tight HVAC cabinets
- Runs on standard 115 V AC household supply
- Impedance thermal protection prevents overheating damage
- Rated for 40 °C ambient temperature in demanding environments
Unit Bearing Motor 1/300 HP
This Dayton unit bearing motor is a single-phase shaded-pole motor rated at 1/300 horsepower for HVAC control applications. It runs on 115 V AC at 60 or 50 Hz and draws 0.25 A at full load. The totally enclosed air-over enclosure and impedance thermal protection suit continuous duty in air-handling equipment.
Practical limits of shaded-pole operation
Shaded-pole design delivers low starting torque and fixed clockwise rotation when viewed from the lead end. The motor develops 2.5 W output at 1,550 RPM nameplate speed with a service factor of 1.0. Insulation class A and a 40 °C maximum ambient temperature restrict use to environments that stay within these thermal limits.
The 1/300 HP rating decides fit
At 1/300 horsepower this motor only matches applications that specify the same fractional rating and 115 V supply. Builders who need more power, a different voltage, reversible rotation or higher ambient-temperature capability must select a different motor.
Highlights
- Low power draw keeps energy costs down with 2.5 W output
- Compact unit bearing fits tight HVAC cabinets
- Runs on standard 115 V AC household supply
- Impedance thermal protection prevents overheating damage
- Rated for 40 °C ambient temperature in demanding environments
Specifications
| Brand | DAYTON |
|---|---|
| Color | Transparent |
Questions about this item
Which Dayton 4YFH6 version should I choose for my HVAC unit?
The 4YFH6 is a single unit bearing motor rated at 1/300 hp, 115V AC, 0.25 A full-load current and 2.5 W output; select it when those exact specifications match the original equipment.
What does the 1/300 hp rating mean once the motor is installed?
It delivers approximately 2.5 watts of mechanical power at 1,550 rpm, suitable for light-duty air-over applications such as small blower wheels or damper actuators.
What supply voltage and frequency does the 4YFH6 require, and what does that cap in practice?
It runs on 115V AC at 60/50 Hz single-phase; the shaded-pole design limits speed to the nameplate 1,550 rpm and torque to the 1/300 hp rating regardless of load.
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