Dayton
Dayton 4YFK2 Unit Bearing Motor 1/185 hp 230V AC
Unit bearing shaded-pole motor delivers 1/185 hp at 1,550 RPM on 230 V AC, drawing 0.17 A with impedance thermal protection and a cast-iron frame rated for 40 °C ambient
- ColorTransparent
- Low 4 W power draw keeps energy use minimal
- 230 V AC supply suits standard commercial wiring
- Shaded-pole design gives simple, reliable single-phase operation
- Totally enclosed air-over housing protects internals from dust and moisture
- Cast-iron frame and Class A insulation handle up to 40 °C ambient
What this motor is
The Dayton 4YFK2 is a unit bearing motor rated at 1/185 hp and 230 V AC. It uses a shaded-pole design and runs at 550 RPM with impedance thermal protection. The cast-iron frame is totally enclosed air-over and mounts by rear foot in horizontal or vertical shaft-up position.
Who it suits and who should look elsewhere
It suits technicians who need a low-output shaded-pole motor for 230 V AC HVAC controls. Builders who need higher horsepower, a different voltage, or a non-shaded-pole design should look at other options. The motor carries a California Proposition 65 warning for cancer and reproductive-harm chemicals.
Capacity and headroom
The motor delivers 4 W output at 0.17 A full-load current on 60/50 Hz supply. It operates up to 40 °C ambient with a 1.0 service factor and Class A insulation. Above that temperature or beyond the rated load the impedance protection will trip and the motor will not sustain operation.
Highlights
- Low 4 W power draw keeps energy use minimal
- 230 V AC supply suits standard commercial wiring
- Shaded-pole design gives simple, reliable single-phase operation
- Totally enclosed air-over housing protects internals from dust and moisture
- Cast-iron frame and Class A insulation handle up to 40 °C ambient
Specifications
| Brand | DAYTON |
|---|---|
| Color | Transparent |
Questions about this item
What voltage supply must the installation provide for the 230V AC motor?
The motor requires a 230V AC single-phase supply at 60/50 Hz.
Will the 1/185 hp output and 0.17 A draw suit the existing fan assembly I plan to keep?
At 4 W output and 0.17 A full-load current, the motor matches low-torque shaded-pole applications.
How can I confirm the motor is running correctly after wiring it?
Verify clockwise rotation from the lead end and that the casing stays below 40 °C ambient.
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