Dayton
Dayton 4YFH8 Unit Bearing Motor 1/47 hp 230V AC
Compact shaded-pole motor delivers 16 W at 550 RPM on 230 V AC for HVAC fan and blower duty
- ColorTransparent
- 1/47 hp motor delivers 16 W output for compact HVAC tasks
- 230 V AC supply with 0.60 A draw fits standard building power
- Auto thermal protection and Class A insulation guard against overheating
- Totally enclosed air-over cast-iron frame resists dust and moisture in 40 °C ambients
- 1 550 RPM shaded-pole design runs on 50/60 Hz for flexible installation
Unit Bearing Motor for HVAC Controls
The Dayton 4YFH8 is a single-phase shaded-pole motor rated at 1/47 hp for 230V AC systems. It delivers 16 W output at 550 RPM with a full-load current of 0.60 A. Designed for horizontal or vertical shaft-up mounting, it fits HVAC equipment requiring a compact, totally enclosed air-over unit.
Voltage and frequency match
This motor runs on 230V AC at both 60 Hz and 50 Hz, so the supply must match that voltage exactly. The automatic thermal protection and Class A insulation are rated for a maximum ambient temperature of 40 °C. Verify the nameplate RPM of 550 and the clockwise-leading-end rotation before wiring.
Rear foot mount with half-inch shaft
The cast-iron frame uses a rear/foot mounting pattern and a 1/2 in. shaft, so alignment with the driven load is straightforward. The non-standard frame means the bolt pattern will not match common NEMA dimensions; measure the existing holes before ordering. California Proposition 65 warnings apply for cancer and reproductive harm.
Highlights
- 1/47 hp motor delivers 16 W output for compact HVAC tasks
- 230 V AC supply with 0.60 A draw fits standard building power
- Auto thermal protection and Class A insulation guard against overheating
- Totally enclosed air-over cast-iron frame resists dust and moisture in 40 °C ambients
- 1 550 RPM shaded-pole design runs on 50/60 Hz for flexible installation
Specifications
| Brand | DAYTON |
|---|---|
| Color | Transparent |
Questions about this item
What does the 1/47 hp rating mean for airflow in an HVAC unit?
The 1/47 horsepower motor delivers 16 watts of output at 1,550 RPM, providing low-torque airflow suited for small residential or light commercial HVAC blowers.
How does the 230V AC, 60/50 Hz supply affect motor speed and current draw?
At 230 volts the motor draws 0.60 amps full-load; the dual-frequency rating means it will run at nameplate speed on either 60 Hz or 50 Hz mains without rewiring.
What mounting space and shaft clearance does the rear-foot cast-iron frame need?
The non-standard frame mounts horizontally or with the shaft vertical-up via rear foot bolts, and the shaft extends 1/2 inch for direct-drive blower wheel attachment.
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