Dayton
Dayton 4YFH1 Unit Bearing Motor 1/83 hp 230V
Shaded-pole unit bearing motor delivers 1/83 hp at 1550 rpm on 230 V AC for HVAC fan and blower duty
- ColorTransparent
- Delivers 9 W output from a compact 1/83 hp motor
- Runs on standard 230 V AC at 50/60 Hz
- Auto thermal protection safeguards the motor
- Cast-iron frame suits horizontal or vertical shaft-up mounting
- CCWLE rotation with 1/2 in. shaft fits direct-drive fans
Motor Type and Power
The Dayton 4YFH1 is a shaded-pole unit bearing motor rated at 1/83 hp and 9 W output. It runs on 230 V AC single-phase supply at 60/50 Hz and draws 0.33 A at full load. The motor is designed for HVAC control applications requiring a compact, low-power drive.
Enclosure and Mounting
The totally enclosed air-over casing protects internal parts from airborne contaminants while allowing cooling airflow. A cast-iron frame provides rigidity and the rear-foot mounting pattern secures the motor in horizontal or vertical shaft-up orientations. The shaft extends 1/2 in. and rotates CCWLE for direct coupling to fan wheels or blowers.
Installation Checks
Verify that your system supplies 230 V AC at 60 or 50 Hz and can accommodate the 0.33 A draw. Confirm the driven load matches the 1/83 hp rating and that the shaft rotation direction suits the fan or blower. Ensure the mounting surface accepts the rear-foot pattern and that ambient temperature stays within 40 °C.
Highlights
- Delivers 9 W output from a compact 1/83 hp motor
- Runs on standard 230 V AC at 50/60 Hz
- Auto thermal protection safeguards the motor
- Cast-iron frame suits horizontal or vertical shaft-up mounting
- CCWLE rotation with 1/2 in. shaft fits direct-drive fans
Specifications
| Brand | DAYTON |
|---|---|
| Color | Transparent |
Questions about this item
Will the motor shaft or bearings need periodic lubrication or replacement?
The unit bearing design integrates the bearing into the motor assembly, so no separate bearing lubrication is required; if the bearing wears out the entire motor is replaced.
What limits continuous operation — thermal protection or the 40 °C ambient rating?
The motor has automatic thermal protection and a maximum ambient temperature of 40 °C; sustained operation above that temperature will trigger the protection first.
How much heat and power draw should I expect when it runs all day at 230 V?
At full load it draws 0.33 A at 230 V AC, producing 9 W of output power; the totally enclosed air-over enclosure dissipates heat through the surrounding airflow.
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