Dayton
Dayton 3LU76 HVAC Control Motor 1/4 HP 208-230V 4-Speed
A 1/4 HP direct-drive blower motor with four speeds, 208-230 V supply and auto thermal protection
- 1/4 HP motor delivers reliable HVAC airflow
- Four selectable speeds match varying ventilation demands
- 208-230 V single-phase input fits standard commercial wiring
- Auto thermal protection prevents overheating damage
- All-angle ring/stud mounting simplifies installation flexibility
Direct-drive blower motor
The Dayton 3LU76 is a single-phase permanent split capacitor motor rated at 1/4 HP for HVAC blower duty. It operates on 208-230 V AC at 60 Hz and fits a 48YZ frame with ring or stud mounting in any angle.
Four-speed continuous operation
Four selectable speeds let the installer match airflow to the system design while the motor runs on a continuous duty cycle. Nameplate speed is 1 075 RPM and full-load current draws between 1.7 and 1.8 A with a service factor of 1.
Open air-over cooling
The open air-over enclosure relies on the airstream it creates for cooling, so the motor stays within its Class B insulation limit when ambient temperature does not exceed 40 °C. Automatic thermal protection resets itself if an overload occurs.
Highlights
- 1/4 HP motor delivers reliable HVAC airflow
- Four selectable speeds match varying ventilation demands
- 208-230 V single-phase input fits standard commercial wiring
- Auto thermal protection prevents overheating damage
- All-angle ring/stud mounting simplifies installation flexibility
Specifications
| Brand | DAYTON |
|---|
Questions about this item
How much power does the 1/4 HP motor draw when running continuously on a 208-230V supply?
The permanent split capacitor motor draws 1.8 A at 208 V and 1.7 A at 230 V with a 1.0 service factor for continuous duty.
What mounting hardware and electrical connection does the 48YZ frame motor need to install in an existing blower housing?
It uses a ring/stud mount for all-angle installation and an open air-over enclosure; the shaft rotates CW/CCW for direct-drive blower wheels.
Will the auto thermal protection and Class B insulation handle the same 40 °C ambient as the original factory motor?
Yes, the motor is rated for a maximum ambient temperature of 40 °C with automatic thermal protection and Class B insulation for continuous operation.
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