Dayton
Dayton 24PR77 1 HP 850 rpm 208-230/460V blower
Three-phase condenser fan motor delivering 1 HP at 850 rpm on 208-230/460 V with continuous duty rating
- 1 HP motor delivers strong airflow for condenser cooling
- 850 rpm at 60 Hz provides steady speed under load
- 208-230/460 V three-phase input suits industrial power supplies
- Inverter rated for variable-speed drive compatibility
- T-Stat thermal protection and Class F insulation guard against overheating
Three-phase condenser fan motor
The Dayton 24PR77 is a 1 HP three-phase motor built for condenser fan duty in commercial HVAC systems. It runs at 850 rpm on 60 Hz power and accepts 208-230/460 V AC input. The 56YZ frame and vertical shaft-up mounting suit direct-drive fan installations.
Voltage and thermal boundaries
Full-load current is 5.0 A at 208-230 V and 2.5 A at 460 V, with a service factor of 1.0 for continuous duty. Class F insulation and a built-in T-stat protect windings up to a 70 °C ambient limit. The motor is inverter rated for variable-speed drives.
Open enclosure and rigid base
An open air-over enclosure relies on the fan airstream for cooling, so airflow must remain unobstructed. The rigid base bolts directly to the equipment frame, and the 5 5/8 in shaft with 6 in leads allows straightforward coupling and wiring in the field.
Highlights
- 1 HP motor delivers strong airflow for condenser cooling
- 850 rpm at 60 Hz provides steady speed under load
- 208-230/460 V three-phase input suits industrial power supplies
- Inverter rated for variable-speed drive compatibility
- T-Stat thermal protection and Class F insulation guard against overheating
Specifications
| Brand | DAYTON |
|---|
Questions about this item
Should I pick the 208-230 V or 460 V connection for my supply?
The motor is dual-voltage; wire it for 208-230 V and it draws 5.0 full-load amps, or wire it for 460 V and it draws 2.5 full-load amps.
What does the 850 rpm rating tell me about airflow once the motor is installed?
850 rpm is the nameplate speed under full load; actual airflow depends on the fan blade you fit and the static pressure of your condenser coil.
How does the 56YZ frame and 5 5/8 in shaft affect mounting?
The 56YZ frame sets the bolt pattern and shaft height, while the 5 5/8 in shaft length determines how far the fan hub sits from the motor face.
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