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Dayton 3LU94 condenser fan motor, 460V, vertical shaft mounting

Dayton

Dayton 3LU94 1/4 hp condenser fan motor 460V 1075 RPM

SKU CH-2TB3-0402A

A 1/4 hp condenser fan motor running at 1075 RPM on 460 V AC with auto thermal protection and a 6 in shaft

  • typeHigh Temperature
  • 1/4 hp output for reliable condenser cooling
  • 460 V single-phase power suits commercial HVAC systems
  • 1075 RPM single-speed operation simplifies installation
  • Auto thermal protection guards against overheating
  • Totally enclosed air-over enclosure resists moisture and debris

1/4 HP Condenser Fan Motor for HVAC Systems

The Dayton 3LU94 is a single-phase permanent split capacitor motor rated at 1/4 hp and 1,075 RPM. It operates on 460V AC at 60 Hz and draws 0.8 A at full load. The unit is built for continuous duty in air-over cooling applications.

460V Single-Phase Power and 48YZ Frame Constraints

This motor requires a 460V single-phase supply and fits the 48YZ frame standard. Its totally enclosed air-over enclosure relies on external airflow for cooling, so it must be installed in the airstream. The maximum ambient temperature is 60°C and insulation class B limits internal temperature rise.

Verify Voltage, Shaft Orientation

Confirm your system provides 460V AC single-phase power and can accommodate a 6-inch shaft with 1/2-inch diameter. The motor mounts via studs and supports vertical shaft-up or shaft-down orientation with reversible CW/CCW rotation. Auto thermal protection resets automatically after a fault.

Highlights

  • 1/4 hp output for reliable condenser cooling
  • 460 V single-phase power suits commercial HVAC systems
  • 1075 RPM single-speed operation simplifies installation
  • Auto thermal protection guards against overheating
  • Totally enclosed air-over enclosure resists moisture and debris

Specifications

BrandDayton
typeHigh Temperature

Questions about this item

Which Dayton condenser fan motor should I choose for a 460V system needing 1/4 hp?

The 3LU94 model delivers exactly 1/4 hp at 460V AC with 1,075 RPM, single-speed operation, and a 48YZ frame that fits standard condenser mounts.

What does the 1,075 RPM rating mean once the motor is installed in my condenser unit?

At full load the shaft turns at 1,075 RPM, moving air continuously through the coil; the auto thermal protection and Class B insulation keep it running safely up to 60 °C ambient.

How does the permanent split capacitor design affect wiring and speed control?

The PSC design runs on a single 460V phase with one capacitor, giving one fixed speed (1,075 RPM) and reversible CW/CCW rotation via lead swap — no variable-speed control.

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