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Small cylindrical HVAC motor with transparent finish

FASCO

FASCO UB594 HVAC Control Motor 1/150 HP CW 115V

SKU CH-CB3Q-RV134

A 1/150 HP shaded-pole motor runs at 550 RPM on 115 V AC for continuous HVAC duty

  • ColorTransparent
  • 1/150 HP shaded-pole motor delivers 6 W output
  • CWLE rotation suits direct-drive HVAC applications
  • 115 V AC single-phase with 0.36 A full-load draw
  • Totally enclosed air-over design runs continuously at 40 °C ambient
  • Impedance thermal protection and Class B insulation ensure reliable duty

Unit Bearing Motor for HVAC Systems

The FASCO UB594 is a shaded-pole unit bearing motor rated at 1/150 HP for 115 V AC single-phase supply. It delivers 6 W output at 550 RPM with a clockwise shaft rotation when viewed from the lead end. The motor draws 0.36 A at full load and fits a non-standard frame with rear double-foot mounting.

Continuous Duty Under Thermal Limits

Designed for continuous duty, the motor uses impedance thermal protection and Class B insulation to handle sustained operation. Maximum ambient temperature is rated at 40 °C, and the totally enclosed air-over enclosure relies on airflow from the driven equipment for cooling. Service factor is 1.0, so the unit runs at nameplate load without overload margin.

Voltage and Frequency Constraints

Operation is specified for 115 V AC at 60 Hz only; the motor is not usable at 200 V or 208 V. The single-speed design provides no speed variation, and the shaded-pole topology fixes the torque curve for the rated voltage and frequency.

Highlights

  • 1/150 HP shaded-pole motor delivers 6 W output
  • CWLE rotation suits direct-drive HVAC applications
  • 115 V AC single-phase with 0.36 A full-load draw
  • Totally enclosed air-over design runs continuously at 40 °C ambient
  • Impedance thermal protection and Class B insulation ensure reliable duty

Specifications

BrandFASCO
ColorTransparent

Questions about this item

How much heat and power does the 1/150 HP motor draw when running continuously at 115V?

The shaded-pole motor draws 0.36 A at full load, delivers 6 W output, and is rated for continuous duty at up to 40 °C ambient.

What mounting points and shaft orientation does the UB594 need to fit my existing bracket?

It uses a rear/double-foot mount with a clockwise-leading shaft rotation (CWLE) and a non-standard frame.

Will this 115 V motor run on the 208 V or 200 V supply in my older HVAC unit?

No — the specifications list usable at 208 V and 200 V as No, so it is limited to 115 V AC operation.

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