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Small cylindrical HVAC motor, steel frame, closed base, stud mounting

FASCO

FASCO D123 HVAC motor 1/80 HP 1500 rpm 115V 3.3 frame

SKU CH-MQ40-M1WBY

Single-phase shaded-pole HVAC motor delivers 10 W at 1500 rpm on 115 V AC

  • Product typeClosed Base
  • Delivers 10 W output for compact HVAC applications
  • Single-phase shaded-pole design runs on standard 115 V AC supply
  • Auto thermal protection guards against overheating up to 40 °C ambient
  • Totally enclosed air-over enclosure resists dust and moisture ingress
  • Stud-mount steel frame fits 3.3 frame openings for direct replacement

FASCO D123 shaded-pole motor

The FASCO D123 is a single-phase shaded-pole motor rated at 1/80 hp and 10 W output. It runs at 1500 rpm on 115 V AC, drawing 0.60 A at full load. The 3.3 frame uses a closed-base steel housing and stud mounting. This motor suits small HVAC fan or blower replacements where a compact, single-speed drive is required.

10 W output and thermal limits

The 10 W rating provides enough headroom for light-duty air-moving tasks such as bathroom exhaust fans or small furnace blowers. Auto thermal protection and Class B insulation allow continuous operation up to 40 °C ambient. The motor is not usable at 200 V or 208 V, so it must stay on a 115 V, 60 Hz supply. Loads that exceed the 1/80 hp rating will trip the protector and stop the motor.

Totally enclosed air-over construction

A totally enclosed air-over enclosure keeps dust and moisture off the windings while relying on the driven fan’s airflow for cooling. Stud mounting on the closed base gives a secure, vibration-resistant fit in standard HVAC brackets. The shaft rotates counter-clockwise when viewed from the shaft end, so the installer must match the original fan’s rotation. Steel frame construction resists corrosion in humid duct environments.

How it compares

Measured against everything we stock in Fan Motors, Parts & Clip-On Fans, at today’s prices. Recalculated every night.

Price $49.99
Typical for this category: the median of 473 items is $38.99.

Specifications

Product
Brand nameFASCO
Product typeClosed Base

Questions about this item

Will the 3.3 frame and CCWSE shaft rotation match the mounting pattern on my existing blower housing?

The motor uses a 3.3 frame with stud mounting and a CCWSE shaft rotation; compare those dimensions and rotation direction to your current housing before installing.

How can I confirm the motor is running correctly once installed?

Verify the shaft spins at 1500 rpm counter-clockwise from the shaft end, draws about 0.60 A at 115 V, and the housing stays below 40 °C ambient during operation.

Does the box include a capacitor, mounting brackets or wiring harness, or must I source them separately?

The motor ships as a closed-base unit only; no capacitor, brackets or harness are included, so obtain any required start/run capacitor and mounting hardware separately.

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