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Small cylindrical HVAC motor with steel frame and open vents

FASCO

FASCO D532 3.3 In Motor 1/30-1/125 HP 115V CW

SKU CH-KX0Q-AA055

A 3.3-inch shaded-pole motor delivers 1/30 to 1/125 HP at 115 V with clockwise rotation

  • Product typeClosed Base
  • Two-speed operation for adjustable airflow
  • 1/30 to 1/125 HP range suits varied loads
  • 115 V AC input matches standard circuits
  • Auto thermal protection prevents overheating
  • 3-inch frame fits common stud mounts

Motor Specifications

The FASCO D532 is a 3.3-inch frame shaded-pole motor rated for 115 V AC single-phase supply. It delivers two-speed operation at 1/30 hp and 1/125 hp with a nameplate speed of 550 RPM. The unit draws 1.4 A at high speed and 0.9 A at low speed while producing 20 W output.

Replacement Scope

This motor suits direct-drive fan and blower assemblies that require a stud-mounted, open air-over enclosure with clockwise shaft rotation. It replaces units of the same frame, voltage, horsepower range and rotation where the original thermal protection is automatic and insulation class is B. The jump is worth it when the existing motor has failed or runs outside the 40 °C ambient limit.

Sustained Operation

Under continuous load the auto-reset thermal protector cycles the winding if temperature exceeds the class B rating at 40 °C maximum ambient. The shaded-pole design maintains the 550 RPM nameplate speed without the torque dip common in capacitor-start types during extended run periods. Full-load current remains stable at 1.4 A and 0.9 A across both speed taps.

How it compares

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

Price $111.99
Pricier than about 70% of the 473 comparable items (median $38.99).

Specifications

Product
Brand nameFASCO
Product typeClosed Base

Questions about this item

What stud spacing does the 3.3 inch frame motor use for mounting?

The motor uses a stud mounting type on a 3.3 inch frame diameter, so the stud pattern matches standard 3.3 frame dimensions for direct replacement.

Which wiring step is most often missed when installing this two-speed shaded-pole motor?

Connect the common, high and low speed leads to the correct terminals; the motor draws 1.4 amps on high and 0.9 amps on low at 115V AC.

When should the auto-reset thermal protector be expected to trip on this 20 watt motor?

The auto thermal protection trips if winding temperature exceeds the Class B insulation limit at the maximum 40°C ambient temperature.

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