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Small cylindrical AC duct fan motor silver metal housing model 950-0428 1/40 hp 115V

Tjernlund Products, Inc.

Tjernlund Products, Inc. 950-0428 Duct Fan Motor 1/40 hp 115V AC

SKU CH-0BHS-T0GR7

A 1/40 hp shaded-pole motor running at 3,000 RPM on 115V AC draws 1.17 A for HVAC duct airflow

  • Low power draw with 1/40 hp motor
  • Efficient airflow at 3000 RPM nameplate speed
  • Standard 115V AC supply for easy wiring
  • Reliable shaded-pole design for continuous duty
  • Direct OEM replacement for Tjernlund equipment

Tjernlund 950-0428 Duct Fan Motor

The Tjernlund 950-0428 is a single-phase shaded-pole motor rated at 1/40 hp for 115V AC operation. It serves as an OEM replacement component for compatible ventilation equipment. The unit runs at a nameplate speed of 3,000 RPM and draws 1.17 A at full load.

Shaded-pole design and electrical connections

The shaded-pole construction provides simple, direct drive without external capacitors or complex starting gear. Wiring connects to standard 115V AC supply lines, making installation straightforward for qualified technicians. The motor fits existing mounting points on supported Tjernlund duct fan assemblies.

Replaces worn OEM fan motors

This motor replaces a failed or noisy original unit in Tjernlund duct fans, restoring rated airflow without modifying the housing. The jump is worth it when the existing motor no longer reaches 3,000 RPM or draws excessive current. It is not suited for applications requiring higher horsepower or different voltage ratings.

Highlights

  • Low power draw with 1/40 hp motor
  • Efficient airflow at 3000 RPM nameplate speed
  • Standard 115V AC supply for easy wiring
  • Reliable shaded-pole design for continuous duty
  • Direct OEM replacement for Tjernlund equipment

Specifications

BrandTJERNLUND PRODUCTS

Questions about this item

What does the 115V AC single-phase shaded-pole motor mean for everyday operation?

It runs on standard household current, draws 1.17 A at full load, and spins at 3,000 RPM without needing a capacitor or special wiring.

What physical space and mounting does the 950-0428 motor require?

The motor body fits the original Tjernlund duct-fan housing; shaft dimensions and bolt pattern match the OEM unit it replaces.

How is the motor installed and what step is often missed?

Disconnect power, remove the old motor, slide the new one into the same mount, secure the bolts, then connect the two supply wires to the same terminals — skipping the power-off step is the common error.

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