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Small rectangular motor kit, matte metal finish, output shaft visible

Tjernlund Products, Inc.

Tjernlund Products, Inc. 950-7025 Motor Kit 1/50 hp

SKU CH-R37G-T6W63

A shaded-pole motor kit rated at 1/50 hp, 120 V AC and 550 RPM for HVAC OEM replacement

  • 1/50 hp motor delivers reliable HVAC performance
  • Shaded-pole design ensures simple, dependable operation
  • 120 V AC input matches standard RV electrical systems
  • 51 A full-load draw keeps power consumption low
  • 3 frame size fits existing Tjernlund equipment

Motor Kit for HVAC Systems

The Tjernlund Products 950-7025 is a shaded-pole motor kit rated at 1/50 hp for 120 V AC single-phase supply. It turns at a nameplate speed of 550 rpm and draws 0.51 A at full load. The unit carries a 3.3 frame designation and is sold new as an OEM replacement part.

Integration and Mounting

The 3.3 frame size determines how the motor seats in the host appliance, so the existing mounting pattern must match this frame. Wiring connects directly to a standard 120 V AC circuit without additional control gear. Because the kit replaces the original motor, it frees the installer from sourcing separate frame adapters or voltage converters.

Capacity and Limits

At 1/50 hp the motor suits low-torque ventilation and circulation duties such as draft inducers or small blowers. The 0.51 A draw keeps branch-circuit loading minimal, but the fixed 550 rpm output cannot be varied for higher airflow demands. Applications requiring greater horsepower, variable speed, or a different frame size fall outside this kit's design envelope.

Highlights

  • 1/50 hp motor delivers reliable HVAC performance
  • Shaded-pole design ensures simple, dependable operation
  • 120 V AC input matches standard RV electrical systems
  • 51 A full-load draw keeps power consumption low
  • 3 frame size fits existing Tjernlund equipment

Specifications

BrandTJERNLUND PRODUCTS

Questions about this item

How long can the 1/50 hp shaded-pole motor run continuously before overheating?

The motor is rated for 120 V AC at 0.51 A full-load current with a nameplate speed of 550 RPM; shaded-pole designs of this frame size are built for continuous duty when mounted in the original equipment airflow path.

What noise and heat levels should I expect when the motor runs all day in an RV vent?

At 550 RPM the 3.3 frame shaded-pole motor produces low mechanical noise and modest heat; the 0.51 A draw at 120 V keeps winding temperature rise within design limits for the original ventilation housing.

Which existing components must be in place for this 950-7025 kit to operate?

You need the matching OEM fan wheel, mounting bracket and 120 V AC supply wiring that the original Tjernlund unit used; the kit supplies only the 1/50 hp motor itself.

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