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Tjernlund power venter motor, closed base, 42 frame

Tjernlund Products, Inc.

Tjernlund Products 950-1022 Power Venter Motor 1/5 hp 115V 2.5A 700 RPM 42 Frame

SKU CH-N6NN-NR1YF

Replacement motor delivers 1/5 hp at 700 RPM on 115 V AC drawing 2.5 A in a 42 frame closed-base design

  • weight10.58
  • typeClosed Base
  • materialHAWA
  • 1/5 hp permanent-split-capacitor motor delivers reliable venting power
  • 115 V single-phase design matches standard residential wiring
  • 5 A full-load current suits typical branch circuits
  • 700 RPM nameplate speed provides consistent airflow
  • 42 frame closed-base construction fits OEM Tjernlund replacements

Motor Specifications

The Tjernlund 950-1022 is a permanent split capacitor motor rated at 1/5 hp for 115V AC supply. It delivers a nameplate speed of 700 RPM while drawing 2.5 A at full load. The 42 frame size fits existing power venter housings as a direct OEM replacement. Buyers needing three-phase power or a different horsepower rating cannot use this unit.

Thermal and Electrical Behaviour

Single-phase PSC design provides steady torque with predictable current draw under normal venting loads. The 2.5 A full-load figure allows straightforward circuit planning for 115 V installations. No variable-speed electronics are included, so speed remains fixed at the nameplate rating. Installations requiring soft-start or speed modulation will need external controls not supplied here.

Mechanical Build and Mounting

Closed-base construction protects windings from debris in typical venting environments. The 42 frame dimensions align with standard mounting bolt patterns for drop-in replacement. HAWA material designation indicates the housing composition specified by the manufacturer. Applications needing a different frame size, shaft configuration or open-base airflow must select an alternative motor.

Highlights

  • 1/5 hp permanent-split-capacitor motor delivers reliable venting power
  • 115 V single-phase design matches standard residential wiring
  • 5 A full-load current suits typical branch circuits
  • 700 RPM nameplate speed provides consistent airflow
  • 42 frame closed-base construction fits OEM Tjernlund replacements

Specifications

BrandTJERNLUND
weight10.58
typeClosed Base
materialHAWA

Questions about this item

How do I wire the 115V 2.5A motor to the existing power venter control box?

Connect the black and white leads to the 115V supply terminals on the control board, matching the original wiring diagram; the permanent split capacitor is internal so no external capacitor wiring is needed.

When should I replace the bearings in this 42-frame 700 RPM motor?

The closed-base bearings are sealed for life; plan on replacing the entire motor assembly once vibration or noise increases beyond normal levels.

At what point does the 1/5 hp rating limit continuous venting performance?

The 1/5 hp output caps airflow at the nameplate 700 RPM; sustained operation beyond the rated load will trip the internal overload before any mechanical damage occurs.

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