Models A & AA

Download Data Sheet for Models A & AA

Model A & AA with thermostat crimp connections

Schematic - Pin Diagram for Model A & AA with thermostat crimp connections

(Click here for the Current Derating Curve chart)

Metric Dimensions are shown in mm (Shown in green)
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Standard Marking System
Standard Marking System
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A creep-action thermostat with crimp connections for fast, easy termination.  Available in same end (Model A) or opposite (Model AA) termination.  Designed for use on low-current 120 VAC loads.


  • Conductive bimetal construction; the bimetallic element carries the circuit current.
  • Creep action device; slow make/slow break switching action.
  • No built-in differential between the opening and closing temperature.
  • Case electrically alive; insulating sleeving is available.
  • Preset calibration temperature; not adjustable in the field.
  • Available with same end termination, Model A; or opposite end termination, Model AA.
  • Available with factory applied lead wires

Contact Ratings

  • 3 amps 120 VAC resistive
  • 4 amps 120 VAC inductive
  • 2 amps 120 VAC resistive (heating pads)

Calibration Range

Available with nominal calibration temperatures from 5°C to 150°C.

UL Recognitions

CSA Certifications