Model H

Download Data Sheet for Model H

Snap Action Model H

Schematic - Pin Diagram for Snap Action Model H

Metric Dimensions are shown in mm (Shown in green)
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A Snap Action Thermal Protector specifically designed for DC voltage applications.  This miniature device operates as a high limit single operation (non-resettable) type control.  Has the functionality of a thermal fuse but can be tested for operation to insure proper function.


  • Snap action device; quick make/quick break switching action.
  • Single operation type device. The reset temperature is less than -35°C. This prevents the thermostat from resetting under normal operating conditions.
  • Unique construction provides for fast thermal response.
  • Phenolic resin case isolates the device from the electrical circuit and is suitable for use in high temperature applications.
  • Can be mounted directly on a heated surface.
  • Preset calibration temperature, not adjustable in the field.
  • Opposite end termination allows for flexibility of installation.
  • Factory Installed lead wires or terminals available -Consult Factory.

Contact Ratings

  • 4 amps/36V DC (resistive)

Calibration Range

  • Available with nominal calibration temperatures from 160°C to 220°C.

UL Recognitions

CSA Certifications