Disc Thermostats

Disc thermostat are small and inexpensive components that are suitable as a protective device and for controlling up to 100,000 switching cycles.

Turn with a 1/2" bimetallic disc at a preset temperature and are available in custom designs, which the customer can build itself around them ideal to incorporate in its use in a wide range.

AT-T23 Series


  • AC 250V / 10A 100.000 cycles
  • AC 250V / 16A 10.000 cycles
  • 50°C...175°C
  • NC, NO or manual reset
  • Plastic case
  • Over 25.000 different designs

TK24HT Series


  • AC 250V / 10A 10.000 cycles
  • 250°C...425°C
  • NC
  • Ceramic case
  • Over 100 different designs

AT-T24 Series


  • AC 250V / 10A 100.000 cycles
  • AC 250V / 16A 10.000 cycles
  • 40°C...250°C
  • NC, NO or manual reset
  • Plastic- or ceramic case
  • Over 25.000 different designs


α Therm


Alpha Therm GmbH - Your specialist for temperature-limiting

safety components, sensor elements or sensors

© 2018 Alpha Therm GmbH

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Phone: +49 6202 / 575688 - 0

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Temperature protection

Temperature Protection

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Overload protection

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Mechanical switches

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