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Special Thermal Switches

These are snap action devices with Quick Make/Quick Break action. An electrically isolated bimetal disc is used to either open or close the circuit current.

A self-hold feature is also available for applications where added safety is required.


  • IP65 rated moisture-proof housings
  • Brass housed temperature switches
  • One-shot bi-metal thermal fuses
  • S.P.D.T. or “changeover” versions
ATC Semitec stock a range of PEPI EAW Thremal Switches Special Thermal Switch Drawing