Temperature monitoring relay with self-latching output, 17,5mm Push-in terminals

K8AK-TS relays monitor the temperature of the motor’s thermal protection. K8AK-PT monitors temperature, phase sequence and phase loss for 3-phase, 3-wire motors in one unit.

  • Specially designed for internal motor monitoring: no setting required

  • Test/Reset button for confirmation of output operation

  • Reset operation: automatic or manual

  • Robust operating temperature: -20 to 60 ⁰C


  • 22.5 mm (w) body
  • External Test/reset button
  • Selectable reset feature


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