Slim-line relays monitor three-phase motor temperature, phase sequence and phase loss.

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 Teset/rest button
  • Selectable reset feature
Specifications & ordering info



Ordering info

Function                                                                                          Power supply voltageModel
Phase sequence, phase loss, and temperature monitoring100 to 240 VACK8AK-PT1 100 to 240 VAC
Temperature monitoringK8AK-TS1 100-240 VAC
24 VAC/DC        K8AK-TS1 24 VAC/DC

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