TeSys LT3


  • Monitors the temperature of machines to be protected via PTC thermistor probes
  • LT3-SE: with automatic reset
  • LT3-SA: with automatic reset; voltage fault indicator light incorporated
  • LT3-SM: with manual reset; voltage fault indicator light, device “test" and "reset" button incorporated
  • Connection via cage connectors


  • Intelligentproduct with built-in machine temperature control function and quick,simpleselection.


  • Industry, infrastructure, building, etc:
  • General protection and protection of motors with PTC probes
  • Protection of resistors, bearings, capacitors
  • Frequent starts, severe environments


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