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    TeSys LT3

    Thermistor protection relays


    TeSys LT3
    • Features

      • 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


      Intelligent product with built-in machine temperature control function and quick, simple selection.


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