Protects the motors against over temperature caused by excess ambient temperature, insufficient ventilation or cooling, etc.

  • DIN rail mounting.
  • Visual indication of trip cause.
  • Controls the temperature by the use of thermistors (PTC sensors).
  • Detects short-circuit (< 25Ω) and rupture in the circuit of sensors.
  • Protects the motors against over temperature caused by excessive ambient temperature, insufficient ventilation or cooling, etc.
  • Applicable in transformers and other machines.

Protection functions

  • Overtemperature
  • Thermistor short-circuit
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