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Motor winding temperature monitoring

To monitor the temperature of motor windings, temperature-dependent resistors are often built into the motor windings. These PTC resistors become highly resistant as temperatures increase and thereby act as sensors. They detect a temperature rise at the motor motor and activate the relay to process the message further.

Application examples

Temperature monitoring for motors  

Temperature monitoring for motors

  • Motor winding temperature monitoring for conveyor belt drives
  • Protection of motors against thermal and mechanical overload, e.g., due to insufficient cooling, high-inertia starting, undersizing

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