Motor Protection for Refrigerant Compressors

  • KRIWAN represents the latest generation of smart condition monitoring. For over 50 years the results are still the same: Maximum efficiency, optimum reliability and minimum maintenance.
  • For more than 50 years, KRIWAN has been the premier specialist for electronic protection for refrigerant compressors and rotary machines. Motor protection and INT69 trigger devices have become synonymous with the KRIWAN brand.
  • Developed and produced at Kriwan’s location in Forchtenberg in the German state of Baden-Württemberg, they monitor various parameters such as power supply and voltage, output, phase sequence, temperature development and switching cycles, thus offering reliable protection against overheating and malfunctions.
  • The INT 69 series includes various special versions tailored perfectly to different sectors and their requirements.