IL9837 – 0068998

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• 
  0058388

  IL9837 – 0058388

  IL9837.11 5-200HZ UH AC115V
  Monitoring of alternating voltages for over- or underfrequency

  Hysteresis: 1 - 20 %

  Contact assembly: 1 changeover

  Auxiliary voltage: AC 115 V

  Measuring range: 5 - 200 Hz

  Start-up bridging: Without

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• 
  0063052

  IL9837 – 0063052

  IL9837.11/504 5-200HZ UH AC400V
  Frequency input for frequency inverter, frequency mode switchable
  With measuring input for frequency converter
  With adjustable start-up bridging time

  Hysteresis: 1 - 20 %

  Contact assembly: 1 changeover

  Auxiliary voltage: AC 400 V

  Measuring range: 5 - 200 Hz

  Start-up bridging: 0,1 - 20 s

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• 
  0063368

  IL9837 – 0063368

  IL9837.11/504 5-200HZ UH AC230V
  Frequency input for frequency inverter, frequency mode switchable
  With measuring input for frequency converter
  With adjustable start-up bridging time

  Hysteresis: 1 - 20 %

  Contact assembly: 1 changeover

  Auxiliary voltage: AC 230 V

  Measuring range: 5 - 200 Hz

  Start-up bridging: 0,1 - 20 s

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• 
  0059000

  IL9837 – 0059000

  IL9837.12/500 1-300HZ UH AC230V
  Frequency input for frequency inverter, frequency mode switchable
  With measuring input for frequency converter

  Hysteresis: 1 - 20 %

  Contact assembly: 2 changeovers

  Auxiliary voltage: AC 230 V

  Measuring range: 1 - 300 Hz

  Start-up bridging: Without

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