UH 6937

  • PLe, category 4, SIL 3
  • Over-, underfrequency or window monitoring of single or 3-phase in AC systems
  • Display and push buttons to set parameters
  • Universal measuring inputs for AC-voltages of 8 … 280 V for single-phase monitoring as well as 16 … 690 V for single- and 3-phase monitoring
  • Suitable for inverters
  • Adjustable hysteresis, start up time delay, alarm delay ja reset delay
  • Manual or auto-reset
  • 2-channel function
  • LED-indicators and 2 semiconductor monitoring output
  • Width 45 mm

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