DBC Differential

Distributed Low-impedance Busbar Differential + Breaker Failure Protection (Central Unit)

Main Features:

  • Up to 28 bays and 5 buses
  • 3 settings group
  • Easily scalable with new bays
  • Main Differential and Supervision Differential units
  • Breaker Failure
  • Supports mixed x/1A and x/5A CTs
  • Robust design against CTs saturation
  • Dynamic Protection Zone Logic and End Fault Protection Unit
  • Tie Blind Spot Unit.
  • Lockout Function
  • Glass Fiber Optic communication with the bay units
  • Cost-effective solution for MV and retrofit projects



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