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IBC/IBCG Directional Overcurrent Relay

IBC relays are under last-time buy. Orders may be placed until 30th September 2022. As an alternative, please refer to P14D or 350.

Manufacturing for IBCG has been discontinued. As an alternative, please refer to the 350 and P14D relays.

The Type IBC directional overcurrent relays are employed primarily for the protection of feeders and transmission lines in applications where single-phase relays are desired or required.

The Types IBC and IBCG relays consist of two units, an instantaneous power-directional unit (bottom) of the induction-cup type, and a time overcurrent unit (top) of the induction-disk type. The directional- unit contacts control the operation of the overcurrent unit (directional control).

Features and Benefits
  • Mechanical targets
  • 3 inverse time/current operating
  • characteristics
  • Drawout case
  • Applications
  • Directional phase fault protection (IBC)
  • Directional ground fault protection (IBCG)
  • Protection and Control
  • Time overcurrent
  •