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Breaker protection

ABB’s protection solutions are designed to ensure safe and reliable operation of breakers for different substation arrangements and layouts.

The breaker protection solutions are designed to provide a standalone solution for applications where the integration of the breaker failure protection or automatic reclosing function into the main line protection or centralized busbar protection or bay unit of distributed busbar protection is not preferred or suitable.

Typical applications
  • Breaker bay with back-up  protection functions, three-phase tripping

  • Breaker bay connecting a sub-transmission/transmission line, with back-up protection functions, single-phase tripping, single busbar section

  • Breaker bay connecting a sub-transmission/transmission line, with back-up protection functions, single-phase tripping, two busbar sections
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