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This FAQ has been written for NEAL (North East Africa and Levant) region. If you are looking for information for another region, please select the correct country from the top-left dropdown in the page and 'Navigate to Browse FAQs' in the Support menu.
What is the definition of ANSI 50BF - Breaker failure?
If a breaker fails to be triggered by a tripping order, as detected by the non-extinction
of the fault current, this backup protection sends a tripping order to the upstream or
adjacent breakers.
of the fault current, this backup protection sends a tripping order to the upstream or
adjacent breakers.
Released for:Schneider Electric Egypt and North East Africa
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