What does BRK relay protection mean

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A form of protection that is designed to detect the failure of a circuit breaker to operate or to interrupt a fault. Long term cost reduction (TCO) for trainings and maintenance by reduce variety of relays A fast and selective arc fault mitigation for air-insulated LV & MV switchgear and Relion protection and control relays and sensor. Protective relays and devices have been developed over 100 years ago to provide "lastline"of defense for the electrical systems.

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