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Auto reclosing is used in case of

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- Air blast circuit breakers employ a high-pressure air blast as an arc quenching medium. Under normal condition, the contacts are closed

- When a fault occurs contacts are opened and an arc is struck between them

- Auto-reclosing is used in case of air blast C.B.

- Reclose is a circuit breaker along with protection system for overhead power lines & designed to reclose on to a fault

- It detects a fault and opens for a pre-programmed time, before closing again automatically. This cycle can be repeated 4 times