For high voltage and low current Circuit Breaker preferred is vacuum circuit

For high voltage and low current Circuit Breaker preferred
is vacuum circuit breaker.why?

Question Posted / kabir0921

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For high voltage and low current Circuit Breaker preferred is vacuum circuit breaker.why?..

Answer / anandbadiger

Vacuume is having high dielectric strength & in High voltage
breaker restriking voltage will be more to de ionize the
voltage vacuume is the best media

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