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Answer Posted / vidya sagar reddy
In VCB the arc quenching media is Vaccume. We can use up to 33KV. SF 6 arc quenching media is Sulfur hexa fluoride gas. Which is very effective comparing with VCB. Available only above 33KV.
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please forward me the type of questions which would rise while me attending to 33KV Electrical License to my mail ID:vadrevu_raghava@yahoo.co.in
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