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which type of breaker sould be used for different level of
voltage ? (i.e at 11 Kv, 33 Kv, 66 Kv....
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Answer Posted / birinchi narayan boruah
For LT: 415 V
Use ACB (Air blast Circuit Breaker)
For 11KV and 33KV:
Use VCB (Vaccum Circuit Breaker) or SF6 CB (Sulphar Hexa Floride Circuit Breaker).
For 66KV, 132KV and 220KV:
use SF6 Circuit Breaker or Oil Circuit Breaker
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