Answer / mdrameeztp

ACB- Air Circuit Breaker
Here the medium used to quench the spark is Air

VCB- Vaccum Circuit Breaker
Here it is Vaccum

similarly there are OCB- Oil circuit Breaker
MOCB-Minimum Oil Circuit Breaker etc.

Answer / abhishek manthapurwar

ACB-Air circut breaker for lv aplication and
vcb ius vaccume circuit breaker for hv application that is
the diffrence

Answer / thul_dhul@yahoo.com

ACB-air circuit breaker
VCB_ vacuum circuit breaker

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