The letters ACB stand for Air Circuit Breaker. These types of circuit breakers are used for high voltage switching. The breakers are usually enclosed in steel switch gear enclosures that are situated in electrical service vaults.
Chat with our AI personalities
acb means AIR CIRCUIT BREAKER ,& vcb means VACUUM CIRCUIT BREAKER
Actually ACB isused for Low Tension side and VCB is used for High Tension Side..Chappa matter
Dielectric Strength of Vacuum is more than that of Air. In HT voltage is more than LT. So VCB is used in HT & ACB in LT. Rakesh Gaikwad
handling the circuit breaker
There isn't, the contacts in a circuit breaker are plated with silver.