Oil circuit breaker is a switching device designed to protect an electric circuit from overloads such as excessive current flows and voltage failures. It performs the same function as a fuse, and many houses now have a circuit breaker between the incoming mains supply and the domestic circuits. Circuit breakers usually work by means of magnetic-type relays and dielectric oil (transformer oil) for the purpose of arc extinction.
More details:View company website
Its Free
Verify Now