Rccb Circuit Breaker Meaning. I n 30ma we generally found it in rccbs residual current circuit breaker. It denoted sensitivity of that rccb means this rccb will trip if unbalance current will exceed from 30 ma.
Residual current breaker rcb works on the assumption that the current going to the electronics device must come out from the neutral wire if there is no other way for current flow. Rccb or rcd is the new name that specifies current operated hence the new name to distinguish from voltage operated. A residual current circuit breaker rccb is an important safety measure when it comes to protection of electrical circuits.
The phases and the neutral.
Rccb is named as residual current circuit breaker because of it protects against residual current. Residual current means flow of leakage current between live conductor to earth. A residual current device rcd residual current circuit breaker rccb or ground fault circuit interrupter gfci is a device that quickly breaks an electrical circuit to prevent serious harm from an ongoing electric shock. It is a current sensing device which can automatically measure and disconnect the circuit whenever a fault occurs in the connected circuit or the current exceeds the rated sensitivity.
