Rccb Circuit Breaker Diagram. Then rccb trip the circuit. When you press a switch the current starts flow from line to earth.
Working principle of residual current circuit breaker the basic operating principle lies in the toroidal transformer shown in the diagram containing three coils. Rccb test circuit wp ad camp 2 working principle of. On the other hand rccb has three major parts 1.
Then rccb trip the circuit.
Injury may still occur in some cases for example if a human falls after receiving a shock or if the person touches both conductors at the same time which an rcd won t. A test switch is used to check the working condition of rccb. When the voltage applied across the relay it sends the signal to the circuit breaker to trip or disconnect the load from the main power supply. Mcb is a protective device which protects the electrical circuit as well as loads from short circuit and overload faults.
