Residual Current Circuit Breakers (RCCB) is a sensing device and essential safety devices designed to instantly disconnect a circuit upon detecting current leakage. It can automatically measure the amount of current and disconnect the circuit when the current surpasses the rated sensitivity. RCCB provide robust protection against electrocution and electric shocks caused by accidental contact with exposed wires.
RCCB operates on the principle of detecting and responding to imbalances in electrical currents. In a balanced circuit, where the current flowing ‘IN’ is equal to the current flowing ‘OUT’, there is no residual current. However, if there's an imbalance, indicating leakage to the ground or an unintended path, the RCCB detects the difference in currents. Upon sensing such a discrepancy, the RCCB rapidly disconnects the circuit, preventing potential electric shocks or fires. This safety mechanism makes RCCBs crucial components in electrical systems, enhancing protection against electrical hazards.
