The NB8LE-63M Residual Current Operated Circuit Breaker (RCBO) is an electronic device providing comprehensive overload, short-circuit, and earth leakage protection. It ensures enhanced personnel and fire safety by reliably disconnecting circuits during fault conditions. With 10kA breaking capacity and C and D tripping curves, this RCBO delivers dependable circuit interruption and fault prevention, making it ideal for residential, commercial, and industrial electrical installations.