RCBOs (Residual Current Circuit Breaker with Overload Protection) are single units which protect against the two faults usually covered separately by the RCD (residual current device) and MCB (miniature circuit breaker). FuseBox products, manufactured by CP Electric Ltd, are fast becoming the dominant name in circuit protection products, known for producing high quality products at affordable prices. Their RCBOs used in the FuseBox T2 surge protection consumer units brings comprehensive circuit protection at a very reasonable price.