RCD Vs. RCBO: What is the Difference? RCDs can protect against electric shocks, residual currents, and earth faults. On the other hand, RCBOs can do what RCDs can do and protect a circuit from short circuits and overload. RCBOs are essentially a combination of MCB and RCCB. As such,...
In practice, the mainMiniature Circuit Breaker(MCB)for the premises will probably trip, or the service fuse so the situation is unlikely to lead to catastrophe, but it may be inconvenient.RCDsnormally don’t offer protection against current overloads:RCDsdetect an imbalance between the live an...