A circuit breaker protects the wires, but not the person. An RCD watches the leakage current and instantly disconnects the line when current "escapes" to a body or to earth. That is what saves lives from electric shock.
For a flat, a 30 mA RCD is usual; it is especially required for wet zones — bathroom, kitchen, washing machine, water heater, outdoor sockets. An RCBO combines the RCD and the breaker in one device, saving space in the board.
The choice depends on the line current and the sensitivity. The Electrica Group catalogue has RCDs, RCBOs and breakers, and our specialists will help assemble the board correctly — the "For Long Life" way and to safety code.
