The CBi Earth Leakage 1 Pole + N 6kA SF15A is a single-phase miniature circuit breaker with integrated earth leakage (RCD) protection, combining overload and short-circuit defence in one compact unit. Featuring hydraulic-magnetic tripping technology for temperature-independent accuracy and a top busbar design for simplified installation, it suits both DIN rail and front-mount applications. Ideal for residential and commercial electrical installations requiring combined MCB and earth leakage protection.