Pulagi mu Type RCBO 1P+N, mwachitsanzo Pulagi mu Type Residual Current Circuit Breaker with Overload Protection (Residual Current Circuit Breaker with Overload Protection), 1P+N imasonyeza kuti chiwerengero cha mitengo yake ndi unipolar plus ziro line. Sikuti amangopereka chitetezo chochulukirapo komanso chachifupi, komanso ali ndi ntchito yoteteza kutayikira, yomwe imatha kuzindikira ndikudula kutayikira komweku mumzere wapansi, motero kutsimikizira kuti magwiridwe antchito amagetsi ndi chitetezo chamunthu.