ABB Residual Current Circuit Breakers are designed to protect people and electrical installations from earth leakage currents and electric shock hazards. The portfolio includes FB200, F200, and high-immunity AP-R series devices that ensure rapid fault detection and disconnection. Suitable for residential, commercial, and industrial applications, ABB RCCBs improve safety by minimizing the risk of electrical accidents and fire hazards. Their reliable performance, long operational life, and compliance with international standards make them an essential component of modern protection systems.