The RCBO is a combined MCB/RCD with a 6 kA rating at 240 VAC. It is designed for 1P+N (single phase and neutral) systems and has a current rating of 16 A. The C curve indicates its response to overcurrent's. It is a Type A device with a sensitivity of 30 mA. The RCBO is one module wide and has a long body. It provides protection against short circuits, thermal overload, and earth leakage.