The RCBO is a combined MCB/RCD that provides protection against short circuit, thermal overload, and earth leakage. It has a breaking capacity of 6 kA at 240 VAC and is designed for use in a 1P+N configuration. The RCBO has a current rating of 20 A and follows the C curve Type A standard. It has a sensitivity of 30 mA and is one module wide with a long body design.