The RCBO is a combined MCB/RCD that provides protection against short circuit, thermal overload, and earth leakage. It has a breaking capacity of 6kA at 230VAC and is designed for use in a 1P+N configuration. The RCBO has a current rating of 40A and follows the C curve Type A standard. With a sensitivity of 30mA, it offers reliable detection of earth faults. The RCBO is two modules wide, making it suitable for various electrical installations.