The ABB RCBO is a combined MCB/RCD that provides protection against short circuit, thermal overload, and earth leakage. It has a breaking capacity of 10kA at 230VAC and is designed for commercial and industrial use. This RCBO is 1P+N (single pole + neutral), rated at 40A with a C curve and Type A sensitivity of 30mA. It occupies two modules in the electrical panel.