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 10 kA at 230 VAC and is designed for commercial and industrial use. This RCBO is 1P+N (single-pole + neutral), rated at 40 A with a C curve and Type A sensitivity of 30 mA. It occupies two modules in the electrical panel.