The ABB RCBO is a combined MCB/RCD that offers protection against short circuit, thermal overload, and earth leakage. It has a 10kA breaking capacity at 230VAC and is designed for commercial and industrial use. The RCBO is 1P+N (single pole + neutral) and has a C curve with a Type A sensitivity of 30mA. It features a test button with a minimum operating voltage of 110V and is two modules wide.