The ABB RCBO is a combined MCB/RCD that offers protection against short circuit, thermal overload, and earth leakage. It has a 10 kA breaking capacity at 230 VAC and is designed for commercial and industrial use. The RCBO is 1P+N (single-pole + neutral) and has a current rating of 40 A. It features a C curve trip characteristic and operates at a sensitivity of 30 mA. The RCBO is two modules wide, making it suitable for installation in various electrical panels or distribution boards.