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 has a single-pole plus neutral configuration (1P+N) with a current rating of 20 A. It features a C curve trip characteristic and operates at a sensitivity of 30 mA. The device is two modules wide and belongs to the Type F category.