The ABB RCBO is a combined MCB/RCD that offers 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) with a current rating of 20A. It features a C curve and Type A sensitivity with a trip current of 30mA. The RCBO is two modules wide, making it compact and space-saving.