The ACB E4.2H is a 3P circuit breaker with a rated current (In) of 4000 A. It has an Icu rating of 100 kA at 415 VAC, indicating its ability to interrupt short-circuit currents. The breaker also has a rated short-time withstand current, Icw (1s), of 85 kA. It features a withdrawable auto EKIP touch LSIG trip unit, which provides protection against overload, short circuit, and ground fault conditions. The breaker is equipped with shunt opening and closing mechanisms, as well as a motor operator that operates within the voltage range of 380-415 VAC. The ACB E4.2H comes complete with WMP+FP+YO+YC+MOP components for enhanced functionality and control.