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 motor operator operates on both 240-250 VAC and DC power sources. The ACB E4.2H comes complete with WMP+FP+MOP components for enhanced functionality and control.