The ACB E4.2H is a 3P circuit breaker with a rated current of 3200 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. The ACB E4.2H features a withdrawable auto EKIP touch LSIG trip unit, which provides protection against overloads, short circuits, and ground faults. It has a shunt opening of 48 VAC/DC. This circuit breaker is complete with WMP+FP+YO components for enhanced functionality and performance.