The ACB E4.2H is a high-rated current circuit breaker with a capacity of 3200 A and 3P. It has an Icu rating of 100 kA at 415 VAC, indicating its ability to handle high fault currents. The circuit 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 enhanced protection and control capabilities. It is equipped with shunt opening and closing mechanisms, as well as a motor operator that operates on both 24 VAC and 24 VDC power sources. To ensure comprehensive functionality, the ACB E4.2H comes complete with WMP, FP, YO, YC, and MOP components. This circuit breaker is designed to meet the needs of engineers seeking a reliable and efficient solution for managing high currents in their electrical systems.