The ACB E4.2H is a high-rated current circuit breaker with a capacity of 3200 A and 3P configuration. 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 110-120 VAC and DC power sources. To ensure comprehensive functionality, the ACB E4.2H comes complete with WMP+FP+YO+YC+MOP components. This circuit breaker is designed to meet the needs of engineers seeking a reliable and versatile solution for their electrical systems.