The ACB E4.2H is a high-rated current circuit breaker with a capacity of 3200 A and 3-poles. It has an Icu rating of 100 kA at 415 VAC, indicating its ability to interrupt short-circuit currents. The rated short-time withstand current, Icw (1s), is 85 kA, which means it can handle high levels of current for a short duration. This circuit breaker features a withdrawable auto EKIP touch LSIG trip unit, providing added convenience and flexibility. The shunt opening is 30 VAC/DC, ensuring safe operation in case of fault conditions. The ACB E4.2H comes complete with WMP+FP+YO components, making it a comprehensive solution for electrical protection needs.