The ACB E4.2H is a 3P circuit breaker with a rated current of 4000 A. It has an Icu rating of 100 kA at 415 VAC and a rated short-time withstand current (Icw) of 85 kA for 1 second. The circuit breaker features a withdrawable auto EKIP touch LSIG trip unit, shunt opening and closing capabilities, and a motor operator that operates on 110-120 VAC/DC. It comes complete with WMP+FP+YO+YC+MOP components.