The ACB E4.2N is a 3P circuit breaker with a rated current of 3200A. It has a short-time withstand current rating of 66kA for 1 second and an Icu rating of 66kA at 415V AC. The circuit breaker features a withdrawable auto EKIP Touch LSIG trip unit with horizontal rear terminals. It also includes a shunt opening release that operates at 30V AC/DC. The ACB E4.2N comes complete with WMP+FP functionality.