The ACB E2.2N is a 2000 A, 4P, withdrawable circuit breaker with a rating of 66 kA. It has an In (rated current) of 2000 A and offers different current ranges for different functions: L-I1 (long-time delay) ranges from 800-2000 A, S-I2 (short-time delay) ranges from 1200-20000 A, I-I3 (instantaneous trip) ranges from 3000-30000 A, and G-I4 (ground fault protection) ranges from 200-2000 A. This circuit breaker features an auto EKIP Touch LSIG trip unit and HR-HR terminals. It also comes complete with WMP+FP functionality.