The ACB E2.2N 2500 A 4P 66 kA is a withdrawable circuit breaker with a current rating of 2500 A. It has four-poles and can handle short-circuit currents up to 66 kA. The circuit breaker features an auto EKIP Touch LSIG trip unit, which provides protection against overloads and short circuits. It has different current ranges for different applications: L-I1 range is from 1000-2500 A, S-I2 range is from 1500-25000 A, I-I3 range is from 3750-37500 A, and G-I4 range is from 250-2500 A. The HR-HR terminal complete WMP+FP ensures easy installation and connection of the circuit breaker.