The ACB E1.2N 1250 A 3P 66 kA is a withdrawable circuit breaker with a current rating of 1250 A. It has three-poles and can handle short-circuit currents up to 66 kA. The nominal current (In) is also 1250 A. The circuit breaker has different adjustable trip settings for different types of faults. For line-to-line faults (L-I1), the adjustable range is from 500 A to 1250 A. For line-to-ground faults (S-I2), the range is from 750 A to 12500 A. For three phase faults (I-I3), the range is from 1875 A to 18750 A. And for ground fault protection (G-I4), the range is from 125 A to 1250 A. The circuit breaker features an auto EKIP Touch LSIG trip unit, which provides protection against overload, short-circuit, and ground faults. It also has HR-HR terminals for easy connection. This product comes complete with WMP+FP accessories.