The MCCB XT7S is a 1250A frame, 3P circuit breaker with a fixed rating of 50kA. It has an In rating of 1250A and I1 ranges from 500A to 1250A. The S-I2 range is from 750A to 12500A, while the I-I3 range is from 1875A to 18750A. This circuit breaker features a touch LSI trip unit and belongs to class 1 metering. It has front terminals and is manufactured by ABB.