The ABB MCCB XT7H is a 1250A frame, 3P (three pole) circuit breaker with a fixed rating of 70kA. It has an In (rated current) of 1250A and I1 (adjustable overload current range) of 500-1250A. The short-circuit interrupting capacity ranges from S-I2: 750-12500A and I-I3: 1875-18750A. This MCCB features a touch LSI trip unit with class 1 metering capabilities. It is designed with front terminals for easy installation and connection.