The MCCB XT2N is a 160 A frame, 3P fixed circuit breaker with a thermal magnetic (™ A) trip unit. It has front terminals and is manufactured by ABB. The circuit breaker has a breaking capacity of 36 kA and an rated current (In) of 63 A. The adjustable overload current range (I1) is from 44.1 A to 63 A, while the adjustable short-circuit current range (I3) is from 300 A to 630 A.