The ABB XT1HU3125AFF000XXX is a robust and reliable circuit breaker designed for optimal performance in electrical systems. It features a thermal magnetic frame (TMF) with a current rating range of 125-1250 Amperes, ensuring flexibility and adaptability for various applications. This 3-pole circuit breaker is equipped with a fixed-fault (F F) configuration, providing enhanced protection and safety. Certified by UL and CSA, it meets stringent safety standards, making it suitable for use in both residential and commercial settings. The XT1H 125 model is engineered for durability and efficiency, offering a dependable solution for managing electrical circuits.