The ABB XT4HQ3150AYJ000XXX is a NEXT4H 250 TMF 150-1500 3P F F UL/CSA molded case circuit breaker. It's a three-pole unit with a fixed thermal-magnetic trip unit rated at 250 A, adjustable from 150 A to 1500 A. UL and CSA listed for North American panel builds.
Lifecycle stage is current. ABB still produces this order code.