What the ratings mean for the panel
The XT4SU3225AFJ000XXX: 250 A TMF trip: thermal element handles overloads on a slow curve; magnetic element clears short-circuits fast. 3-pole breaker, UL/CSA.
Sourcing and lifecycle
Lifecycle stage is current — ABB is still building this order code. No last-time-buy notice, no successor MPN to chase. For a BOM freeze or a panel-build repeat, this part stays in the supply chain without a forced redesign. Sourced to order against an RFQ through independent distribution; availability and pricing confirmed at quote time.