The ABB XT4XU3125AFF000XXX is a three-pole breaking part from the XT4X 250 series, configured for front-to-front (F F) mounting with UL/CSA and TU approvals. It is the interrupt mechanism for an XT4 molded-case breaker frame rated at 250 A, meaning it sits inside the breaker housing and opens the circuit under fault or manual trip conditions.
ABB XT4XU3125AFF000XXX 3P F F UL/CSA Breaking Part, current
MPNXT4XU3125AFF000XXX
ABB, XT4X 250 breaking part, XT4XU3125AFF000XXX, 3P F F UL/CSA+TU, lifecycle stage current.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Product details
Frequently asked questions
Where can I buy XT4XU3125AFF000XXX?
This part is sourced to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.
What is the description of XT4XU3125AFF000XXX?
The listed description is 'XT4X 250 BREAKING PART 3P F F UL/CSA+TU'.
MPN
XT4XU3125AFF000XXX