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ABB XT4LU3050AFF00NXXX — Molded Case Circuit Breakers (MCCB)

ABB XT4LU3050AFF00NXXX XT4L 250 A molded case circuit breake

MPNXT4LU3050AFF00NXXX

ABB XT4L series, XT4LU3050AFF00NXXX, molded case circuit breaker, 250 A frame, TMF 50-500 A thermal-magnetic trip, 3-pole, fixed, UL/CSA.

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Product details

What this order code means

It is a 3-pole fixed version with UL/CSA certification, meaning it is listed for North American panel builds and meets the short-circuit current ratings required by UL 489 and CSA C22.2 No. 5.

Deployment context

The 250 A frame and TMF trip make it suited for feeder protection in motor control centers, distribution panels, and industrial switchboards where thermal-magnetic overload and short-circuit protection is needed on 3-phase circuits.

Frequently asked questions

Where can I buy XT4LU3050AFF00NXXX and how do I get a price?

This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.

What does the description XT4L 250 TMF 50-500 3P F F UL/CSA mean?

It means this is an XT4L series MCCB on a 250 A frame, with a thermal-magnetic trip adjustable from 50 to 500 A, 3-pole, fixed version, front terminals, and UL/CSA certified.

MPN
XT4LU3050AFF00NXXX