ABB XT5S 400 molded case circuit breaker, TMA 400-4000 A trip unit, 3-pole, fixed front terminals, UL listed.
ABB XT5SU340ABFN000XXX XT5S 400 TMA 400-4000 3P FF UL, curre
MPNXT5SU340ABFN000XXX
ABB XT5S 400 molded case circuit breaker, TMA 400-4000 A trip unit, 3-pole, fixed front terminals, UL listed.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Product details
Frequently asked questions
What is the closest pin-compatible alternative to XT5SU340ABFN000XXX in this component family?
Within the XT5S 400 frame family, the TMA trip unit and fixed front terminal configuration are specific to this order code. For a direct functional equivalent, the same frame and trip range with a different terminal style (e.g., plug-in or withdrawable) would require a different order code. No pin-compatible drop-in alternative is listed in the evidence.
How do I get current pricing and availability for XT5SU340ABFN000XXX?
Pricing and availability are confirmed at quote time against an RFQ through independent distribution. Submit an RFQ for current market pricing and lead time.
What compliance documentation does this brand provide for XT5SU340ABFN000XXX (RoHS, REACH, UL, IEC)?
The UL listing is indicated in the description (3P FF UL). RoHS and REACH compliance documentation is typically available from ABB for the XT5S series; verify at the time of order for the specific production batch.
MPN
XT5SU340ABFN000XXX