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ABB XT5NU340ABYN000XXX — Molded Case Circuit Breakers (MCCB)

XT5NU340ABYN000XXX ABB NEXT5N 400 TMA 400-4000 3P FF UL

MPNXT5NU340ABYN000XXX

ABB NEXT5N 400 TMA 400-4000 3P FF UL, order code XT5NU340ABYN000XXX.

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

Product details

Sourcing and Availability

With a lifecycle stage of current, the XT5NU340ABYN000XXX is an active catalog item. It is sourced and quoted to order against an RFQ through independent distribution channels. Availability and current pricing are confirmed at the time of quote.

Frequently asked questions

What does the description NEXT5N 400 TMA 400-4000 3P FF UL mean?

It describes a NEXT5N series molded case circuit breaker with a 400 A frame, TMA trip unit (thermal-magnetic with adjustable magnetic trip), adjustable magnetic trip range of 400-4000 A, three-pole configuration, fixed front terminals, and UL listing.

Where can I buy the XT5NU340ABYN000XXX?

This part is sourced to order against an RFQ through independent distribution. Submit an RFQ for current availability and pricing.

MPN
XT5NU340ABYN000XXX