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ABB XT2NU3015AFF000XXX — Molded Case Circuit Breakers (MCCB)

ABB XT2NU3015AFF000XXX XT2N MCCB, 125 A TMF, 15-400 A, 3P, U

MPNXT2NU3015AFF000XXX

ABB XT2N molded case circuit breaker, XT2NU3015AFF000XXX, 125 A frame, TMF 15-400 A trip, 3-pole, UL/CSA listed.

ABB XT2NU3015AFF000XXX datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Product details

The ABB XT2NU3015AFF000XXX is a 3-pole molded case circuit breaker (MCCB) from the XT2N series, fitted with a TMF thermal-magnetic fixed trip unit adjustable from 15 A to 400 A on a 125 A frame. The UL/CSA listing on the description means it carries the approvals needed for North American panel builds — no separate fuse holder or supplementary protector required for branch circuit protection in a 480Y/277 V distribution.

The 125 A frame size with a TMF trip unit adjustable 15-400 A means this breaker covers a wide motor and feeder range on a single physical footprint — useful when stocking one frame for multiple branch ratings. The TMF (thermal-magnetic fixed) trip provides inverse-time overload protection and instantaneous short-circuit response; the 3-pole configuration suits three-phase loads up to 400 A, with the UL/CSA mark confirming compliance for US and Canadian installations. No separate fuse or supplementary protector is needed for branch circuit protection in a 480Y/277 V distribution panel.

Frequently asked questions

How do I get current pricing and availability for XT2NU3015AFF000XXX?

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

What is the closest alternative to XT2NU3015AFF000XXX in the XT2N family?

Within the XT2N series, the key variant is the electronic trip (ETU) version, which offers adjustable long-time, short-time, and instantaneous settings versus the fixed TMF curve. The TMF version is the simpler, more cost-effective choice for standard motor and feeder protection where adjustable time delays are not required.

What compliance documentation does ABB provide for XT2NU3015AFF000XXX?

The description carries UL and CSA markings, indicating the breaker is listed for North American installations. ABB typically provides a Declaration of Performance (DoP) and RoHS/REACH compliance statements upon request through the supply chain.

MPN
XT2NU3015AFF000XXX