The XT1NU3125AAA00NXXX: The description repeats the same string: XT1N 125 TMF 125-1250 3P F F UL/CSA. That tells you the frame rating is 125 A, the trip unit is a fixed thermal-magnetic (TMF) with an adjustable magnetic pickup range of 1250 A (10× In), and the breaker carries UL and CSA approvals. The 3P F F notation means three poles, fixed front terminals, fixed front terminals.
ABB XT1NU3125AAA00NXXX XT1N 125 TMF 125-1250 3P F F UL/CSA,
MPNXT1NU3125AAA00NXXX
ABB XT1N series, XT1NU3125AAA00NXXX, molded case circuit breaker, 3-pole, TMF 125-1250 trip unit, UL/CSA, lifecycle current.
StockContact for availability
Lead timeCall for availability wk
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jul 2026
Product details
Frequently asked questions
Where can I buy XT1NU3125AAA00NXXX 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 — submit an RFQ for a firm price and lead time.
What is XT1NU3125AAA00NXXX's listed lifecycle_stage?
The lifecycle_stage is current.
What is XT1NU3125AAA00NXXX's listed description?
The description is XT1N 125 TMF 125-1250 3P F F UL/CSA.
MPN
XT1NU3125AAA00NXXX