The ABB XT2NU3100BFF00NXXX is a molded case circuit breaker from the XT2N series, carrying the description XT2N 125TMA 100-500-1000 3PFFUL/CSA. The 125TMA designation points to a 125 A frame with a TMA (thermal-magnetic adjustable) trip unit, and the 100-500-1000 likely refers to the adjustable overload (Ir) and short-circuit (Isd) ranges — 100 A to 500 A for the long-time pickup, and 500 A to 1000 A for the short-time pickup — giving you selectivity headroom in a distribution panel. The 3PFFUL/CSA suffix means it is a three-pole unit with front-face terminals, UL and CSA listed, so it lands in North American panels without a second thought.
ABB XT2NU3100BFF00NXXX XT2N 125TMA 100-500-1000 3PFFUL/CSA
MPNXT2NU3100BFF00NXXX
ABB, XT2N series, molded case circuit breaker, XT2NU3100BFF00NXXX, XT2N 125TMA 100-500-1000 3PFFUL/CSA, lifecycle stage current.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
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Frequently asked questions
What is the description for XT2NU3100BFF00NXXX?
The description is XT2N 125TMA 100-500-1000 3PFFUL/CSA, indicating a 125 A frame, TMA trip unit with adjustable ranges, three-pole, front-face terminals, UL and CSA listed.
Where can I buy XT2NU3100BFF00NXXX?
This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.
MPN
XT2NU3100BFF00NXXX