The 125 A frame size means the physical footprint matches other XT1 breakers — same width, same busbar pitch — so swapping into an existing XT1 lineup is a direct mechanical fit. UL/CSA listing covers the North American approval requirement; no separate UL file number chase needed for a panel shop.
ABB XT1HU3090AFF00NXXX XT1H 125A TMF 90-900 3P MCCB, current
MPNXT1HU3090AFF00NXXX
ABB, XT1H series, 125 A frame TMF 90–900 A 3-pole MCCB, UL/CSA, order code XT1HU3090AFF00NXXX.
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
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Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Product details
Frequently asked questions
What does the description XT1H 125 TMF 90-900 3P F F UL/CSA mean?
It decodes as: XT1H series, 125 A frame size, TMF (thermal-magnetic fixed) trip unit adjustable 90–900 A, 3-pole, with front terminals (F F), UL/CSA certified. The 'H' indicates the high breaking capacity variant of the XT1 family.
Where can I buy XT1HU3090AFF00NXXX?
This part is sourced 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.
MPN
XT1HU3090AFF00NXXX