ABB XT3NU4100AFF000XXX, XT3N 225 TMF molded case circuit breaker, current lifecycle stage.
The 225 A TMF trip unit provides fixed thermal and magnetic protection curves — no interchangeable trip blocks, so the breaker is ordered as a single assembly. For a 225 A feeder or a large motor branch circuit, this is a direct fit into an ABB switchboard or a third-party enclosure with the appropriate cutout.
The description lists XT3N 225 TMF and XT3N 2, indicating a 2-pole 225 A breaker.
Within the XT3N family, the same 225 A TMF frame is available with different pole configurations or with an electronic trip unit (XT3N 225 Ekip). A pin-compatible alternative would be another XT3N 225 TMF with matching pole count and the same mounting footprint — verify the specific accessory and terminal layout against your existing panel cutout before substituting.
The description is 'ABB XT3NU4100AFF000XXX XT3N 225 TMF/ABB XT3NU4100AFF000XXX XT3N 2', which identifies it as a 2-pole XT3N molded case circuit breaker with a 225 A thermal-magnetic fixed trip unit.
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