XT4N 250 TMF — panel fit and trip unit
The XT4NU3110AFF000XXX is an ABB XT4N 250 TMF molded case circuit breaker, carrying a 250 A frame and a TMF (thermal-magnetic fixed) trip unit for standard overload and short-circuit protection in distribution panels. Rated for current lifecycle stage, this MCCB is a current-production part suited for new panel builds and BOM positions that require the XT4N platform.