ABB XT3NU3225AFF000XXX Industrial Control Module

ABB XT3NU3225AFF000XXX is a 3-pole Tmax XT3N molded case circuit breaker (MCCB) with a 225 A nominal current rating and a thermal-magnetic trip unit (TMF) for overcurrent protection. The device is UL/CSA listed, intended for protection of feeders and three-phase distribution circuits in industrial control panels and equipment. The model corresponds to the XT3N family’s 225 TMF variant, and ABB catalogs and distributor listings show XT3NU3225AFF000XXX as an alternate catalog number for this exact configuration. ABB's cross-reference page 1SDA075118R1 confirms XT3NU3225AFF000XXX as an alternate catalog number. Typical applications include safeguarding motors, conveyors, pumps, and other three-phase loads in manufacturing environments, as well as protecting electrical feeders in panelboards and switchgear. Within the Tmax XT3 line, this 3-pole configuration provides consistent performance characteristics across the 225 A class for standard low-voltage protection needs in industrial settings.