Panel fit and lifecycle read
The XT2NU3020AAA000XXX: As an MCCB in the XT2 series, it mounts in standard panel or enclosure cutouts and connects to busbars or cable lugs for feeder and branch-circuit protection.

ABB XT2N 125 TMF molded case circuit breaker, order code XT2NU3020AAA000XXX, current lifecycle stage.
The XT2NU3020AAA000XXX: As an MCCB in the XT2 series, it mounts in standard panel or enclosure cutouts and connects to busbars or cable lugs for feeder and branch-circuit protection.
The XT2N is the standard interrupting-capacity frame; the XT2M offers a higher interrupting rating for the same trip unit and accessory set. Both share the same panel footprint and mounting hardware.
Yes — the XT2NU3020AAA000XXX is a member of the XT2N series. It fits the same panel cutout and accepts the same auxiliary switches, shunt trips, and rotary handles as other XT2N frames.
Alternative models and sibling configurations in the same ABB series. For obsolete or discontinued parts, these models can serve as compatible replacements or functional alternatives for plant maintenance.
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