The TMF trip unit covers a 50–500 A continuous current range, so it protects feeder or branch circuits within that window. The 3-pole configuration suits three-phase loads — motor branch circuits, distribution panels, or main incomers — in UL 489 or CSA C22.2 No. 5 applications. The XT1S frame is a compact, fixed-format breaker designed for DIN-rail or panel-mount integration inside industrial control enclosures. The UL/CSA mark means it is accepted for US and Canadian installations without additional agency review.
ABB XT1SU3050AFF000XXX XT1S Molded Case Circuit Breaker, TMF
MPNXT1SU3050AFF000XXX
ABB XT1S series, XT1SU3050AFF000XXX, molded case circuit breaker, 3-pole, TMF 50-500 A trip unit, UL/CSA certified.
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Independent China distributor & sourcing agent· Listing updated Sep 2026
Product details
MPN
XT1SU3050AFF000XXX