It carries a TMA 500-5000 trip unit — that's a thermal-magnetic adjustable trip with a continuous current rating range of 500 to 5000 A, set here for the 600 A frame. The 'FF' denotes fixed front terminals, and the 'INN100%IN UL' marking confirms it is rated for 100% continuous load without derating, per UL standards.
ABB XT5NU350BBFF000XXX XT5N 600A Molded Case Circuit Breaker
MPNXT5NU350BBFF000XXX
ABB, XT5N series, molded case circuit breaker, XT5NU350BBFF000XXX, 600 A frame, TMA 500-5000 trip unit, 3-pole, fixed front terminals, 100% IN rating, UL.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
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This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.
MPN
XT5NU350BBFF000XXX