ABB XT4NU3250DFF000XXX, XT4N-D series, molded case circuit breaker, 250 A frame, lifecycle stage current.
It's the kind of part you'd find in a distribution panel or motor control center protecting a feeder or a large motor branch circuit.
That's the number you match to your load's full-load amps or the upstream transformer rating. The XT4N-D series is ABB's compact MCCB line, designed for panel space efficiency while still handling fault interruption duties typical of industrial installations.
This part is sourced to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.
The listed description is ABB XT4NU3250DFF000XXX XT4N-D 250 M, indicating it is a 250 A frame molded case circuit breaker from the XT4N-D series.
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