The ABB XT1HU3035AFF000XXX is a 3-pole molded case circuit breaker from the XT1H 125 TMF family, rated 35 A continuous at 480 VAC. What makes it earn its keep in a distribution panel is the 65 kA interrupting capacity at 480 V — that's a serious fault-clearing number for a 35 A frame, meaning it can ride through a bolted fault on a 1000 kVA transformer secondary without the arc flashing upstream. Panel-mount construction; it bolts into a cutout rather than snapping onto a DIN rail, so plan for the mounting hardware and bus-bar connections before you wire it in.
This part carries a current-production lifecycle status, so it's still an active catalog item from ABB — no last-time-buy clock ticking.
What the 65 kA interrupting rating really buys you
In a typical 480 V industrial panel fed from a 1500 kVA transformer, the prospective short-circuit current can hit 50–60 kA. That's the difference between a coordinated selective trip and a blackout.
Panel mount means you're cutting a rectangular opening and bolting the breaker in — no DIN-rail clip. The XT1H frame accepts lug or bus-bar connections on line and load sides. Verify the mounting hole pattern against your enclosure backplate before punching. The 3-pole configuration fits standard 3-phase circuits; neutral and ground are separate terminations outside the breaker.