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ABB XT1HU3035AAA00NXXX — Molded Case Circuit Breakers (MCCB)

ABB XT1HU3035AAA00NXXX XT1H 125 A TMF 35-500 A 3P F F UL/CSA

MPNXT1HU3035AAA00NXXX

ABB XT1H 125 A molded case circuit breaker, TMF 35-500 A adjustable thermal-magnetic trip unit, 3-pole, line/load side lugs, UL/CSA certified, lifecycle stage current.

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Product details

Trip unit and selectivity

The XT1HU3035AAA00NXXX: The TMF 35-500 A trip unit gives you an adjustable thermal (overload) pickup from 35 A to 500 A, plus a fixed magnetic (short-circuit) threshold. That 35-500 A band covers motor feeders, transformer primaries, and general distribution where you need to coordinate downstream branch breakers. At the 125 A frame size, the continuous current rating is 125 A — the trip unit setting determines the actual protection point, not the frame.

Construction and mounting

Fixed version with line and load side lugs — no plug-in base or draw-out cradle. The XT1H frame is compact for a 125 A MCCB: 105 mm wide per pole, so a 3-pole unit fits a 315 mm wide space in the enclosure. Panel builders: the lug tunnel accepts copper or aluminum conductors up to 185 mm², and the torque spec on the terminal screws is 35 N·m.

Frequently asked questions

What does the TMF 35-500 trip unit mean for my application?

The TMF 35-500 A trip unit provides an adjustable thermal overload pickup from 35 A to 500 A. You set the dial to match your load current; the magnetic short-circuit pickup is fixed. This gives you selectivity flexibility for motor feeders or distribution panels where downstream breakers have lower ratings.

Where can I buy XT1HU3035AAA00NXXX?

This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm commitment.

What compliance documentation does ABB provide for this MCCB?

The UL/CSA listing is confirmed on the product label. ABB typically provides RoHS and REACH declarations on request through their documentation portal. The UL file number is traceable from the nameplate.

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XT1HU3035AAA00NXXX