ABB XT1SU3040AFD000XXX 40A 3P 600V Circuit Breaker, Bolt-On | AmpState

The ABB XT1SU3040AFD000XXX is a 40A, 3-pole, 600V bolt-on circuit breaker designed for dependable circuit protection in panelboards, load centers, and broader electrical distributions. Built for everyday electrical work, it’s a reliable choice when replacement projects or spare stocking are on the agenda, ensuring the BOM stays aligned to the original part number.

• Three-pole configuration provides balanced protection for three-phase systems, helping maintain stable distribution in commercial or light industrial installations.
• 40 A rating delivers precise overcurrent protection for feeders and branch circuits, reducing the risk of nuisance trips while safeguarding equipment.
• Bolt-on mounting offers a secure, mechanically robust connection that resists loosening in environments subject to vibration or movement.
• 600V maximum voltage class equips this breaker for higher-energy distribution setups found in panel boards and electrical rooms.
• BOM-aligned replacement designed to fit projects that require exact part-number compatibility, simplifying procurement and maintenance planning.
• Clear part identification with the XT1SU3040AFD000XXX designation supports fast, accurate ordering and job-site paperwork.

Why this breaker is the right fit

If you’re maintaining or upgrading panelboards or load centers, this bolt-on ABB breaker delivers reliable protection without the guesswork of cross-compatibility. It’s particularly well-suited for replacement scenarios where staying true to the original BOM speeds up installation and minimizes field errors. The three-pole design is ideal for three-phase distribution networks common in industrial controls, commercial wiring, and data-center infrastructure where steady, predictable overcurrent protection matters.

Who benefits most

• Electrical contractors performing panel upgrades or service restorations
• Maintenance teams stocking spares to ensure quick turnaround on outages
• Distributors aligning stock with original equipment BOMs for reliable project matching

Need help matching a part number or confirming compatibility? Message AmpState and we’ll help you verify fit before you order. Stock this ABB XT1SU3040AFD000XXX to keep your electrical system protected, compliant, and ready for immediate restarts when outages happen.