ABB XT5SU340ABFN000XXX Circuit Breaker, 400A, 3-Pole, 600V

Meet the ABB XT5SU340ABFN000XXX circuit breaker—a rugged, industrial-grade solution built for demanding electrical service, maintenance, and replacement projects. With a 400 A rating, a 3-pole design for three-phase protection, and a 600 V operating capability, this device delivers dependable overcurrent protection for high-demand systems in manufacturing, processing, and other industrial environments.

• Current rating: 400 A
• Poles: 3 (three-phase protection)
• Voltage rating: 600 V
• Manufacturer/Part number: ABB XT5SU340ABFN000XXX

Ideal use cases

• New installations in industrial panels requiring robust three-phase protection
• Maintenance or replacement projects where a trusted ABB part is preferred
• Spare-part planning for facilities with existing ABB XT5-series infrastructure

Why this part matters

• Precise compatibility relies on the exact part number. Verifying the fit against your application helps avoid mismatches and downtime.
• Designed to safeguard essential equipment, motors, and feeders by interrupting fault currents before damage occurs, supporting safer, more reliable operations.
• Suitable for 600 V distribution environments common in industrial settings, offering dependable protection across three-phase circuits.

Compatibility is straightforward: verify fit by part number and application requirements. Need help matching a part number or confirming compatibility? Message us and we'll help. When you choose the XT5SU340ABFN000XXX, you’re selecting a durable, industry-grade solution backed by ABB’s engineering reliability—a smart, long-term investment for panel protection, downtime reduction, and system resilience.