ABB XT5HU340ADFF000XXX Circuit Breaker, 400A, 3-Pole, 600V

Meet the ABB XT5HU340ADFF000XXX Circuit Breaker — a rugged, industrial-grade protective device crafted for demanding electrical systems. With a 400 A rating across 3 poles and a 600V maximum, this unit is designed to shield three‑phase power feeds in service, maintenance, and replacement projects where reliability matters most.

Compatibility and identification
Each unit is identified by the part number XT5HU340ADFF000XXX. Verify fit by part number and your specific application requirements to ensure seamless integration with your panel or distribution arrangement. If you’re unsure about compatibility, reach out — we’re happy to help you match the right part for your setup.

Key specifications at a glance

• Amperage: 400 A
• Poles: 3
• Voltage: 600 V
• Part Number: XT5HU340ADFF000XXX
• Type: Circuit Breaker
• Ideal for: Industrial service, maintenance, and replacement projects

Why this ABB breaker stands out

Built for reliability in demanding environments, the XT5HU340ADFF000XXX delivers robust protection for three‑phase power systems. Its 400 A rating makes it suitable for high‑current feeders, while the 3‑pole design ensures comprehensive isolation in three‑phase installations. The 600V rating broadens its applicability across industrial controls, motors, and distribution panels, helping to safeguard equipment and minimize downtime when faults occur.

Who benefits most

• Facilities managers overseeing industrial plants and manufacturing lines
• Electrical contractors performing panel upgrades, service changes, or equipment replacements
• Maintenance engineers focusing on reliability and uptime for heavy electrical systems

Practical use and care tips

• Keep the part number readily available in your asset registry to simplify future replacements.
• Before installation, confirm panel compatibility and system voltage to ensure proper operation.
• Store in a clean, dry environment to preserve contact integrity and performance over time.
• Use the part number as the primary reference when ordering spares or consolidating stock to avoid mismatches.

Ready to confirm compatibility or need expert help selecting the exact fit for your panel? Send us a message and we’ll guide you to the correct ABB XT5HU340ADFF000XXX solution for your project.