Siemens 3VA5440-1MH31-0AA0 400A 3P Circuit Breaker | AmpState

Built for dependable protection in commercial and industrial electrical systems, the Siemens 3VA5440-1MH31-0AA0 is a robust 400 A, 3-pole circuit breaker designed to guard panelboards, load centers, and distribution networks. It’s the practical choice when you need a reliable replacement that keeps your original BOM intact while delivering consistent, predictable performance in daily electrical work.

Key advantages of the Siemens 3VA5440-1MH31-0AA0

• High-capacity protection: 400 A rating with three poles provides strong, coordinated protection for main service feeds and large branch circuits in demanding installations.
• Exact part matching: Specifically engineered as part of Siemens’ 3VA line, this breaker preserves the integrity of your original panelboard configuration and BOM references.
• Reliable panel and distribution protection: Ideal for use in panelboards, load centers, and electrical distribution systems where stable, long-term operation is essential.
• Stock-ready for maintenance planning: A practical choice for replacement projects and stocking spares, helping you minimize downtime during service calls.
• Manufacturer-backed trust: Siemens engineering ensures compatibility with Siemens-listed panels and field-installed configurations, supporting consistent performance and safety margins.

Ideal use cases and scenarios

• Replacement projects where the original part number is required to maintain warranty, listings, and BOM alignment.
• Spare parts inventory for facilities with frequent service windows, enabling quick field replacements and reduced outage time.
• Electrical distribution upgrades in commercial buildings, manufacturing floors, and data/industrial environments where robust 3-pole protection is essential.
• Retrofits or expansions of panelboards and load centers that demand a trusted, industry-standard Siemens breaker.

Why choose this part over alternatives

• Designed to integrate seamlessly with Siemens-listed equipment, preserving system coordination and trip characteristics across the distribution network.
• By staying aligned with the original BOM, it simplifies procurement, reduces configuration errors, and supports smoother maintenance planning.
• With AmpState’s availability, you can secure a genuine Siemens 3VA5440-1MH31-0AA0 in a timely manner, helping you keep projects on schedule.

Practical guidance and support

To confirm compatibility with your specific panel or BOM, AmpState provides expert assistance to verify fit and performance. If you’re matching a part number or confirming panel compatibility, you can rely on our team to help ensure a precise, confidence-inspiring selection.