Siemens 3VA5340-0BB31-0AA0 400A 3P 480V Circuit Breaker | AmpState

The Siemens 3VA5340-0BB31-0AA0 is a 3-pole, 400 A, 480 V circuit breaker designed to safeguard panelboards, load centers, and electrical distribution networks. As an OEM Siemens part, it delivers the exact electrical characteristics and physical fit required to replace the original equipment without modification. This makes it an excellent choice for replacement projects and stocking spares to keep your BOM aligned with the original part number. Available from AmpState, it’s ready to support your uptime goals.

• Manufacturer: Siemens
• Part Number: 3VA5340-0BB31-0AA0
• Type: Circuit Breaker
• Amperage: 400 A
• Poles: 3
• Voltage: 480 V

Why this OEM Siemens circuit breaker stands out

• Exact fit and electrical characteristics for Siemens panelboards and load centers, minimizing installation surprises and downtime.
• 3-pole configuration ideal for three-phase distribution systems, delivering reliable protection across your critical circuits.
• High-current 400 A rating paired with a 480 V rating, suitable for demanding commercial or light industrial distribution needs.
• Designed to support BOM integrity by matching the original part number, ensuring accurate documentation and easier procurement.
• Backed by AmpState’s availability and support, making part matching and compatibility checks straightforward.

Practical use cases

• Replacing aging or failed breakers in existing Siemens panelboards and load centers to restore protected circuits quickly and safely.
• Building spare inventory for maintenance windows and planned outages to minimize downtime.
• Projects requiring strict BOM alignment to the original Siemens part numbers for compliance and traceability.
• Equipment upgrades or retrofits in facilities with three-phase distribution that demand robust, reliable protection at 480 V.

If you’re unsure about fit or compatibility with your exact equipment, our team can help confirm the correct part for your application. Message us to verify that the 3VA5340-0BB31-0AA0 will integrate seamlessly with your Siemens panelboards and distribution setup.