Siemens 3VA5140-6EF31-0AA0 40A 3P 480V Circuit Breaker | AmpState

Introducing the Siemens 3VA5140-6EF31-0AA0, a purpose-built circuit breaker selected for circuit protection in panelboards, load centers, and electrical distribution. Designed for Retrofit work and maintenance planning when the part number needs to stay consistent, this 3-pole unit delivers dependable protection for 3-phase systems.

• Exact part number for reliable retrofit and maintenance: 3VA5140-6EF31-0AA0 ensures your documentation and stocking remain consistent, reducing substitution risk during replacements.
• Three-pole protection for 3‑phase systems: 40 A rating at 480 V enables robust overcurrent protection across industrial and commercial panelboards and distribution networks.
• Siemens engineering you can trust: Built to the specifications and performance you rely on in critical electrical infrastructure, delivering consistent trip characteristics and long service life.
• Optimized for panelboards, load centers, and electrical distribution: Specifically chosen to fit Siemens-compatible systems where space, mounting, and bus connections are part of the design.
• Available from AmpState with compatibility support: AmpState carries this part and can help confirm fit for your installation. Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.

Ideal use cases

• Retrofit projects where you must preserve the exact Siemens part number to meet documentation, warranty, or regulatory requirements.
• Maintenance planning for commercial or industrial facilities that rely on stable 3-phase protection at 480 V.
• New or existing installations that utilize Siemens panelboards or distribution panels requiring a 3-pole, 40 A, 480 V protective device.

What this means for your operation

• Reliable safeguarding of critical circuits with precise compatibility to Siemens panel systems.
• Streamlined inventory and maintenance workflows thanks to a clearly identified, natively compatible part number.
• Clear path to fast sourcing through AmpState, with expert help to verify fit and avoid downtime.

If you’re coordinating a retrofit, stocking for maintenance, or upgrading an electrical distribution setup, the Siemens 3VA5140-6EF31-0AA0 40 A 3P 480V circuit breaker is built to deliver predictable protection and straightforward compatibility. Reach out with your installation details, and our team will assist in confirming fit and ensuring a smooth replacement process.