Siemens 3VA5440-0MH31-0AA0 400A 3P 480V Circuit Breaker | AmpState

The Siemens 3VA5440-0MH31-0AA0 is a 400 A, three-pole (3P), 480 V circuit breaker designed to safeguard panelboards, load centers, and electrical distribution systems. With this exact part number from Siemens, technicians and installers can achieve a precise fit, reducing downtime and installation guesswork in critical environments.

Why this unit stands out

• Exact part-number match ensures seamless replacement without adapters or field modifications, streamlining maintenance and inventory control.
• Three-pole protection tailored for 3-phase 480 V systems, aligning with common commercial and industrial electrical layouts.
• Direct compatibility with Siemens panelboards and load centers, supporting reliable integration into existing electrical distributions.
• Availability from AmpState means faster access to a dependable spare for service teams and panel builders.

Specifications at a glance

• Manufacturer: Siemens
• Part Number: 3VA5440-0MH31-0AA0
• Product Type: Circuit Breaker
• Amperage: 400 A
• Poles: 3
• Voltage: 480 V

Ideal use cases

• Upgrading or replacing protection in 3-phase, 480 V distribution panels and load centers.
• Building or expanding electrical distribution where precise Siemens part-number compatibility is essential.
• Stocking a reliable spare in service fleets or spare-part inventories to minimize downtime during maintenance windows.

Direct answers to common questions

• Is this the right part for a Siemens 3VA-based panel? Yes—this is a Siemens 3VA5440-0MH31-0AA0 circuit breaker designed for 3P, 480 V applications.
• Can I verify compatibility with my panel before ordering? AmpState offers assistance to confirm fit and compatibility—just reach out.
• Where can I buy it? It’s available from AmpState for quick sourcing and reliable delivery.

Fast, practical guidance for procurement

When precision matters—whether you’re a maintenance technician, a panel builder, or maintaining spare inventories—choosing the exact part number ensures correct installation, reduces retrofit risk, and speeds service. If you need confirmation on fit or compatibility, contact AmpState and we’ll help verify the match for your specific Siemens installation.