Siemens 3VA6440-5JQ31-0AA0 400A 3P 690V Circuit Breaker | AmpState

The Siemens 3VA6440-5JQ31-0AA0 circuit breaker delivers dependable, high-capacity protection for critical electrical distribution systems. With a 400 A rating across 3 poles and a 690 V rating, it’s engineered to safeguard panelboards, load centers, and other distribution configurations where reliable overcurrent protection is essential.

• Model: 3VA6440-5JQ31-0AA0
• Manufacturer: Siemens
• Type: Circuit Breaker
• Amperage: 400 A
• Poles: 3
• Voltage: 690 V
• Applications: panelboards, load centers, and electrical distribution systems
• Availability: Buy from AmpState to keep BOM alignment with the original part number

Why this Siemens breaker matters for your project

• Seamless BOM alignment: Using the exact part number (3VA6440-5JQ31-0AA0) ensures you don’t run into fit or documentation mismatches during retrofits or new builds.
• Reliable replacement option: When you’re stocking spares for critical infrastructure, this 3-pole, 400 A device provides a trusted drop-in that reduces downtime and keeps distribution running smoothly.
• Industrial-grade protection: Designed for demanding electrical distribution, it supports robust performance in panelboards and load centers where consistent protection is non-negotiable.
• Clear compatibility path: AmpState offers support to confirm fit and compatibility, helping you verify that this exact part matches your original equipment specification.

Ideal use cases and scenarios

• Retrofitting aging industrial panels where a direct 3VA6440-5JQ31-0AA0 replacement is warranted to maintain original system behavior.
• stocking spares for facilities with centralized power distribution to minimize downtime during maintenance windows.
• OEM or panel-builder projects requiring a precise Siemens part number to preserve documentation and warranty alignment.
• Commercial or light-industrial installations where a 3-pole, 690 V circuit protection device is standard for main distribution paths.

Compatibility and installation guidance

Before ordering, verify that your panelboard or load center accepts a 3-pole 400 A, 690 V Siemens device with the 3VA6440-5JQ31-0AA0 specification. If you’re unsure about fit, AmpState can assist with compatibility checks and confirm that this exact part number aligns with your original BOM. When installing, ensure proper mounting, wiring, and torque specifications per Siemens guidelines and local electrical codes.

Why choose AmpState for this part

• Authorized access to Siemens-compatible circuit protection, with parts that align to your BOM and installation needs.
• Experienced support to help confirm part fit, minimizing guesswork in replacement projects.
• Efficient stocking options so you can keep critical spares on hand and reduce downtime during maintenance.

Ready to secure dependable protection with the exact Siemens 3VA6440-5JQ31-0AA0? Message us to verify compatibility and availability, and we’ll help confirm fit for your panelboards, load centers, or distribution scheme.