Siemens 3VA64408JQ310AA0 400A 3P 690V Circuit Breaker | AmpState

The Siemens 3VA64408JQ310AA0 400A 3P 690V circuit breaker is a rugged protective device designed for dependable circuit interruption in panelboards, load centers, and broader electrical distribution networks. Built for reliability in demanding environments, this unit is a smart choice for teams that value precise compatibility and fast, accurate replacements.

Key specifications

• Manufacturer: Siemens
• Part number: 3VA64408JQ310AA0
• Product type: Circuit Breaker
• Amperage: 400 A
• Poles: 3
• Voltage: 690 V
• Applications: panelboards, load centers, electrical distribution
• Availability: AmpState

What makes this unit stand out

• Direct part-number fit: Designed for seamless replacement without adapters or guessing, ideal for panel builders and maintenance crews who require an exact Siemens part match (3VA64408JQ310AA0).
• High-current capability: 400 A rating supports substantial distribution circuits, helping protect conductors, bus assemblies, and downstream equipment from overloads.
• Industrial-grade voltage tolerance: 690 V rating broadens applicability across mid-to-large scale electrical installations, from manufacturing floors to critical facility infrastructure.
• Reliability you can trust: As part of Siemens’ robust protection lineup, this breaker offers consistent performance under steady operation and fault conditions.
• Stock-ready for downtime reduction: AmpState carries this exact part, making it easier to secure the correct item quickly when replacements are needed.

Ideal use cases

• Replacements in panelboards and load centers where exact part-number matching accelerates procurement and installation.
• Spare inventory for facilities with Siemens protection systems, ensuring ready availability for routine maintenance or emergency outages.
• New installations in electrical distribution networks that require a 3-pole, 690V circuit protection solution capable of handling high current demand.

How this circuit breaker solves common problems

By providing an exact Siemens part-number match, it minimizes the risk of fit issues during maintenance or upgrades, reducing downtime and rework. The 400 A, 3P configuration supports robust protection for sizable feeders, while the 690 V rating expands compatibility with modern distribution schemes. Whether you’re building out a new panel, refurbishing an existing distribution rack, or stocking spare parts for future projects, this breaker offers a reliable, ready-to-use solution that aligns with established electrical standards.

Compatibility and support

This item is listed as available from AmpState. If you’re unsure about fit, or you need help confirming compatibility with your specific panel or distribution setup, send a message and AmpState will assist in verifying the match for you. Ensuring a precise part-number alignment keeps installation straightforward and minimizes compatibility risk.

Keep your electrical distribution running smoothly with the Siemens 3VA64408JQ310AA0—a purpose-built, high-capacity circuit breaker designed for exact-fit compatibility, dependable protection, and streamlined maintenance workflows.