Siemens 3VA64405JQ310AA0 400A 3P 690V Circuit Breaker | AmpState

Siemens 3VA64405JQ310AA0 is a heavy-duty 400 A, 3-pole, 690 V circuit breaker designed to protect distribution systems in panelboards, load centers, and industrial electrical layouts. Built for everyday electrical work, this unit provides dependable overcurrent protection while supporting retrofit projects and maintenance planning with a consistent part number that stays the same across upgrades.

Unique value you’ll notice

• High-current protection with precision. 400 A capacity makes it ideal for main feeders and essential distribution circuits in commercial and light-industrial environments.
• Three-pole design for balanced, coordinated protection. Supports three-phase systems common in modern facilities, helping prevent nuisance trips and ensuring stable operation.
• 690 V compatibility for robust electrical networks. Safe, reliable interruption performance in high-voltage distribution scenarios.
• Retrofit-ready with consistent part number. If you’re updating panels or replacing aging breakers, the fixed model number simplifies sourcing and stock management while reducing downtime.
• Versatile applications across panelboards, load centers, and electrical distribution. A practical choice for service upgrades, facility refreshes, and ongoing maintenance programs.

Ideal use cases

Use this Siemens breaker when you need solid, code-compliant protection for large feeders in:

• Commercial panelboards and distribution boards where a reliable 3-pole, 690 V device is required
• Industrial load centers supplying high-demand equipment and machinery
• Retrofit projects where staying on a consistent part number streamlines procurement and maintenance planning

Compatibility and maintenance planning

Choosing a breaker with a stable part number like 3VA64405JQ310AA0 supports long-term maintenance strategies. It simplifies inventory, ensures compatibility with existing bus and accessory configurations, and minimizes compatibility risk during panel updates or replacements.

Technical snapshot

• Manufacturer: Siemens
• Part Number: 3VA64405JQ310AA0
• Product Type: Circuit Breaker
• Amperage: 400 A
• Poles: 3
• Voltage: 690 V
• Applications: Panelboards, load centers, electrical distribution
• Availability: AmpState

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm the fit for your specific panel and configuration.