Siemens 3VA6340-5JQ31-0AA0 Circuit Breaker, 400A, 3-Pole, 600V

Siemens 3VA6340-5JQ31-0AA0 Circuit Breaker is a robust three‑pole protection device designed for demanding industrial electrical service, maintenance, and replacement projects. With a 400 A rating and a 600 V operating voltage, it provides reliable overcurrent protection for three‑phase feeders and distribution panels in harsh industrial environments. Use the part number to confirm compatibility for your application.

• Current rating: 400 A
• Pole configuration: 3‑Pole (three‑phase protection)
• Voltage rating: 600 V
• Part number: 3VA6340-5JQ31-0AA0
• Application: Industrial electrical service, maintenance, and replacement projects

Why choose this Siemens breaker? Built to integrate with Siemens switchgear and protection schemes, it delivers dependable three‑phase protection with a focus on consistent performance in manufacturing facilities, processing lines, and other high‑demand environments. Its proven design supports frequent operation and long service life, making it a solid choice for upgrades, replacements, or new installations where a 400 A, 3‑pole at 600 V device is required.

Use cases and practical considerations

• Feeder protection for large motors, conveyors, or processing equipment in facilities powered by 600 V three‑phase systems.
• Direct replacement in compatible Siemens panels or distribution boards to minimize downtime and maintain protective characteristics.
• Maintenance projects where choosing a known, compatible part number reduces configuration guesswork and speeds up installation.

Compatibility check and support

Notes: Verify fit by part number and application requirements. If you’re unsure about fit, share your panel details or equipment specs and we’ll help confirm compatibility with 3VA6340-5JQ31-0AA0 for your specific installation.