Siemens 3VA6140-6HN31-0AA0 Circuit Breaker, 40A, 3-Pole, 600V

Siemens 3VA6140-6HN31-0AA0 circuit breaker delivers reliable overcurrent protection for demanding industrial environments. Rated at 40 A with 3 poles and a maximum of 600 V, this unit is purpose-built for three-phase power distribution in manufacturing floors, process lines, and industrial control panels. Built by Siemens, it’s designed to stand up to the rigors of ongoing service, maintenance, and replacement projects where dependable protection is essential.

Key specifications

• Manufacturer: Siemens
• Part number: 3VA6140-6HN31-0AA0
• Product type: Circuit Breaker
• Amperage: 40 A
• Poles: 3
• Voltage: 600 V

Ideal use cases

• Upgrading or retrofitting industrial control panels to ensure robust protection for three-phase feeders
• Replacement of failed or obsolete breakers in manufacturing lines, conveyors, and process equipment
• Protection for motors, transformers, and other heavy-load equipment within industrial facilities that operate at up to 600 V
• Maintenance projects where you need a genuine Siemens part with clear compatibility confirmation

Compatibility and installation considerations

To ensure a correct fit, verify the part number 3VA6140-6HN31-0AA0 against your application requirements. Confirm that the system voltage (600 V), amperage (40 A), and three-pole configuration align with your panel or switchgear acceptance criteria. If you’re unsure about compatibility, you can reach out for guidance—we’re happy to help confirm fit by part number and application needs.

Why choose this Siemens circuit breaker

• Genuine Siemens part: Ensures consistency with existing equipment and long-term serviceability
• Three-phase protection: Simultaneous disconnection of all live conductors improves safety and reduces risk in coordinated systems
• Industrial-ready performance: Designed for ongoing duty in service, maintenance, and replacement projects across facilities
• Clear compatibility path: Part-number verified approach helps you avoid misfits and downtime

Practical tips for best results

Plan replacements during scheduled maintenance to minimize disruption. Always consult the installation manual and follow local electrical codes when mounting and wiring the breaker. Use the exact Siemens part number to confirm compatibility with your existing panels and bus configurations, and reach out for assistance if you need help validating fit for your specific application.