Siemens 3VA6140-5HN31-0AA0 40A 3P 480V Circuit Breaker | AmpState

Siemens 3VA6140-5HN31-0AA0 is a rugged circuit protector engineered for everyday electrical work. Designed for panelboards, load centers, and distributed electrical systems, this 40 A, 3-pole breaker delivers reliable protection for three-phase circuits at a 480 V operating level. It’s the dependable choice for environments that rely on consistent, OEM-grade components to keep systems running smoothly.

Key specifications

• Manufacturer: Siemens
• Part number: 3VA6140-5HN31-0AA0
• Product type: Circuit Breaker
• Amperage: 40 A
• Poles: 3
• Voltage: 480 V

Ideal use scenarios

• Retrofit projects where maintaining the exact part number is essential for compatibility and procurement clarity.
• Maintenance planning in facilities that rely on Siemens protection devices, reducing downtime by using a direct OEM replacement.
• Panelboards and load centers in commercial or light industrial environments that require reliable three-phase protection.
• Spare-part inventories for ongoing service programs, ensuring quick, accurate replacements when issues arise.

Why this Siemens breaker stands out

Choosing the 3VA6140-5HN31-0AA0 provides a direct, factory-matched solution that aligns with existing Siemens protection schemes. The fixed part number helps streamline sourcing, ordering, and maintenance records, minimizing guesswork during repairs or upgrades. In practical terms, it means faster service restoration, fewer compatibility questions, and a more predictable maintenance cycle for facilities relying on three-phase distribution.

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.

Available from AmpState, the Siemens 3VA6140-5HN31-0AA0 offers a trusted, OEM-grade path to dependable circuit protection for your 3-phase electrical systems.