Siemens 3VA5322-5EC31-0AA0 225A 3P 480V Circuit Breaker | AmpState

Meet the Siemens 3VA5322-5EC31-0AA0 — a purpose-built circuit breaker designed to guard panelboards, load centers, and electrical distribution networks with precise, reliable protection. With a 225 A rating and 3 poles at 480 V, this unit is tailored for high-demand feeders and main distribution circuits in commercial and industrial settings.

Why this model stands out:

• OEM-grade compatibility — part number 3VA5322-5EC31-0AA0 ensures seamless BOM alignment and straightforward replacement without the guesswork of cross-compatibility.
• Three-pole protection for balanced, multi-phase circuits, delivering consistent protection across all live conductors in a 480 V system.
• Ideal for replacement and spares — a dependable option to keep critical panelboards and distribution circuits online, with spare stock that matches the original specification.
• Panelboard and load center suitability — specifically chosen for integration into standard electrical distribution architectures, reducing installation friction.
• Support for fit confirmation — AmpState offers guidance to verify compatibility with your existing equipment, helping you avoid mismatches before purchase.
• Operational reliability — designed to deliver consistent performance in demanding environments, helping protect feeders, transformers, and downstream devices from faults.

Practical applications and use cases

This Siemens circuit breaker is ideal for facilities upgrading or expanding their electrical distribution. Use it to replace aging breakers in service panels, retrofit existing installations, or stock spare units for quick field swaps. It’s well-suited for:

• Commercial buildings with centralized electrical racks and distribution panels
• Industrial spaces requiring robust, three-phase protection at 480 V
• Facility upgrades where matching the original BOM is critical to maintain documentation and service continuity

How it compares and what that means for you

Choosing a Siemens 3VA5322-5EC31-0AA0 over generic equivalents provides assurance of exact form, fit, and function. The OEM part number alignment reduces the risk of mounting or trip-curve incompatibilities, supports accurate spare part inventories, and helps maintain consistent maintenance records. If you’re balancing cost with reliability and BOM integrity, this model offers a straightforward, trustworthy solution.

Compatibility, fit, and support

Before purchasing, consider your panelboard model, mounting scheme, and conductor configuration. If you’re unsure about fit, AmpState can assist in confirming compatibility with your existing gear. Reach out with your panel model and current protection scheme, and our team will help ensure you’re selecting the right device for your distribution network.

Product details at a glance:

• Manufacturer: Siemens
• Part number: 3VA5322-5EC31-0AA0
• Type: Circuit Breaker
• Amperage: 225 A
• Poles: 3
• Voltage: 480 V

Ready to secure reliable protection for your electrical distribution? The Siemens 3VA5322-5EC31-0AA0 is available from AmpState. If you need help matching a part number or confirming compatibility, message us and we’ll help you confirm fit and get you headed in the right direction.