Siemens 3VA5112-5EC31-0AA0 125A 3P 600V Circuit Breaker | AmpState

Introducing the Siemens 3VA5112-5EC31-0AA0, a purpose-built circuit breaker designed for dependable protection in everyday electrical work. This 125 A, 3-pole device delivers robust 3‑phase protection for panelboards, load centers, and electrical distribution systems, with a 600 V rating to cover a wide range of applications.

Whether you’re a maintenance team realigning a service panel, a panel builder assembling a new distribution center, or stocking spare inventory for fast-field replacements, this part is a smart, reliable choice. Its exact part number—3VA5112-5EC31-0AA0—ensures you’re pulling the right Siemens component every time, reducing downtime and compatibility headaches.

Why this Siemens breaker stands out

• Direct part-number match matters: minimizes guesswork and ensures compatibility with existing Siemens gear in panelboards and load centers.
• Three-pole design provides balanced protection for 3‑phase circuits, ideal for commercial and industrial installations.
• 125 A capacity delivers solid protection for heavy circuits while fitting within standard Siemens distribution configurations.
• 600 V maximum voltage supports a broad range of systems and equipment prevalent in modern facilities.
• AmpState availability: you can source this exact part with confidence when you need it, reducing downtime and stock-x-accuracy concerns.
• Support for compatibility: if you’re unsure about fit, a quick message will help confirm compatibility and ensure you’re selecting the right component for your panel.

Ideal use cases

• New installations in panelboards and distribution panels where Siemens components are standard.
• Repairs or upgrades to existing 3P, 600V distribution networks requiring a precise 125 A, 3P breaker.
• Spare parts inventory for maintenance crews who prioritize exact part numbers to speed inspections and replacements.

For professionals who demand precision, reliability, and straightforward procurement, the Siemens 3VA5112-5EC31-0AA0 is a trusted choice. Ready to ship from AmpState—and if you need help verifying compatibility or matching a part number, just message us and we’ll confirm fit quickly.