Siemens 3VA5212-7EF31-0AA0 125A 3P 480V Circuit Breaker | AmpState

Siemens 3VA5212-7EF31-0AA0 is a rugged 3-pole circuit breaker engineered for everyday electrical protection in panelboards, load centers, and electrical distribution systems. With a 125 A rating at 480 V, this unit delivers reliable interruption capability for commercial and industrial applications while keeping installation compact and straightforward for your electrical panels.

• Exact part for BOM alignment: The 3VA5212-7EF31-0AA0 part number ensures your replacement or spare maintains the original bill of materials, reducing mismatch risks during maintenance or upgrades.
• Ready-to-stock replacement: Ideal for replacement projects and stocking spares to minimize downtime and keep critical electrical infrastructure protected.
• Three-pole protection: 3P design provides comprehensive phase protection for balanced loads and consistent distribution across circuits.
• High-voltage capability: Rated for 480 V systems, supporting commercial and light industrial power distribution without compromising safety or performance.
• Trusted Siemens engineering: Built on Siemens’ proven circuit protection platform to deliver dependable performance in demanding environments.

Ideal applications and use cases

This circuit breaker excels in protecting feeder circuits and subfeed systems within panelboards and distribution boards. Use it in manufacturing floors, data centers, commercial electrical rooms, and service entrances where robust 3-pole protection at 480 V is required. It’s especially valuable for projects aiming to align with the original equipment manufacturer’s specifications while ensuring quick availability of genuine replacement parts.

What you get and how it fits

• Manufacturer: Siemens
• Part number: 3VA5212-7EF31-0AA0
• Product type: Circuit Breaker
• Amperage: 125 A
• Poles: 3
• Voltage: 480 V
• Availability: Available from AmpState

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

Practical installation tip: verify that your panelboard or electrical distribution setup accepts the Siemens 3VA5212-7EF31-0AA0 family and follow the manufacturer’s installation guidelines to ensure proper torque and secure termination. This approach minimizes downtime and maintains safe, reliable protection for power distribution in your facility.