Siemens 3VA5270-5EF31-0AA0 70A 3P 480V Circuit Breaker | AmpState

Meet the Siemens 3VA5270-5EF31-0AA0 — a purpose-built 70 A, 3-pole circuit breaker engineered for reliable protection in panelboards, load centers, and electrical distribution systems. Designed to align with the original BOM, this part is the precise replacement you need to keep critical infrastructure running smoothly.

Key specifications

• Manufacturer: Siemens
• Part number: 3VA5270-5EF31-0AA0
• Product type: Circuit Breaker
• Amperage: 70 A
• Poles: 3
• Voltage: 480 V
• Application: Suitable for panelboards, load centers, and general electrical distribution
• Availability: Available from AmpState

The 3VA5270-5EF31-0AA0 is not just a part—it's a strategic purchase for maintenance teams and project engineers who need to preserve BOM integrity and minimize downtime. By stocking this exact Siemens model, you ensure compatibility with existing installations and streamline asset management in facilities that rely on precise part numbers for service and upgrades.

Why this breaker stands out

• BOM-aligned replacement: Keeps maintenance and retrofit projects consistent with the original specification, reducing guesswork during spare management.
• Clear compatibility pathway: Specifically chosen for panelboards, load centers, and electrical distribution setups that call for the 3VA5270-5EF31-0AA0 part number.
• Ease of procurement: Widely available through AmpState, making it simpler to source exact equivalents for ongoing maintenance programs.

Ideal for

• Facility managers and electrical maintenance teams maintaining commercial or light industrial electrical systems
• Electrical contractors performing replacement projects or upgrades that require precise Siemens parts
• OEMs seeking to keep spare parts aligned with original design specifications

Practical use cases and tips

Use this breaker when you need a dependable, standards-compliant solution for protecting 480 V three-phase circuits. It’s especially beneficial in environments where downtime is costly and exact part numbers are essential for ordering, repairs, and future serviceability. To ensure fit, confirm that your system’s configuration calls for a 70 A, 3-pole, 480 V breaker of the 3VA5270-5EF31-0AA0 designation. If there’s any doubt about compatibility, message us and we’ll help verify the fit.

How it compares to alternatives

Compared to generic substitutes, this Siemens model preserves your BOM integrity and keeps maintenance records clean by matching the exact original specification. It reduces the risk of incompatibilities that can arise from aftermarket parts and supports straightforward inventory management for ongoing operations.

Ready to secure reliable circuit protection with a proven Siemens part? Contact AmpState to confirm fit, availability, and options for stocking this model as part of your preventive maintenance plan.