Siemens 3VA4145-6ED34-0AA0 45A 3P 480V Circuit Breaker | AmpState

The Siemens 3VA4145-6ED34-0AA0 45A 3P 480V circuit breaker is engineered for dependable protection in panelboards, load centers, and electrical distribution systems. Designed for everyday electrical work, this unit is an exact, BOM-aligned replacement that keeps your original installation intact while delivering trusted Siemens performance in demanding 3‑phase environments.

• Amperage and type: 45 A, 3-pole circuit breaker for three-phase circuits
• Voltage rating: 480V operating range, suitable for standard 3-phase power distribution
• OEM compatibility: Part number 3VA4145-6ED34-0AA0 ensures precise fit, footprint, and trip characteristics
• Application: Ideal for panelboards, load centers, and electrical distribution panels requiring a reliable, field-serviceable protection device
• Replacement use: Perfect for replacement projects and stocking spares to maintain BOM alignment with the original part

With this Siemens breaker, you’re not guessing about compatibility—you’re choosing a part engineered to slot into your existing assemblies without modification. The exact part-number lineage minimizes downtime during maintenance or retrofit projects and helps you preserve consistent electrical protection across your system.

Who benefits most: facilities managers, maintenance teams, electrical contractors, and OEMs who need a reliable, field-serviceable solution for 480V 3‑phase circuits. It’s particularly valuable in data centers, manufacturing lines, and utility rooms where downtime is costly and consistency matters.

Practical use cases include replacing a worn or failed breaker without reconfiguring bus bars or control wiring, stocking a BOM-aligned spare to speed on-site swaps, and maintaining uniform protection across multiple panels that serve interconnected three-phase loads.

Why choose this model over generic equivalents? It preserves the exact electrical characteristics and physical footprint of your original installation, reducing rework and ensuring predictable trip behavior in demanding 480V environments. When in doubt about fit, AmpState offers support to confirm compatibility—simply reach out and we’ll help verify the correct match for your panelboard or distribution setup.

Ready to secure your system’s protection with a trusted Siemens part? This 3VA4145-6ED34-0AA0 45A 3P 480V circuit breaker is available from AmpState, ready to ship, and backed by support to ensure a precise, drop-in replacement for your BOM.