Siemens 3VA4145-5ED34-0AA0 45A 3P 480V Circuit Breaker | AmpState

Designed for dependable performance in everyday electricalwork, the Siemens 3VA4145-5ED34-0AA0 is a 45 A, 3-pole, 480 V circuit breaker built to shield panelboards, load centers, and electrical distribution networks from overloads and short circuits.

• Exact part-number compatibility: The direct Siemens part 3VA4145-5ED34-0AA0 ensures seamless replacement and maintenance without guesswork, keeping your spares and stock organized around one precise SKU.
• Three-phase, 480-volt operation: Perfect for industrial and commercial systems that run on three-phase power at 480 V, delivering reliable protection where it matters most.
• 45 A protection: Provides targeted current limiting to safeguard wiring, equipment, and downstream devices from faults and overloads.
• Versatile installation for distribution systems: Suitable for use in panelboards, load centers, and various electrical distribution configurations—supporting your evolving protection strategy.
• AmpState availability: Ready-to-ship from AmpState, helping you minimize downtime. If you’re unsure about fit, we’re here to help confirm compatibility with your equipment.

What problems does this solve?

When your electrical system relies on stable, predictable protection, mismatched breakers can lead to nuisance trips or costly downtime. This Siemens 3VA4145-5ED34-0AA0 delivers plug-and-play reliability for three-phase circuits at 480 V, ensuring quick replacements that maintain system integrity and safety.

Ideal for:

• Maintenance teams stocking standard spare parts for Siemens panelboards and distribution gear
• Panel builders seeking OEM-grade components that guarantee fit and performance
• Facilities with recurring service needs on 480 V, three-phase electrical networks

Why choose this over generic alternatives?

Using an exact OEM part number eliminates ambiguity in compatibility and performance. This Siemens breaker is designed to integrate with Siemens panelboards and load centers, reducing the risk of mismatches and ensuring consistent protection across your installation.

Quick reference specs

• Manufacturer: Siemens
• Part Number: 3VA4145-5ED34-0AA0
• Product Type: Circuit Breaker
• Amperage: 45 A
• Poles: 3
• Voltage: 480 V
• Availability: AmpState

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