Siemens 3VA4145-4ED34-0AA0 Circuit Breaker, 45A, 3-Pole, 347V

The Siemens 3VA4145-4ED34-0AA0 Circuit Breaker is purpose-built for demanding industrial electrical service, routine maintenance, and replacement projects. With a 45 A rating and three poles, it delivers reliable protection for three-phase feeders at 347 V, helping prevent damage from overloads and short circuits while enabling safe isolation when faults occur.

• Exact fit by part number: Use 3VA4145-4ED34-0AA0 to confirm compatibility with your Siemens panel or enclosure. This is a precise, drop-in replacement that reduces installation risk and calibration time.
• Three-pole configuration for balanced protection: Protects all three phases together, maintaining system harmony and extending the life of downstream equipment.
• 347 V operational rating: Designed for commercial and industrial three-phase networks that run at 347 V, providing dependable protection where it matters most.
• Industrial-grade reliability: Built to support maintenance schedules and long-term service needs in busy facilities, helping minimize unexpected outages.
• Clear compatibility guidance: Verify fit by part number and your specific application requirements. If you’re unsure, our team can help confirm this part matches your setup.

Ideal use cases include motor control circuits, panel boards, and three-phase feeders in manufacturing, processing facilities, and large commercial installations. As a Siemens-made component, this breaker integrates smoothly with existing Siemens protective schemes, simplifies inventory management, and supports consistent documentation for service records and compliance.

Why choose this Siemens 3VA4145-4ED34-0AA0 over other options? The exact part number ensures a reliable electrical fit with minimal compatibility concerns, streamlines ordering and replacement procedures, and preserves the integrity of your protective strategy across maintenance cycles.

If you need help confirming compatibility or matching the part number to your application, message us for expert guidance. We’ll help verify that the 3VA4145-4ED34-0AA0 is the right circuit breaker for your 347 V three-phase system and your equipment protection goals.