Siemens 3VA5145-4ED11-0AA0 45A 1P Circuit Breaker | AmpState

Meet the Siemens 3VA5145-4ED11-0AA0, a purpose-built circuit breaker designed to protect panelboards, load centers, and electrical distribution networks. At 45 A and 1-pole, this device is engineered for reliable overcurrent protection where space and simplicity matter most.

Why this breaker stands out

• Exact part-number compatibility: A direct part-number match (3VA5145-4ED11-0AA0) means quick sourcing, fewer compatibility doubts, and streamlined maintenance planning.
• Efficient, dependable protection: 45 A rating provides the right balance of protection and operational continuity for circuits that demand solid, predictable performance.
• Versatile installation: Designed for use across panelboards, load centers, and electrical distribution applications, making it a versatile choice for both new builds and upgrades.
• Trusted brand with global support: Siemens is renowned for its robust electrical components, backed by AmpState’s ready-to-ship inventory to minimize downtime.

Who benefits most

• Maintenance teams looking to keep critical distribution paths safeguarded with components that fit existing systems precisely.
• Panel builders needing reliable, ready-to-integrate breakers that match project part lists.
• Facilities managers and spare-inventory planners who value exact part-number availability to reduce sourcing friction and installation delays.

Practical considerations and use cases

• Use this breaker to protect circuits in residential, commercial, or light industrial panel enclosures where a single-pole, 45 A protection device is appropriate.
• Ideal for replacement scenarios where the exact Siemens 3VA5145-4ED11-0AA0 part is specified, ensuring seamless retrofits and ongoing system reliability.
• Keep it in stock as a dependable spare to shorten downtime during maintenance windows or unexpected panel servicing.

Assistance with fit and compatibility is straightforward. If you need to confirm the exact fit for your panel or distribution setup, AmpState offers support to verify compatibility and ensure you’re selecting the correct component for your Siemens-based system.

Secure the right protection for your electrical distribution with the Siemens 3VA5145-4ED11-0AA0—reliable, precise, and ready for immediate deployment from AmpState.