Siemens 3VA5340-7EC61-0AA0 400A 2P 480V Circuit Breaker | AmpState

Engineered for dependable protection in electrical distribution, the Siemens 3VA5340-7EC61-0AA0 is a circuit breaker built to perform in panelboards, load centers, and other distribution assemblies. With a 400 A rating across two poles and a 480 V operating range, it's designed to handle demanding industrial and commercial environments while keeping wiring straightforward and可靠.

This model shines in retrofit and maintenance planning where keeping the exact part number is critical. By choosing a direct, like-for-like Siemens replacement, you minimize rework, avoid busbar or mounting mismatches, and ensure trip coordination remains consistent with your existing setup.

Key specifications

• Amperage: 400 A
• Poles: 2
• Voltage: 480 V
• Part Number: 3VA5340-7EC61-0AA0
• Manufacturer: Siemens
• Application: Circuit protection for panelboards, load centers, and electrical distribution

Why this Siemens breaker is a practical choice

• Exact part number support ensures compatibility with existing Siemens gear and simplifies installation documentation.
• Streamlined maintenance planning with a consistent replacement part, reducing downtime and mis-orders.
• Availability from AmpState, with support to confirm fit and cross-check against your panel lineup.
• Compact two-pole design provides synchronized protection across two conductors, ideal for 480 V distribution circuits.

Use cases and scenarios

• Retrofit projects where an original Siemens 3VA series breaker must stay identifiable for records and spare-part alignment.
• Maintenance cycles in factories, warehouses, or data centers that rely on predictable, like-for-like replacements.
• Emergency replacements in panelboards and load centers where downtime must be minimized and installation verified quickly.

For compatibility confirmation, or help matching a part number to your panel, message us and we’ll help you confirm fit.

With AmpState, you’re choosing a reliable Siemens circuit protection solution designed to keep your distribution network safe and available when it matters most.