Siemens 3VA6340-5KL31-0AA0 400A 3P 600V Circuit Breaker, Bolt-On | AmpState

Built for everyday electrical work, the Siemens 3VA6340-5KL31-0AA0 is a robust circuit breaker designed to protect your panelboards, load centers, and electrical distribution networks. With a 400 A capacity, this 3-pole unit delivers reliable protection for demanding feeders while operating at up to 600 V.

• Three-pole, 400 A, 600 V rating — consolidates protection for multi-phase circuits in a single, compact device.
• Bolt-On mounting — straightforward installation and secure mounting in compatible enclosures, reducing installation time and service downtime.
• Paneled electrical protection — specifically suited for panelboards, load centers, and electrical distribution networks where consistent performance matters.
• Original BOM alignment — ideal for replacement projects and keeping your bill of materials synchronized with the original part number, 3VA6340-5KL31-0AA0.
• AmpState availability — readily stocked by AmpState, with support to confirm fit and compatibility if you’re matching a part number.

Why this Siemens breaker matters — when dependable circuit protection is non-negotiable, this bolt-on breaker provides a proven path to maintain protective coordination across your electrical distribution system. Its design focuses on compatibility with existing Siemens infrastructure, helping you preserve system integrity during replacements or stocking for maintenance windfalls.

Practical use cases — replace aging or failed breakers in panelboards and load centers, maintain BOM consistency during retrofits, and stock a reliable spare to minimize downtime in critical distribution paths. This unit is a clear choice for professionals who manage industrial or commercial electrical services and need a dependable, compatible part number for quick sourcing.

Specifications

• Manufacturer: Siemens
• Part Number: 3VA6340-5KL31-0AA0
• Product Type: Circuit Breaker
• Amperage: 400 A
• Poles: 3
• Voltage: 600 V
• Mounting: Bolt-On
• Availability: AmpState

If you’re unsure about compatibility, AmpState offers support to confirm fit and ensure alignment with your existing systems. Message us and we’ll help verify that the 3VA6340-5KL31-0AA0 meets your panel, load center, and distribution requirements.