Siemens 3VA5460-0MU31-0AA0 600A 3P 480V Circuit Breaker | AmpState

The Siemens 3VA5460-0MU31-0AA0 is a rugged, high-capacity circuit breaker designed to protect critical power circuits in panelboards, load centers, and electrical distribution setups. With a 600 A rating and three poles at 480 V, this unit delivers reliable overcurrent protection for heavy-duty systems. Its exact part number (3VA5460-0MU31-0AA0) supports retrofit work and maintenance planning where catalog consistency matters.

Why this model stands out

Built to align with Siemens' 3VA family, this breaker ensures seamless compatibility with existing Siemens switchgear and panelboards. The 3-pole configuration provides synchronized protection for three-phase systems, reducing imbalance risks and simplifying fault isolation. The 480 V rating matches common industrial and commercial power distributions, enabling direct replacement in many installations without rewiring or adapters. This precision-fit capability is especially valuable when maintaining long-term equipment availability and reducing downtime during service events.

Key specifications

• Part Number: 3VA5460-0MU31-0AA0
• Amperage: 600 A
• Poles: 3
• Voltage: 480 V
• Type: Circuit Breaker
• Manufacturer: Siemens

Ideal for

• Retrofit projects where preserving the exact part number streamlines purchasing, approvals, and re-qualification
• Maintenance planning for large panelboards, load centers, and electrical distribution networks
• Industrial and commercial applications requiring robust 3-pole protection at 480 V

Compatibility and support

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit for your specific Siemens panelboard or load center. AmpState monitors compatibility across Siemens equipment to minimize guesswork and ensure you’re ordering the correct breaker the first time.

Why buy from AmpState

AmpState stocks genuine Siemens components, including the 3VA5460-0MU31-0AA0, with reliable availability and fast shipping. We focus on exact-match part numbers to simplify maintenance inventories and retrofit planning, helping you reduce downtime and keep your electrical distribution running smoothly.

Practical installation and reliability tips

Before replacing, verify the system is de-energized and that the existing configuration matches a 3-pole, 480 V setup. Confirm that the protected circuits’ current ratings align with the 600 A capacity to prevent nuisance tripping. Refer to Siemens installation guidelines for torque specifications and connection methods to ensure a secure, lasting installation. Keeping a few exact-part-number breakers in stock simplifies future maintenance and ensures quick, accurate replacements during critical outages.