Siemens 3VA5335-6EC31-0AA0 350A 3P 600V Circuit Breaker, Bolt-On | AmpState

Meet the Siemens 3VA5335-6EC31-0AA0, a rugged 3-pole bolt-on circuit breaker engineered for dependable circuit protection in panelboards, load centers, and electrical distribution systems. Built for everyday electrical work, it’s the reliable choice when retrofit projects demand a fixed part number to simplify maintenance and scheduling.

Key specifications

• Amperage: 350 A
• Poles: 3
• Voltage: 600 V
• Mounting: Bolt-On
• Part Number: 3VA5335-6EC31-0AA0
• Manufacturer: Siemens

Why this bolt-on breaker stands out

• Secure bolt-on installation: Designed for strong busbar contact and durable performance in demanding environments, making retrofit work faster and cleaner with fewer accidental trips caused by loose fittings.
• Part-number stability for maintenance planning: The fixed 3VA5335-6EC31-0AA0 designation helps you keep procurement consistent across repairs and upgrades, reducing confusion when inventory cycles or documentation change.
• Three-phase protection for modern systems: With three poles, it safeguards balanced three-phase circuits common in commercial and industrial distributions, helping to prevent overloads and minimize downtime.
• High-load capability: Rated for 350 A, it suits equipment and feeders that demand substantial protection without frequent tripping, supporting reliable operation in busy electrical rooms.

Ideal use scenarios

• Retrofit projects where you must preserve the existing part number to match service records and maintenance reports.
• Panelboard and load-center upgrades in commercial spaces or light industrial facilities needing robust 3-phase protection.
• New installations that require a solid, bolt-on solution with clear, long-term compatibility within Siemens distribution systems.
• Maintenance planning where consistent component IDs streamline ordering and prevent mismatches during service cycles.

Compatibility and support

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit. AmpState offers this Siemens circuit breaker for timely availability, helping you minimize downtime during critical maintenance windows.

Practical tips and insights

• When planning a retrofit, verify panelboard model compatibility with the 3VA5335-6EC31-0AA0 family to ensure seamless mounting and electrical clearance.
• Keep a spare 3VA5335-6EC31-0AA0 on hand for planned maintenance cycles to maintain consistent protection across your distribution network.
• Document the exact part number in your electrical drawings to facilitate future service and audits, leveraging the fixed SKU for easier future replacements.