Siemens 3VA5120-5EF31-0AA0 20A 3P 600V Circuit Breaker | AmpState

Designed for everyday electrical protection, the Siemens 3VA5120-5EF31-0AA0 is a robust three-pole circuit breaker built to safeguard panelboards, load centers, and electrical distribution networks. With a precise 20 A rating and a 600 V maximum, it delivers reliable protection for 3‑phase circuits in commercial and light industrial setups.

Why this specific part matters: it’s a direct part-number match from Siemens, making it an ideal choice for maintenance teams, panel builders, and spare inventories where compatibility and fit are non-negotiable. Availability from AmpState means you can keep critical service stock ready for fast replacements, minimizing downtime when service calls come in.

• Part number: 3VA5120-5EF31-0AA0
• Type: 3-pole (three-phase) circuit breaker
• Amperage rating: 20 A
• Voltage rating: 600 V
• Applications: suitable for distribution in panelboards, load centers, and electrical distribution systems
• Brand and lineage: Siemens 3VA series, ensuring compatibility with existing Siemens installations

Who should consider this breaker?

• Maintenance teams performing replacements or upgrades in Siemens panelboards and distribution assemblies
• Panel builders seeking components that guarantee exact fit with existing wiring diagrams and enclosure specs
• Facilities managers maintaining spare inventory to reduce on-site downtime during outages

How this part solves common challenges:

• Eliminates compatibility guesswork with a factory-part-number match, so you know it will fit your Siemens systems without modification
• Helps ensure consistent protection across three-phase circuits, supporting safer, more reliable electrical distribution
• Supports fast turnaround for service and maintenance by keeping a dependable, readily identifiable component on hand

Tips for optimal use:

• Verify that your panelboard or load center is configured for a 3VA series 3P 20 A, 600 V device to ensure seamless replacement
• Store spare breakers in a cool, dry environment to preserve performance and longevity
• If you’re unsure about fit, send us the exact part number and panel model for a quick compatibility check—AmpState is ready to help confirm fit

When you choose the Siemens 3VA5120-5EF31-0AA0 from AmpState, you’re selecting a genuine, exact-match component designed to keep your electrical distribution running smoothly. Ready for immediate ordering and dependable in-service performance, it’s the practical, no-surprise solution for three-phase protection where fit matters most.