Siemens 3VA5120-6ED21-0AA0 20A 2P 480V Circuit Breaker | AmpState

The Siemens 3VA5120-6ED21-0AA0 20A 2P 480V Circuit Breaker is a dependable safeguard for electrical distribution in panelboards, load centers, and sophisticated distribution networks. Built for reliability in commercial and light industrial environments, this direct-part-number match ensures seamless replacement and streamlined maintenance—minimizing downtime and inventory headaches.

What you get with this 3VA5120-6ED21-0AA0 breaker

• Amperage and form: 20 A, 2-pole configuration for robust two-wire protection across a circuit.
• Operating voltage: Suitable for 480V systems, delivering dependable protection in higher-voltage installations.
• Manufacturer integrity: Real Siemens quality with a precise part number that matches exact panels and spare inventories.
• Compatibility: Ideal for panelboards, load centers, and distribution panels where a direct part-number match matters for fast ordering and consistent performance.

Why this breaker matters in real-world setups

In facilities with mixed electrical loads, having a 20A, 2-pole 480V breaker from Siemens means you’re protecting both the circuit and the equipment it serves while maintaining clean, traceable documentation for compliance and maintenance records. The 3VA5120-6ED21-0AA0 fits projects that rely on Siemens’ established protection architecture, reducing the risk of mismatched parts during routine service or emergency replacements.

Ideal use cases

• Commercial electrical distribution where 480V circuits are common, such as lighting and HVAC main feeders.
• Industrial panels and equipment racks that require reliable 2-pole protection at 480V.
• Maintaining spare inventories for panel builders and service teams that service Siemens-based installations.
• Panel replacement scenarios where an exact part-number match accelerates ordering and reduces commissioning risk.

Key benefits and differentiators

• Direct part-number match minimizes compatibility questions and speeds up procurement and installation.
• Siemens-grade reliability supports consistent performance under normal and fault conditions in demanding facilities.
• Clear documentation trail—keep the exact part number in your inventory for maintenance planning and regulatory checks.
• Inventory confidence with AmpState support, making it easier to confirm fit and availability for your project or service needs.

Practical guidance for deployment

• Before replacement, verify the panel labeling to confirm 2-pole, 20A, 480V protection specification matches the 3VA5120-6ED21-0AA0 part.
• Document the exact part number in your maintenance logs to ensure future replacements stay consistent with your electrical protection strategy.
• When purchasing, reference the full part number to ensure you’re receiving the Siemens 3VA5120-6ED21-0AA0 configuration designed for your setup.
• Store the spare in a controlled environment to preserve performance characteristics and prevent corrosion or contamination.

Designed for professionals who demand precision, reliability, and easy maintenance, the Siemens 3VA5120-6ED21-0AA0 20A 2P 480V Circuit Breaker is a thoughtful choice for safeguarding your critical electrical infrastructure. If you need help confirming fit or compatibility, AmpState is ready to assist—ensuring you lock in the right part for your panel, project, or spare inventory.