Siemens 3VA4120-4ED34-0AA0 20A 3P 480V Circuit Breaker | AmpState

Protect your 480V three-phase distribution with precision using the Siemens 3VA4120-4ED34-0AA0. This 20 A, 3-pole circuit breaker is purpose-built for panelboards, load centers, and electrical distribution networks, delivering dependable protection where it matters most. Designed for retrofit work and maintenance planning, it supports seamless replacements while keeping your existing part numbers intact for quick, downtime-minimized service.

Key specifications

• Amperage: 20 A
• Poles: 3
• Voltage: 480 V
• Part Number: 3VA4120-4ED34-0AA0
• Type: Circuit Breaker

Why this Siemens model stands out

• Exact-fit compatibility for Siemens panelboards and load centers, enabling straightforward retrofits without reconfiguring upstream distribution.
• Consistent part numbering (3VA4120-4ED34-0AA0) simplifies inventory management and maintenance planning, reducing search time during repairs or replacements.
• Reliable, factory-grade protection for 480V three-phase installations, helping prevent unplanned outages in industrial and commercial settings.

Ideal use cases

• Retrofit projects where keeping the existing part number is critical for documentation and schematics alignment.
• Maintenance planning for electrical distribution in facilities with 480V three-phase systems.
• New installations requiring a proven Siemens 3P 480V breaker in panelboards and load centers.
• Spare-part stocking for quick response to service calls, minimizing downtime and operational disruption.

Practical guidance

• Before replacing, verify that your enclosure and bus configurations match the 3VA4120-4ED34-0AA0 specification to ensure proper fit and safe operation.
• Maintain a ready supply of the exact part number to streamline maintenance workflows and keep documentation consistent across sites.
• AmpState can assist with compatibility checks if you’re unsure about fit—reach out for quick confirmation.

Purchase with confidence from AmpState—the trusted source for Siemens circuit protection and critical electrical equipment. This 3VA4120-4ED34-0AA0 is ready to secure your 480V distribution with precise, dependable performance.