Siemens 3VA4120-6ED14-0AA0 20A 1P 277V Circuit Breaker | AmpState

Engineered for robust, predictable circuit protection in commercial electrical systems, the Siemens 3VA4120-6ED14-0AA0 is a single-pole, 20 A circuit breaker designed for panelboards, load centers, and distribution panels operating at 277 V. When maintenance planning requires a consistent part number, this exact Siemens component keeps replacements and retrofits efficient and traceable.

Key specifications

• Part number: 3VA4120-6ED14-0AA0
• Amperage: 20 A
• Poles: 1 Pole
• Voltage rating: 277 V
• Applications: panelboards, load centers, electrical distribution
• Manufacturer: Siemens
• Availability: AmpState offers this specific part

Why this Siemens breaker stands out

Unlike generic replacements, this is the exact Siemens part designed to fit Siemens panel systems. The 3VA4120-6ED14-0AA0 helps keep retrofit work streamlined and reduces compatibility concerns during maintenance planning, ensuring you can source the right component without guesswork.

Ideal use scenarios

• Retrofit projects where a precise part number is required to maintain labeling, listings, and warranty considerations.
• Maintenance planning for facilities with Siemens equipment, enabling stock of the correct 20 A, 277 V single-pole breakers.
• New installations in commercial spaces that utilize 277 V lighting or distribution circuits where single-pole protection is needed. In commercial settings, 277 V is a common standard for lighting systems and related distribution, making this breaker a practical fit.

Support & compatibility

Need help confirming fit? AmpState offers compatibility assistance for part numbers and panel compatibility. Message us to verify that 3VA4120-6ED14-0AA0 matches your Siemens panelboard or load center before you order.