Siemens | 3VA4120-5ED34-0AA0 | Circuit Breaker | 0A | 3-Pole

Siemens 3VA4120-5ED34-0AA0 is a 3-pole circuit breaker designed for maintenance, retrofit, and replacement projects where exact specifications matter. By using the precise part number, you ensure a reliable match for compatible Siemens panels and assemblies, helping minimize downtime and maintain safe, stable electrical distribution.

Specifications at a glance

• Amperage: 0 A
• Poles: 3-Pole
• Part number: 3VA4120-5ED34-0AA0
• Compatibility note: Confirm fit and ratings before ordering. The part number is the best reference for compatibility.

Why this Siemens breaker stands out

• Exact part-number compatibility reduces the risk of mismatched breakers in Siemens systems, making it ideal for technicians who manage multiple panels and retrofit projects.
• Three-pole design is tailored for three-phase circuits, providing synchronized protection across all phases in industrial or commercial settings.
• Prepared for maintenance, retrofit, or replacement needs where precise specifications are required, ensuring continuity in power distribution without surprises.
• As an original Siemens component, it aligns with the brand’s reliability and build quality, supporting long-term performance in demanding environments.

Ideal use cases

• Maintenance tasks on existing Siemens panels where a spare or replacement is needed with an exact spec match.
• Retrofits that require a three-phase, 3-pole breaker to fit the target Siemens infrastructure.
• Replacement in equipment fleets where inventory relies on the official part number for compatibility and safety compliance.

Practical installation and compatibility tips

Before ordering, verify that the exact part number matches your system: 3VA4120-5ED34-0AA0. Use this part number as the primary reference to confirm fit and ratings with your panel’s manufacturer data. If in doubt, consult your electrical engineer or maintenance technician to ensure the 0 A amperage and 3-pole configuration align with the required protection scheme for your three-phase circuit.