Siemens 3VA5222-6ED31-0AA0 0A 3-Pole 3 V Circuit Breaker Potential Transformer

Introducing the Siemens 3VA5222-6ED31-0AA0, a purpose-built protection and measurement-ready device designed for modern 3-phase panels. This 3-pole circuit breaker with a 3 V rating delivers dependable fault interruption while serving as a reliable interface for potential transformer (PT) sensing in distributed power systems. With a current rating listed as 0 A, it’s positioned for specialized protection schemes or measurement configurations where monitoring and control are prioritized within Siemens equipment ecosystems.

• Part Number: 3VA5222-6ED31-0AA0
• Current rating: 0 A
• Poles: 3
• Voltage rating: 3 V
• Configuration: 3-pole for three-phase protection
• Special feature: Potential transformer interface for sensing and metering

Designed for installations where precise voltage sensing and protection coordination are required, this Siemens device is ideal for industrial control panels, distribution boards, and test benches. The 3-pole design ensures all three phases are monitored together, simplifying wiring and protection logic. The potential transformer interface enables feeding measurement relays and metering equipment without additional accessories, reducing installation time and potential wiring errors.

• Reliability: Siemens engineering and robust construction deliver consistent protection in demanding environments.
• Maintenance-friendly: Compact form factor fits standard enclosures and allows straightforward replacement with matching part numbers.
• Traceability: Clear part number and specifications support quick procurement and service operations.

When upgrading a panel or provisioning a new switchgear installation, the Siemens 3VA5222-6ED31-0AA0 helps align protection, measurement, and control workflows in a single, dependable device.