Siemens 3VA5222-5ED31-0AA0 0A 3-Pole 3 V Circuit Breaker Potential Transformer

Experience precise voltage sensing and dependable protection in a single, compact package with the Siemens 3VA5222-5ED31-0AA0. This 3-Pole, 3 V circuit breaker potential transformer module is designed for modern switchgear and distribution panels where space, reliability, and seamless integration matter.

Designed to streamline protection and metering workflows, the 3VA5222-5ED31-0AA0 combines a three-pole circuit breaker with an integrated potential transformer. The result is a streamlined solution that provides accurate voltage sampling for protection relays and metering devices, reducing wiring complexity and panel footprint while preserving Siemens’ engineering standards.

Key specifications

• Part Number: 3VA5222-5ED31-0AA0
• Poles: 3
• Voltage rating: 3 V
• Current rating: 0 A

Ideal use cases

• 3-phase switchgear installations where integrated protection and measurement are advantageous
• Protection relay input configurations that require a low-voltage sensing source
• Compact, space-constrained panels where reducing wiring and components improves reliability

Unique value and why it matters

What differentiates the Siemens 3VA5222-5ED31-0AA0 from separate components is the unified approach: a three-pole breaker paired with a dedicated potential transformer designed to work together within Siemens protection ecosystems. This integration minimizes connection points, accelerates installation, and helps ensure consistent voltage sampling for accurate relay coordination and metering data.

Practical guidance for deployment

• Verify compatibility with your protection relays and metering devices that accept low-voltage sensing inputs around 3 V
• Plan panel layout to maximize the benefits of the integrated design—fewer separate components can simplify wiring and diagnostics
• Use as part of a coordinated protection scheme in 3-phase power distribution to enhance monitoring accuracy and response times

With the Siemens 3VA5222-5ED31-0AA0, you gain a purpose-built solution that aligns with Siemens’ reliability standards while delivering practical benefits in real-world protection and measurement applications. Consider this integrated unit when you need a compact, reliable source for voltage sensing within a 3-phase system.