Siemens 3VA5190-5ED31-0AA0 0A 3-Pole 3 V Circuit Breaker Potential Transformer

Take a closer look at the Siemens 3VA5190-5ED31-0AA0 0A 3-Pole 3 V Circuit Breaker Potential Transformer — an OEM solution designed to integrate seamlessly with Siemens protection relays and switchgear in three-phase installations. This compact 3-pole unit combines protection switching with a built-in potential transformer interface, delivering precise sensing for metering and relay signaling.

Key specifications

• Part Number: 3VA5190-5ED31-0AA0
• Current rating: 0 A
• Poles: 3
• Voltage rating: 3 V
• Application: Circuit Breaker with Potential Transformer capabilities
• Manufacturer: Siemens

Why this Siemens part stands out

As an OEM Siemens part, it guarantees exact mechanical fit and electrical interfaces with your existing equipment, reducing installation time and downtime. The three-pole configuration ensures synchronized protection across all three phases, which is essential for balanced protection in 3-phase systems. The 3 V rating supports the device’s measurement and signaling role, enabling compatible protection relays and metering circuits to read accurate in-line data. The part number specificity (3VA5190-5ED31-0AA0) helps you source the exact component your panel expects, safeguarding against compatibility issues that can arise with generic substitutes.

Who should consider this part

Maintenance technicians, panel builders, and plant engineers working with Siemens switchgear and protection relays will find this OEM solution especially valuable. It’s a dependable option for spare parts inventories in facilities relying on Siemens control infrastructure and for projects requiring precise, original equipment components rather than generic substitutes.

Practical tips for sourcing and installation

• Verify the exact part number (3VA5190-5ED31-0AA0) matches your equipment requirements before ordering.
• Confirm the three-pole configuration aligns with your 3-phase bus arrangement.
• Check that the 3 V rating matches your protection relay input requirements; the 0 A current rating indicates this variant is configured for sensing and protection signaling rather than continuous load current.
• Follow standard electro-mechanical safety procedures during replacement; power down and discharge as per site protocol.
• Store in a clean, dry environment to preserve terminals and connectors.

Designed for reliable three-phase protection and precise measurement integration, the Siemens 3VA5190-5ED31-0AA0 stands out as a purpose-built, OEM solution that aligns with existing Siemens gear and engineering expectations.