Siemens 3VA5215-5ED31-0AA0 0A 3-Pole 3 V Circuit Breaker Potential Transformer

Introducing the Siemens 3VA5215-5ED31-0AA0, a purpose-built circuit breaker with an integrated potential transformer designed for precise protection and accurate voltage sensing in demanding industrial environments. This 3-pole configuration combines reliable protection coordination with compact, panel-friendly dimensions, making it a smart choice for modern switchgear and control systems.

Key specifications

• Part number: 3VA5215-5ED31-0AA0
• Current rating: 0 A
• Poles: 3
• Voltage rating: 3 V

What makes this 3-Pole, 3 V setup essential

In protection and metering schemes, a three-pole arrangement guarantees balanced monitoring across all phases, enhancing fault detection and improving coordination with protective relays. The 3 V sensing specification supports low-voltage control circuits, ensuring accurate voltage measurement without compromising system safety. As a Siemens original part, it brings proven reliability and electrical characteristics that align perfectly with Siemens switchgear and protection ecosystems.

Benefits and practical applications

• Trusted Siemens reliability: OEM part that meets exact tolerances, reducing compatibility risks and installation headaches.
• Seamless integration: Designed to slot into existing Siemens protection and metering configurations, preserving performance and signaling integrity.
• Compact, space-efficient design: 3-pole form factor fits tight panels and crowded control cabinets without sacrificing accessibility.
• Precise voltage sensing for protection relays: Facilitates accurate monitoring for upstream and downstream protection schemes, supporting quicker fault isolation.
• Durable for maintenance and upgrades: An ideal replacement or upgrade component in legacy systems that rely on Siemens terminology and connectors.

Ideal use cases

Perfect for industrial control panels, motor control centers, and switchgear assemblies where reliable protection coordination and precise voltage sensing are critical. This part is well-suited for technicians conducting panel retrofits, capacity expansions, or routine maintenance within Siemens-powered electrical infrastructure.

Installation notes and best practices

Consult the Siemens datasheet for exact installation instructions, torque specifications, and terminal wiring. Verify compatibility with your protection relays and metering modules, and ensure proper labeling during setup. Store spare units in a clean, dry environment to maintain connector integrity and insulation.

Choose the Siemens 3VA5215-5ED31-0AA0 for a dependable, OEM-aligned solution that delivers accurate voltage sensing and robust protection across a three-phase system.