Siemens 3VA5220-5ED31-0AA0 0A 3-Pole 3 V Circuit Breaker

The Siemens 3VA5220-5ED31-0AA0 is a compact, three-pole circuit breaker designed for precise protection in industrial control environments. With a 3-pole configuration and a 3 V voltage rating, this unit is tailored for specific low-voltage control circuits within Siemens systems. The current rating is listed as 0 A, making this part a highly specific solution for particular control applications and schematic requirements.

Key specifications

• Part number: 3VA5220-5ED31-0AA0
• Poles: 3
• Voltage rating: 3 V
• Current rating: 0 A

Why this Siemens breaker stands out

• Exact part identity for reliable replacement — The precise part number ensures seamless compatibility within Siemens panels and the broader 3VA protection family, reducing installation guesswork and maintenance risk.
• Three-pole protection — Simultaneous disconnection across all three conductors supports balanced protection in three-phase control circuits, simplifying wiring and enhancing panel safety.
• Low-voltage control circuit specialization — With a 3 V rating, this device is purpose-built for dedicated control and signaling paths in automation equipment, rather than main power distribution.
• Reliability in compatible systems — Designed to meet Siemens engineering standards, it offers predictable performance within matched accessories and enclosures, helping preserve system integrity during service and upgrades.

Ideal use cases

• Panel builders and integrators implementing Siemens automation systems that require a precise 3-pole protection device in low-voltage control networks.
• Retrofits or replacements in control cabinets where the exact part number 3VA5220-5ED31-0AA0 is specified by the control schematic or maintenance manuals.
• Laboratories or prototyping environments exploring three-phase control circuits that operate in a low-voltage regime.

Practical tips for you

• Verify that the application indeed uses a 3 V control circuit and that the 0 A current rating aligns with the desired protection strategy before installation.
• When integrating, ensure the mounting pattern and enclosure are compatible with Siemens three-pole devices to maintain proper fit and clearance.
• Keep the exact part number visible in documentation and labeling to simplify future maintenance and warranty considerations.

Designed for engineers and technicians who value precise component identification and dependable protection in Siemens ecosystems, the Siemens 3VA5220-5ED31-0AA0 0A 3-Pole 3 V Circuit Breaker delivers exact fitment, clear traceability, and consistent performance in the right low-voltage control contexts.