Siemens 3VA5222-7EC31-0AA0 0A 3-Pole 3 V Circuit Breaker

Siemens 3VA5222-7EC31-0AA0 0A 3-Pole 3 V Circuit Breaker is a genuine Siemens component designed for precise, three-phase protection in compact electrical environments. With a 0 A current rating and a 3 V voltage rating, this 3-pole breaker is built to integrate seamlessly into Siemens automation layouts where exacting specifications and reliable interruption are required.

• Part number: 3VA5222-7EC31-0AA0
• Poles: 3 (three-pole configuration for full-phase protection)
• Current rating: 0 A
• Voltage rating: 3 V
• Manufacturer: Siemens

This circuit breaker is a precise fit for Siemens-based control panels and automation cabinets that rely on the 3VA series ecosystem. Its three-pole design ensures synchronized protection across all conductors in a three-phase setup, helping to prevent imbalanced loads and accidental damage to downstream equipment. As a genuine Siemens part, it aligns with your existing inventory, warranty expectations, and maintenance practices, reducing the guesswork when replacing a failed module.

Ideal use cases

Three-phase protection in compact control panels for machinery and automation equipment, where matching Siemens 3VA components is essential for reliable operation. Suitable for replacement in systems that specify the 3VA5222-7EC31-0AA0 part, ensuring compatibility with your current wiring, labeling, and field connections.

Benefits you’ll notice

• Exact compatibility with Siemens 3VA family components, helping maintain system integrity
• Three-pole design provides consistent protection across all phases
• Clear part traceability with the full part number for streamlined maintenance and ordering
• Reliable interruption capabilities in low-voltage, three-phase environments

Practical tips for installation and care

Verify your panel’s specification to ensure this 0 A, 3 V rating aligns with your application. When replacing, handle the unit with care to protect contact surfaces and ensure proper seating in the mounting slot. Store spare units in their original packaging to preserve performance characteristics and labeling for quick future reference. For ongoing reliability, keep a record of the replacement part number (3VA5222-7EC31-0AA0) and cross-check it against your Siemens maintenance schedule.