Siemens 3VA5140-4ED31-0AA0 Circuit Breaker, 40A, 3-Pole, 480V

Meet the Siemens 3VA5140-4ED31-0AA0 circuit breaker—a rugged, industrial-grade protection device engineered for demanding power environments. With a 40 A rating and a 3-pole configuration for 480 V systems, this unit delivers reliable overcurrent protection for three-phase networks, safeguarding motors, drives, and critical distribution equipment.

• aligns with standard 3-phase power systems, ensuring balanced protection across all phases.
• 40 A current rating provides precise, predictable interruption for overload and fault conditions, helping minimize downtime and equipment damage.
• Industrial-grade construction designed to withstand the rigors of maintenance and replacement projects in busy facilities and manufacturing floors.
• Part-number clarity for easy compatibility—use 3VA5140-4ED31-0AA0 to confirm fit within your application; keep the exact part on hand for streamlined service and stocking.
• Streamlined procurement with a single Siemens part number simplifies ordering and inventory management for ongoing maintenance programs.

Why this Siemens circuit breaker stands out

In challenging industrial settings, reliable protection is non-negotiable. The 3VA5140-4ED31-0AA0 delivers consistent performance in 480 V three-phase circuits, reducing the risk of equipment damage during faults and helping you maintain operational uptime. Its Siemens pedigree ensures compatibility with a broad range of Siemens protection schemes and replacement parts, which can simplify installation and future service.

Use cases and ideal buyers

• Manufacturing facilities upgrading or replacing aging protection components in 480 V, three-phase systems.
• Maintenance teams stocking spare parts for quick, on-site circuit protection replacements.
• OEMs and electrical contractors integrating a proven Siemens circuit breaker into new panel boards or switchgear assemblies.

Compatibility, installation, and care

Notes for ensure-fit success: verify fit by the exact part number and assess your application requirements before purchase. For compatibility questions or help matching a part number to your system, you can contact support for guidance. Always install or replace circuit breakers by qualified personnel, follow local electrical codes, and confirm that voltage, current rating, and trip characteristics align with your equipment and protection scheme.

Part number: 3VA5140-4ED31-0AA0. Notes: Verify fit by part number and application requirements. Need help matching a part number or confirming compatibility? Message us and we'll help.