Siemens 3VA4140-4ED24-0AA0 Circuit Breaker, 40A, 2-Pole, 480V

Engineered for rugged industrial panels, the Siemens 3VA4140-4ED24-0AA0 circuit breaker delivers reliable overcurrent protection for 40-amp circuits at up to 480 volts. As part of the durable 3VA series, it’s designed for service, maintenance, and replacement projects where fast, safe, and compatible protection matters most.

Why this model stands out

• Exact fit with part number 3VA4140-4ED24-0AA0 — verify compatibility by part number to ensure seamless replacement in your existing panel or MCC.
• Two-pole protection for simultaneous interruption of both conductors in 480V systems, improving safety and trip coordination.
• Industrial-grade durability built to endure demanding environments common in manufacturing, power distribution, and maintenance settings.
• 40 amp rating suited for motor circuits, feeders, and distribution paths that require reliable, moderate overcurrent protection.

Practical use cases

• Replacement in service panels or motor control centers where a 2-pole, 40 A, 480 V breaker is specified.
• Feeder protection for 480V distribution circuits in industrial facilities.
• Maintenance upgrades to align with updated electrical protection schemes, improving safety and compliance.

What to know before you buy

• Compatibility is determined by the part number and your application requirements — always confirm fit in your panel or MCC before ordering.
• The 3VA4140-4ED24-0AA0 model is intended for 480V systems and 40 A loads; ensure your wiring and terminals match the unit’s specifications.
• Handle with standard electrical safety practices; replace only with the power off and follow lockout/tagout procedures.

With Siemens backing and the trusted performance of the 3VA series, this circuit breaker provides a dependable solution for ongoing maintenance and lifecycle replacement in industrial electrical networks. Add the 3VA4140-4ED24-0AA0 to your cart to secure precise, compatible protection for your 480V, 40A circuits.