Siemens 3VA4140-4ED34-0AA0 40A 3P 600V Circuit Breaker | AmpState

Meet Siemens 3VA4140-4ED34-0AA0—a reliable, three-pole circuit breaker built to protect your electrical distribution in panelboards, load centers, and industrial setups. With a precise part number that stays constant across retrofits and maintenance cycles, this 40A breaker simplifies spare parts management while delivering steady, dependable protection for three-phase circuits at up to 600V.

• Part number: 3VA4140-4ED34-0AA0
• Amperage: 40 A
• Poles: 3
• Voltage rating: 600 V
• Application: panelboards, load centers, and electrical distribution
• Manufacturer: Siemens
• Availability: Ready to ship from AmpState

Why this Siemens 3VA4140-4ED34-0AA0 stands out

• Precise retrofit compatibility: The exact part number is designed for scenarios where you must maintain a consistent PN across replacements, upgrades, or maintenance cycles—minimizing fit issues and downtime.
• Three-pole protection for balanced power: Perfect for three-phase distribution, ensuring synchronized interruption on all phases to safeguard equipment and personnel.
• Broad voltage capacity: Rated for 600V, making it suitable for a wide range of industrial and commercial applications without compromise on safety margins.
• Clear identification and traceability: Siemens build quality with straightforward labeling supports fast inspection, testing, and documentation during audits or preventive maintenance.

Ideal use cases

• Retrofit projects: Replace aging breakers without changing panelboards, preserving existing wiring layouts and minimizing downtime.
• Maintenance planning: Stock a reliable spare that matches your existing PN, simplifying reorder processes and service planning.
• New installations in 3-phase, 600V systems: When your design calls for robust Siemens protection across all three phases, this breaker delivers consistent performance.
• Electrical distribution protection: Use in panelboards and load centers to safeguard feeders, motors, and downstream circuits from overloads and faults.

Installation and compatibility tips

This unit is designed to fit Siemens panelboards and load centers that accept 3VA-series devices. For best results, verify that your cabinet or enclosure supports 3P, 40A, 600V protection and that mounting, bus, and trip characteristics align with the 3VA4140-4ED34-0AA0 specification. If you’re unsure about exact fit, our team can help confirm compatibility using the part number you provide.

Shop with confidence

Available directly from AmpState, this Siemens circuit breaker combines trusted Siemens engineering with practical retrofit versatility. Need help confirming fit or matching a part number to your equipment? Message us and we’ll assist with compatibility checks to ensure a seamless installation.