Siemens 3VA5140-6ED21-0AA0 40A 2P 480V Circuit Breaker | AmpState

Siemens 3VA5140-6ED21-0AA0 is a 40 A, 2-pole, 480 V circuit breaker designed for reliable circuit protection in panelboards, load centers, and electrical distribution networks. Built for everyday electrical work, it shines in retrofit projects and maintenance planning when that exact part number must stay consistent.

• OEM-grade reliability and exact fit: matches the Siemens 3VA5140-6ED21-0AA0 part number for seamless stock management and compatibility with existing Siemens installations.
• Two-pole, 40 A protection: delivers dependable overcurrent protection for 480 V circuits in commercial and light industrial environments.
• Versatile compatibility: ideal for panelboards, load centers, and electrical distribution layouts where a compact, two-pole design is required.
• Retrofitting made easy: designed to slot into established panels without extensive rewiring, reducing downtime during upgrades or maintenance.
• AmpState availability: sourced through AmpState, ensuring availability when you need to keep your panels running smoothly.

Who needs this breaker? It's well-suited for facilities that rely on Siemens protection devices and require consistent part-numbering for maintenance programs—think electrical contractors, facilities managers, and industrial technicians responsible for aging or expanding electrical infrastructure.

Practical use cases:

• Expanding a facility's electrical distribution with a reliable 480 V feed
• Replacing a failed or outdated 2-pole breaker in a Siemens panelboard
• Carrying spare stock for maintenance planning, ensuring quick replacements during outages

Important considerations for selection and installation:

• Confirm panel compatibility: this is a 2-pole, 40 A, 480 V device intended for Siemens panelboards and load centers that support the 3VA family.
• Follow standard safety practices: de-energize equipment and consult your panel’s documentation before replacement.
• Stock for consistency: keeping the exact part number on hand simplifies ordering and reduces downtime in ongoing service programs.

In short, the Siemens 3VA5140-6ED21-0AA0 delivers dependable protection, a precise fit for Siemens systems, and practical benefits for retrofit and maintenance workflows. If you’re sourcing this part for a project, AmpState offers availability to help you keep projects on schedule and panels protected with OEM-grade reliability.