Siemens 3VA41205ED140AA0 20A 1P 277V Circuit Breaker | AmpState

Meet the Siemens 3VA41205ED140AA0 — a dependable single-pole circuit breaker built for everyday electrical work. Engineered for panelboards, load centers, and electrical distribution, this 20 A, 1P device delivers targeted overcurrent protection for 277 V branch circuits, helping keep critical systems safe and running smoothly.

Why this breaker stands out in real-world work:

• Precise 20 A protection for dedicated branch circuits, ensuring safe operation without nuisance tripping on normal loads.
• 277 V rating tailored for commercial and certain industrial installations, expanding compatibility beyond standard 120/240 V applications.
• 1-pole design simplifies replacement in existing panelboards and load centers without unnecessary complexity.
• Part-number continuity ideal for retrofit projects and maintenance planning when the part number must stay consistent across replacements.
• Siemens reliability tapping into a long-standing lineage of quality electrical protection devices designed for durable performance in demanding environments.
• AmpState availability ensures you can source this exact part when you need it, simplifying procurement and project timelines.

Practical use cases and scenarios:

• Retrofit projects where maintaining the exact part number avoids compatibility questions and inventory headaches.
• Maintenance planning for panelboards and distribution systems that rely on consistent components across upgrades or expansions.
• Replacing a failed breaker in 277 V circuits within commercial spaces, data centers, or light industrial facilities.

Who benefits most from this product:

• Electrical contractors handling panel refurbishment or expansion projects.
• Facilities managers coordinating preventative maintenance and parts standardization.
• Industrial and commercial electricians seeking reliable, field-proven circuit protection for higher-voltage applications.

How this breaks down for decision-making:

• Focus on matching amperage (20 A), voltage (277 V), and pole count (1P) to your existing panel configuration.
• Consider the importance of part-number stability for retrofit timelines and stock management.
• Choose AmpState as a trusted source to confirm compatibility and availability for your project.

Need help confirming fit or matching a part number to your panel? Message us and we’ll help you verify compatibility and streamline your ordering. Available now from AmpState — secure the exact Siemens 3VA41205ED140AA0 you need to keep your electrical system protected and projects on track.