Siemens 3VA9038-0LB10 125A Circuit Breaker | AmpState

The Siemens 3VA9038-0LB10 125A Circuit Breaker is engineered for everyday electrical work, delivering reliable circuit protection in panelboards, load centers, and electrical distribution gear. Built to integrate seamlessly into existing Siemens systems, it helps keep your electrical infrastructure organized and dependable.

Designed for retrofit projects and maintenance planning, this exact part number—3VA9038-0LB10—ensures compatibility and reduces downtime when updating or expanding your distribution panels. By sticking with a consistent part number, you simplify stocking, ordering, and service workflows, so you can keep projects on track without last-minute substitutions.

Why this breaker stands out

• Exact part number for dependable retrofits: The 3VA9038-0LB10 is purpose-built to match Siemens panelboards and load centers, minimizing guesswork during replacements.
• Clear application in distribution systems: Ideal for protecting circuits across panelboards, load centers, and electrical distribution networks.
• 125 A capacity for versatile protection: Supports medium-duty circuits in commercial or industrial settings where reliable shutoff is essential.
• Trusted Siemens quality: Leverages Siemens’ established protection technology and compatibility within Siemens distribution ecosystems.
• Support when you need it: Available from AmpState, with expert help to confirm fit and compatibility—just message us to verify that the part will work in your specific panel.

Who this is ideal for

• Electricians performing panel upgrades, retrofits, or routine maintenance who require a consistent part number for seamless replacements.
• Facilities managers and maintenance teams responsible for ongoing electrical distribution reliability in commercial or light industrial environments.
• Specifiers and project planners who value inventory predictability and fast sourcing for Siemens-compatible breakers.

Use cases and practical benefits

• Retrofit projects where keeping the exact part number avoids compatibility surprises and reconfiguration of existing panel interiors.
• Maintenance cycles that rely on dependable, drop-in replacements to minimize panel downtime.
• New installations within Siemens distribution ecosystems that benefit from standardized protection hardware.

Product details
- Manufacturer: Siemens
- Part Number: 3VA9038-0LB10
- Product Type: Circuit Breaker
- Amperage: 125 A
- Availability: Available from AmpState

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.