Siemens MBKFD3 250A Circuit Breaker | AmpState

Introducing the Siemens MBKFD3 250 A circuit breaker, built for everyday electrical protection in panelboards, load centers, and distribution networks. When a direct part-number match matters, this MBKFD3 model provides precise fit and reliable performance, and AmpState makes it easy to source exactly what you need.

Why the MBKFD3 250 A stands out

• Exact Siemens MBKFD3 compatibility for straightforward, downtime-minimizing replacements.
• 250 A amperage rating to guard heavy feeders in commercial and industrial electrical distributions.
• Designed for use in panelboards, load centers, and distribution panels, ensuring consistent circuit protection across your systems.
• Ideal for maintenance teams, panel builders, and spare-inventory stock where a precise part-number match is essential.
• Support from AmpState to help confirm fit and compatibility with your specific panel model—no guesswork.

Practical use cases

• Replacing worn or damaged breakers in existing Siemens panelboards to restore full protection quickly.
• Maintaining an organized spare inventory for field service vehicles, reducing on-site delays.
• Projects or upgrades that require a precise 250 A MBKFD3 rating to meet project specs and electrical codes.
• Applications in facilities with substantial feeder loads where robust 250 A protection is essential.

Specifications at a glance

• Manufacturer: Siemens
• Part Number: MBKFD3
• Product Type: Circuit Breaker
• Amperage: 250 A
• Availability: AmpState

Compatibility matters. If you’re unsure whether the MBKFD3 is the right fit for your panelboard or load center, message us and we’ll help you confirm the correct part and ensure seamless installation. This is a targeted, reliable solution for teams that value exact part-number matching and ready-to-ship availability.