MBKFD3A - Siemens 250 Amp 600 Volt Circuit Breaker Mounting Kit

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MBKFD3A - Siemens 250 Amp 600 Volt Circuit Breaker Mounting Kit

Main or subfeed breaker mounting kit for revised P1 interiors. Suitable for circuit breaker type (FD6 - FXD6 - HFD6 - HFXD6) in 3-Phase systems. Rated (250A max). Includes all mounting hardware. Does not include breaker. Not suitable for use with Original P1 panels produced before January 2015.

  • Manufacturer: Siemens
  • Type: MBKFD
  • Family: Sentron Series
  • Panel Type P1


  • 600 Volt
  • Amperage Max: 250
  • Configuration: Main
  • Metal Type Aluminum
  • Breaker Type FXD, FD, HFD

Free Shipping Policy

FREE Shipping on orders over $49.

Simply Breakers offers one to five day delivery. The variation depends on the warehouse location for the product(s).

1-Year Warranty

All products carry a 1-year warranty from Simply Breakers. All of our breakers are authentic and factory new.

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You may return items within 30 days of delivery for a refund.

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In rare circumstances, Simply Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

Customer Reviews

Based on 4 reviews
Thank you!

I would just like to say that the experience of my recent purchase was flawless. From the ordering process to the package tracking ability, to the quick delivery, everything went smoothly and without a hitch!

Thank you!

highly recommended

great price, great communication, highly recommend!

Very good price!

Very good price and outstanding service/communication, I will recommend and shop there again!

Thank you Tara!

Great company!! I needed this breaker and couldn't find it anywhere. I talked to Tara on a Wednesday evening and she found one for me that night and had it delivered to my house the next day. Great customer service! Thank you Tara!

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