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**Rush Shipping Available**| websales@breakerhunters.com | 877-963-4543
**Rush Shipping Available**| websales@breakerhunters.com | 877-963-4543

MD-Frame

  • MD63B500 MD Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500 Ampere at 40 Degree Celsius, 3 Pole, 240V AC, 480V AC, and 600V AC @ 50/60 HZ, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MD63B500

    Siemens / ITE

    Product Description MD Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500 Ampere at 40 Degree Celsius, 3 Pol...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
    Get it by
  • MD63B600 MD Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 600 Ampere at 40 Degree Celsius, 3 Pole, 240V AC, 480V AC, and 600V AC @ 50/60 HZ, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MD63B600

    Siemens / ITE

    Product Description MD Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 600 Ampere at 40 Degree Celsius, 3 Pol...

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    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • MD63B700 MD Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 700 Ampere at 40 Degree Celsius, 3 Pole, 240V AC, 480V AC, and 600V AC @ 50/60 HZ, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MD63B700

    Siemens / ITE

    Product Description MD Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 700 Ampere at 40 Degree Celsius, 3 Pol...

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    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • MD63B800 MD Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 800 Ampere at 40 Degree Celsius, 3 Pole, 240V AC, 480V AC, and 600V AC @ 50/60 HZ, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MD63B800

    Siemens / ITE

    Product Description MD Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 800 Ampere at 40 Degree Celsius, 3 Pol...

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    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • MXD63B500 MD Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-Interchangeable Trip Unit, 500 Ampere at 40 Degree Celsius, 3 Pole, 240V AC, 480V AC, and 600V AC @ 50/60 HZ, Without Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MXD63B500

    Siemens / ITE

    Product Description MD Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-Interchangeable Trip Unit, 500 Ampere at 40 Degree Celsius, 3...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • MXD63B600 MD Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-Interchangeable Trip Unit, 600 Ampere at 40 Degree Celsius, 3 Pole, 240V AC, 480V AC, and 600V AC @ 50/60 HZ, Without Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MXD63B600

    Siemens / ITE

    Product Description MD Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-Interchangeable Trip Unit, 600 Ampere at 40 Degree Celsius, 3...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • MXD63B700 MD Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-Interchangeable Trip Unit, 700 Ampere at 40 Degree Celsius, 3 Pole, 240V AC, 480V AC, and 600V AC @ 50/60 HZ, Without Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MXD63B700

    Siemens / ITE

    Product Description MD Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-Interchangeable Trip Unit, 700 Ampere at 40 Degree Celsius, 3...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • MXD63B800 MD Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-Interchangeable Trip Unit, 800 Ampere at 40 Degree Celsius, 3 Pole, 240V AC, 480V AC, and 600V AC @ 50/60 HZ, Without Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MXD63B800

    Siemens / ITE

    Product Description MD Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-Interchangeable Trip Unit, 800 Ampere at 40 Degree Celsius, 3...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by

Let customers speak for us

from 147 reviews
Contactors

The staff were very helpful and knowledgeable. They were able to get the right product at the right price.

John Crescenzo
A201KFC
More than satisfied.

Great help and speedy delivery

Robert Haynes
H1028

CN15SN3A

Brian Worley
CN15SN3A

Very professional and helpful! Would definitely do business again!

Jon Casey
HMCP400X5C
Sargent Corp generator breaker

Whoever is in charge of this company should be really proud. Staff was really helpful and accommodating. Breaker Hunters have become my first call when I'm in need of circuit breakers
Thank you
Jeffrey Seeley
Seeley Electric LLC
Otis, Maine

Jeffrey Seeley
PG32500 w/480V Shunt Trip Installed
Absolute heroes

My plant was down and I needed a breaker ASAP after a diligent search we found one. We opted for rush service and our plant was back in operation the next day. Money well spent.

William Pierce
Rush Production Upcharge

509-EOD

brian buchiere
509-EOD

W201K6CF

Todd Peak
W201K6CF

The team at Breaker Hunters was a huge help. They had what I needed in stock and hundreds of dollars cheaper than anywhere else I could find. Would highly recommend them to anyone looking for electrical items!

Scott N.
5250C79G01 (120/110V AC)

Great product.

Dean P.
HMCP250K5C

Very good, and fast delivery

James G.
W200M1CFC

Thanks for the quick turn around on this breaker!

Ken W.
THED136125WL

Thanks, was pleased with service. Called in late in the day with Next Day Air order. They got it out and to my customer with no issues.

Jay B.
20RES10T

Everything was just as ordered, thanks for the help

Frank R.
HMCP100R3C

Good item.
Thank you

Capitol I.
FAL36040