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Free Economy Shipping Available! | Refer to FAQ For Additional Information | websales@breakerhunters.com | 877-963-4543
Free Economy Shipping Available! | Refer to FAQ For Additional Information | websales@breakerhunters.com | 877-963-4543

Square D: Circuit Breakers

Square D Circuit Breakers

  • MH36400 MH (I-Line) Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 400 Ampere at 40 Degree Celsius, 3 Pole, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MH36400

    Square-D

    Product Description MH (I-Line) Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 400 Ampere at 40 Degree ...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • MH36450 in New Surplus and Certified Reconditioned MH (I-Line) Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 450 Ampere at 40 Degree Celsius, 3 Pole, Load End Terminals Standard. 1 Year Warranty.

    MH36450

    Square-D

    Product Description MH (I-Line) Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 450 Ampere at 40 Degree ...

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    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • MH36500 in New Surplus and Certified Reconditioned MH (I-Line) Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 500 Ampere at 40 Degree Celsius, 3 Pole, Load End Terminals Standard. 1 Year Warranty.

    MH36500

    Square-D

    Product Description MH (I-Line) Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 500 Ampere at 40 Degree ...

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    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • MH36600 MH (I-Line) Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 600 Ampere at 40 Degree Celsius, 3 Pole, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MH36600

    Square-D

    Product Description MH (I-Line) Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 600 Ampere at 40 Degree ...

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    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • MH36700 MH (I-Line) Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 700 Ampere at 40 Degree Celsius, 3 Pole, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MH36700

    Square-D

    Product Description MH (I-Line) Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 700 Ampere at 40 Degree ...

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    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • MH36800 in New Surplus and Certified Reconditioned MH (I-Line) Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 800 Ampere at 40 Degree Celsius, 3 Pole, Load End Terminals Standard. 1 Year Warranty.

    MH36800

    Square-D

    Product Description MH (I-Line) Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 800 Ampere at 40 Degree ...

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    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • MHL361000 in New Surplus and Certified Reconditioned MHL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 1000 Ampere at 40 Degree Celsius, 3 Pole, Line and Load End Terminals Standard. 1 Year Warranty.

    MHL361000

    Square-D

    Product Description MHL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 1000 Ampere at 40 Degree Celsius...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
    Get it by
  • MHL3610001426 MHL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 1000 Ampere at 40 Degree Celsius, 3 Pole, with Right Hand 2A-2B Auxilliary Installed, with Left Hand 24VDC Shunt Installed. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MHL3610001426

    Square-D

    Product Description MHL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 1000 Ampere at 40 Degree Celsius...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
    Get it by
  • MHL361000 in New Surplus and Certified Reconditioned MHL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 1000 Ampere at 40 Degree Celsius, 3 Pole, Line and Load End Terminals Standard. 1 Year Warranty.

    MHL361200

    Square-D

    Product Description MHL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 1200 Ampere at 40 Degree Celsius...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • MHL36300 in New Surplus and Certified Reconditioned MHL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 300 Ampere at 40 Degree Celsius, 3 Pole, Line and Load End Terminals Standard. 1 Year Warranty.

    MHL36300

    Square-D

    Product Description MHL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 300 Ampere at 40 Degree Celsius,...

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    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • MHL36350 MHL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 350 Ampere at 40 Degree Celsius, 3 Pole, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MHL36350

    Square-D

    Product Description MHL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 350 Ampere at 40 Degree Celsius,...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • MHL36400 MHL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 400 Ampere at 40 Degree Celsius, 3 Pole, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MHL36400

    Square-D

    Product Description MHL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 400 Ampere at 40 Degree Celsius,...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • MHL36450 MHL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 450 Ampere at 40 Degree Celsius, 3 Pole, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MHL36450

    Square-D

    Product Description MHL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 450 Ampere at 40 Degree Celsius,...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • MHL36500 MHL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 500 Ampere at 40 Degree Celsius, 3 Pole, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MHL36500

    Square-D

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

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    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • MHL36600 MHL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 600 Ampere at 40 Degree Celsius, 3 Pole, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MHL36600

    Square-D

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

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    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • MHL366001352 MHL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 600 Ampere at 40 Degree Celsius, 3 Pole, with 2A-2B Auxilliary Installed, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MHL366001352

    Square-D

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

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
    Get it by
  • MHL366001422 MHL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 600 Ampere at 40 Degree Celsius, 3 Pole, with Right Hand 2A-2B Auxilliary Installed, with Left Hand 120-240VAC Shunt Installed. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MHL366001422

    Square-D

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

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    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • MHL36700 MHL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 700 Ampere at 40 Degree Celsius, 3 Pole, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MHL36700

    Square-D

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

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • MHL36800 MHL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 800 Ampere at 40 Degree Celsius, 3 Pole, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MHL36800

    Square-D

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

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    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • MHL368001595 MHL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 800 Ampere at 40 Degree Celsius, 3 Pole, with Right Hand 2A-2B Auxilliary Installed, with Left Hand 120VAC UVR Installed. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MHL368001595

    Square-D

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

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    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • MHL36900 MHL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 900 Ampere at 40 Degree Celsius, 3 Pole, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MHL36900

    Square-D

    Product Description MHL Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Non-interchangeable Trip Unit, 900 Ampere at 40 Degree Celsius,...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
    Get it by
  • MHP361000 MHP Frame Style, Molded Case Circuit Breaker, Panel Mounted, Thermal Magnetic Non-interchangeable Trip Unit, 1000 Ampere at 40 Degree Celsius, 3 Pole, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MHP361000

    Square-D

    Product Description MHP Frame Style, Molded Case Circuit Breaker, Panel Mounted, Thermal Magnetic Non-interchangeable Trip Unit, 1000 Ampere at 40...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
    Get it by
  • MHP36300 MHP Frame Style, Molded Case Circuit Breaker, Panel Mounted, Thermal Magnetic Non-interchangeable Trip Unit, 300 Ampere at 40 Degree Celsius, 3 Pole, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MHP36300

    Square-D

    Product Description MHP Frame Style, Molded Case Circuit Breaker, Panel Mounted, Thermal Magnetic Non-interchangeable Trip Unit, 300 Ampere at 40 ...

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    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • MHP36350 MHP Frame Style, Molded Case Circuit Breaker, Panel Mounted, Thermal Magnetic Non-interchangeable Trip Unit, 350 Ampere at 40 Degree Celsius, 3 Pole, Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MHP36350

    Square-D

    Product Description MHP Frame Style, Molded Case Circuit Breaker, Panel Mounted, Thermal Magnetic Non-interchangeable Trip Unit, 350 Ampere at 40 ...

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    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by

Let customers speak for us

from 175 reviews

Always a pleasure buying from Breaker Hunters

Jeffrey Seeley
MXD63B800
Great Store

Took them awhile to find an OLD breaker for me but they did come up what I needed. Great service. Highly recommend.

Wayne Nelsen
Q20
Great!!!

My salesperson was very helpful and worked with me nicely to get the Breaker I need and out to me in a really quick fashion. Thanks again!!

John Thyen
NCG31200F w/1000A Rating Plug
Great service

The service was excellent and very fast delivery, highly recommend.

Tim McGregor
W200M2CFC
Excelente Servicio

Muy cumplidores en sus despachos, los productos impecables Muchas Gracias

EximtecSpA att Marie Mayo
V201K5CJZ1

B10.2

Tom Vanderburg
B10.2
Fast and efficient

very fast and efficient

Tim McGregor
NDA Shipping
Great job

I ordered 9 starter switches and they were next day delivery. Installed and worked great. I am in the process of ordering spare ones now. Definitely recommend

Tim McGregor
W200M1CFC
STARTER REPLACEMENT

Had to replace an older starter. Communication with the company was easy and accurate. Customer service worked with me to ensure the order was correct and shipped on time. Highly recommend reaching out with any questions, great company.

ADAM JEFFREY
509-FOD

CHND312T33W

Jonathan Ragland
CHND312T33W

Great service, exactly what I ordered, thanks

Frank Roush
SEDA36AT0060 w/SRPE60A40

QUICK SERVICE, EXCELLENT PRODUCT. CUSTOMER IS VERY HAPPY !

Susan Sandridge
RD316T33WS21

Excellent service very happy with the product

Brent Hickman
LG3450S03

PAF361000

Cindy Miller
PAF361000

QUICK. SMOOTH. AND EASY. THANK YOU

Nationwide Electric Supply Co., Inc.
CHND312T33W