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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

Westinghouse: MC Frame Circuit Breakers

Westinghouse MC-Frame Circuit Breakers

  • HMCGA3400 HMCGA Frame Style, Molded Case Circuit Breaker, Mark 75, LSIG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMCGA3800F w/800A Rating Plug

    Westinghouse

    Product Description HMCGA Frame Style, Molded Case Circuit Breaker, Mark 75, LSIG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ,...

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    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • MC3400 MC Frame Style, Molded Case Circuit Breaker, LS Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Without Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MC3800F w/400A Rating Plug

    Westinghouse

    Product Description MC Frame Style, Molded Case Circuit Breaker, LS Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrup...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • MC3500 MC Frame Style, Molded Case Circuit Breaker, LS Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 500 Amp Rating Plug, Without Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MC3800F w/500A Rating Plug

    Westinghouse

    Product Description MC Frame Style, Molded Case Circuit Breaker, LS Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrup...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • MC3600 MC Frame Style, Molded Case Circuit Breaker, LS Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 600 Amp Rating Plug, Without Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MC3800F w/600A Rating Plug

    Westinghouse

    Product Description MC Frame Style, Molded Case Circuit Breaker, LS Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrup...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • MC3700 MC Frame Style, Molded Case Circuit Breaker, LS Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 700 Amp Rating Plug, Without Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MC3800F w/700A Rating Plug

    Westinghouse

    Product Description MC Frame Style, Molded Case Circuit Breaker, LS Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrup...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
    Get it by
  • MC3800 MC Frame Style, Molded Case Circuit Breaker, LS Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 800 Amp Rating Plug, Without Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MC3800F w/800A Rating Plug

    Westinghouse

    Product Description MC Frame Style, Molded Case Circuit Breaker, LS Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrup...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • MC3400M MC Frame Style, Molded Case Circuit Breaker, Magnetic Only Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, Interrupting Ratings: 42 Kiloampere @ 240VAC, 30 Kiloampere @ 480VAC, 22 Kiloampere @ 600VAC, with 400 Amp Rating Plug, Without Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MC3800FM w/400A Rating Plug

    Westinghouse

    Product Description MC Frame Style, Molded Case Circuit Breaker, Magnetic Only Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, Interr...

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    Delivery
    Free with $500 Order
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    Free with $500 Order
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  • MC3500M MC Frame Style, Molded Case Circuit Breaker, Magnetic Only Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, Interrupting Ratings: 42 Kiloampere @ 240VAC, 30 Kiloampere @ 480VAC, 22 Kiloampere @ 600VAC, with 500 Amp Rating Plug, Without Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MC3800FM w/500A Rating Plug

    Westinghouse

    Product Description MC Frame Style, Molded Case Circuit Breaker, Magnetic Only Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, Interr...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • MC3600M MC Frame Style, Molded Case Circuit Breaker, Magnetic Only Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, Interrupting Ratings: 42 Kiloampere @ 240VAC, 30 Kiloampere @ 480VAC, 22 Kiloampere @ 600VAC, with 600 Amp Rating Plug, Without Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MC3800FM w/600A Rating Plug

    Westinghouse

    Product Description MC Frame Style, Molded Case Circuit Breaker, Magnetic Only Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, Interr...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • MC3700M MC Frame Style, Molded Case Circuit Breaker, Magnetic Only Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, Interrupting Ratings: 42 Kiloampere @ 240VAC, 30 Kiloampere @ 480VAC, 22 Kiloampere @ 600VAC, with 700 Amp Rating Plug, Without Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MC3800FM w/700A Rating Plug

    Westinghouse

    Product Description MC Frame Style, Molded Case Circuit Breaker, Magnetic Only Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, Interr...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • MC3800M MC Frame Style, Molded Case Circuit Breaker, Magnetic Only Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, Interrupting Ratings: 42 Kiloampere @ 240VAC, 30 Kiloampere @ 480VAC, 22 Kiloampere @ 600VAC, with 800 Amp Rating Plug, Without Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MC3800FM w/800A Rating Plug

    Westinghouse

    Product Description MC Frame Style, Molded Case Circuit Breaker, Magnetic Only Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, Interr...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • MCA3400 MCA Frame Style, Molded Case Circuit Breaker, LSI Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Without Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MCA3800F w/400A Rating Plug

    Westinghouse

    Product Description MCA Frame Style, Molded Case Circuit Breaker, LSI Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interr...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • MCA3500 MCA Frame Style, Molded Case Circuit Breaker, LSI Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 500 Amp Rating Plug, Without Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MCA3800F w/500A Rating Plug

    Westinghouse

    Product Description MCA Frame Style, Molded Case Circuit Breaker, LSI Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interr...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
    Get it by
  • MCA3600 MCA Frame Style, Molded Case Circuit Breaker, LSI Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 600 Amp Rating Plug, Without Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MCA3800F w/600A Rating Plug

    Westinghouse

    Product Description MCA Frame Style, Molded Case Circuit Breaker, LSI Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interr...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • MCA3700 MCA Frame Style, Molded Case Circuit Breaker, LSI Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 700 Amp Rating Plug, Without Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MCA3800F w/700A Rating Plug

    Westinghouse

    Product Description MCA Frame Style, Molded Case Circuit Breaker, LSI Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interr...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • MCA3800 MCA Frame Style, Molded Case Circuit Breaker, LSI Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 800 Amp Rating Plug, Without Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MCA3800F w/800A Rating Plug

    Westinghouse

    Product Description MCA Frame Style, Molded Case Circuit Breaker, LSI Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interr...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
    Get it by
  • MCG3400 MCG Frame Style, Molded Case Circuit Breaker, LSG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MCG3800F w/400A Rating Plug

    Westinghouse

    Product Description MCG Frame Style, Molded Case Circuit Breaker, LSG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interr...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • MCG3500 MCG Frame Style, Molded Case Circuit Breaker, LSG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 500 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MCG3800F w/500A Rating Plug

    Westinghouse

    Product Description MCG Frame Style, Molded Case Circuit Breaker, LSG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interr...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • MCG3600 MCG Frame Style, Molded Case Circuit Breaker, LSG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 600 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MCG3800F w/600A Rating Plug

    Westinghouse

    Product Description MCG Frame Style, Molded Case Circuit Breaker, LSG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interr...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • MCG3700 MCG Frame Style, Molded Case Circuit Breaker, LSG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, Interrupting Ratings: 42 Kiloampere @ 240VAC, 30 Kiloampere @ 480VAC, 22 Kiloampere @ 600VAC, with 700 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MCG3800F w/700A Rating Plug

    Westinghouse

    Product Description MCG Frame Style, Molded Case Circuit Breaker, LSG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interr...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • MCG3800 MCG Frame Style, Molded Case Circuit Breaker, LSG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 800 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MCG3800F w/800A Rating Plug

    Westinghouse

    Product Description MCG Frame Style, Molded Case Circuit Breaker, LSG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interr...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • MCGA3400 MCGA Frame Style, Molded Case Circuit Breaker, LSIG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MCGA3800F w/400A Rating Plug

    Westinghouse

    Product Description MCGA Frame Style, Molded Case Circuit Breaker, LSIG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Inte...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • MCGA3400 MCGA Frame Style, Molded Case Circuit Breaker, LSIG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MCGA3800F w/500A Rating Plug

    Westinghouse

    Product Description MCGA Frame Style, Molded Case Circuit Breaker, LSIG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Inte...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
    Get it by
  • MCGA3400 MCGA Frame Style, Molded Case Circuit Breaker, LSIG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, with 400 Amp Rating Plug, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MCGA3800F w/600A Rating Plug

    Westinghouse

    Product Description MCGA Frame Style, Molded Case Circuit Breaker, LSIG Function Non-Interchangeable Trip Unit, 3 Pole, 600VAC @ 50/60HZ, High Inte...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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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