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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: Circuit Breakers

Westinghouse Circuit Breakers

  • HMA3500 HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 500 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, Without Terminals. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMA3500 w/ 480V UVR and Lugs

    Westinghouse

    Product Description HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 500 Ampere at 40 Degree Cels...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • HMA3125 HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 125 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, Without Terminals. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMA3800F w/125A Trip Unit

    Westinghouse

    Product Description HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 125 Ampere at 40 Degree Cels...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • HMA3150 HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 150 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, Without Terminals. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMA3800F w/150A Trip Unit

    Westinghouse

    Product Description HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 150 Ampere at 40 Degree Cels...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • HMA3175 HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 175 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, Without Terminals. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMA3800F w/175A Trip Unit

    Westinghouse

    Product Description HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 175 Ampere at 40 Degree Cels...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • HMA3200 HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 200 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, Without Terminals. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMA3800F w/200A Trip Unit

    Westinghouse

    Product Description HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 200 Ampere at 40 Degree Cels...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
    Get it by
  • HMA3225 HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 225 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, Without Terminals. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMA3800F w/225A Trip Unit

    Westinghouse

    Product Description HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 225 Ampere at 40 Degree Cels...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • HMA3250 HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 250 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, Without Terminals. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMA3800F w/250A Trip Unit

    Westinghouse

    Product Description HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 250 Ampere at 40 Degree Cels...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
    Get it by
  • HMA3300 HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 300 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, Without Terminals. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMA3800F w/300A Trip Unit

    Westinghouse

    Product Description HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 300 Ampere at 40 Degree Cels...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
    Get it by
  • HMA3350 HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 350 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, Without Terminals. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMA3800F w/350A Trip Unit

    Westinghouse

    Product Description HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 350 Ampere at 40 Degree Cels...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
    Get it by
  • HMA3400 HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 400 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, Without Terminals. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMA3800F w/400A Trip Unit

    Westinghouse

    Product Description HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 400 Ampere at 40 Degree Cels...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • HMA3500 HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 500 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, Without Terminals. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMA3800F w/500A Trip Unit

    Westinghouse

    Product Description HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 500 Ampere at 40 Degree Cels...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
    Get it by
  • HMA3600 HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 600 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, Without Terminals. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMA3800F w/600A Trip Unit

    Westinghouse

    Product Description HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 600 Ampere at 40 Degree Cels...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • HMA3700 HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 700 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, Interrupting Ratings: 75 Kiloampere @ 240VAC, 40 Kiloampere @ 480VAC, 30 Kiloampere @ 600VAC, Without Terminals. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMA3800F w/700A Trip Unit

    Westinghouse

    Product Description HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 700 Ampere at 40 Degree Cels...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • HMA3800 HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 800 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, High Interrupting Style, Interrupting Ratings: 75 Kiloampere @ 240VAC, 40 Kiloampere @ 480VAC, 30 Kiloampere @ 600VAC, Without Terminals. New Surplus and Certified Reconditioned with 1 Year Warranty.

    HMA3800F w/800A Trip Unit

    Westinghouse

    Product Description HMA Frame Style, Molded Case Circuit Breaker, Mark 75, Thermal Magnetic Interchangeable Trip Unit, 800 Ampere at 40 Degree Cels...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • MA3125 MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 125 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Interrupting Ratings: 50 Kiloampere @ 240VAC, 35 Kiloampere @ 480VAC, 25 Kiloampere @ 600VAC, Without Terminals. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MA3800F w/125A Trip Unit

    Westinghouse

    Product Description MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 125 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
  • MA3150 MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 150 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Interrupting Ratings: 50 Kiloampere @ 240VAC, 35 Kiloampere @ 480VAC, 25 Kiloampere @ 600VAC, Without Terminals. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MA3800F w/150A Trip Unit

    Westinghouse

    Product Description MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 150 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
  • MA3175 MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 175 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Interrupting Ratings: 50 Kiloampere @ 240VAC, 35 Kiloampere @ 480VAC, 25 Kiloampere @ 600VAC, Without Terminals. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MA3800F w/175A Trip Unit

    Westinghouse

    Product Description MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 175 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
  • MA3200 MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 200 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Interrupting Ratings: 50 Kiloampere @ 240VAC, 35 Kiloampere @ 480VAC, 25 Kiloampere @ 600VAC, Without Terminals. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MA3800F w/200A Trip Unit

    Westinghouse

    Product Description MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 200 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
  • MA3225 MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 225 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Interrupting Ratings: 50 Kiloampere @ 240VAC, 35 Kiloampere @ 480VAC, 25 Kiloampere @ 600VAC, Without Terminals. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MA3800F w/225A Trip Unit

    Westinghouse

    Product Description MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 225 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
  • MA3250 MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 250 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Interrupting Ratings: 50 Kiloampere @ 240VAC, 35 Kiloampere @ 480VAC, 25 Kiloampere @ 600VAC, Without Terminals. New Surplus and Certified Reconditioned with 1 Year …

    MA3800F w/250A Trip Unit

    Westinghouse

    Product Description MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 250 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
  • MA3300 MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 300 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Interrupting Ratings: 50 Kiloampere @ 240VAC, 35 Kiloampere @ 480VAC, 25 Kiloampere @ 600VAC, Without Terminals. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MA3800F w/300A Trip Unit

    Westinghouse

    Product Description MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 300 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
  • MA3350 MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 350 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Interrupting Ratings: 50 Kiloampere @ 240VAC, 35 Kiloampere @ 480VAC, 25 Kiloampere @ 600VAC, Without Terminals. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MA3800F w/350A Trip Unit

    Westinghouse

    Product Description MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 350 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
  • MA3400 MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 400 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Interrupting Ratings: 50 Kiloampere @ 240VAC, 35 Kiloampere @ 480VAC, 25 Kiloampere @ 600VAC, Without Terminals. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MA3800F w/400A Trip Unit

    Westinghouse

    Product Description MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 400 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
  • MA3500 MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Interrupting Ratings: 50 Kiloampere @ 240VAC, 35 Kiloampere @ 480VAC, 25 Kiloampere @ 600VAC, Without Terminals. New Surplus and Certified Reconditioned with 1 Year Warranty.

    MA3800F w/500A Trip Unit

    Westinghouse

    Product Description MA 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
    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