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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

  • 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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    Free with $500 Order
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  • 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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    Free with $500 Order
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  • 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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    Free with $500 Order
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  • 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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    Free with $500 Order
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    Free with $500 Order
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  • 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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    Free with $500 Order
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    Free with $500 Order
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  • MA3600 MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 600 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/600A Trip Unit

    Westinghouse

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

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    Free with $500 Order
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    Free with $500 Order
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  • MA3700 MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 700 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/700A Trip Unit

    Westinghouse

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

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    Free with $500 Order
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    Free with $500 Order
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  • MA3800 MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 800 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/800A Trip Unit

    Westinghouse

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

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    Free with $500 Order
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    Free with $500 Order
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  • MA3800 MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 800 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/900A Trip Unit

    Westinghouse

    Product Description MA Frame Style, Molded Case Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 900 Ampere at 40 Degree Celsius, 3 Pol...

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    Free with $500 Order
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  • MAM3600 1500-3000 MAG-ONLY M Frame Style, Molded Case Mining Circuit Breaker, Interchangeable Magnetic Only Trip Unit, 600 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Interrupting Ratings: 42 Kiloampere @ 240VAC, 30 Kiloampere @ 480VAC, 22 Kiloampere @ 600VAC, No Lugs Standard. 1 Year Warranty.

    MAM3600 1500-3000 Mag-Only

    Westinghouse

    Product Description M Frame Style, Molded Case Mining Circuit Breaker, Interchangeable Magnetic Only Trip Unit, 600 Ampere at 40 Degree Celsius, 3...

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    Free with $500 Order
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  • MAM3600 1500-3000 THERMAL-MAG (5685D48G72) M Frame Style, Molded Case Mining Circuit Breaker, Interchangeable Thermal Magnetic Trip Unit, 600 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, No Lugs Standard. 1 Year Warranty.

    MAM3600 1500-3000 Thermal-Mag (5685D48G72)

    Westinghouse

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

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    Free with $500 Order
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  • MAM3600 1500-3000 THERMAL-MAG W/ UVR (2609D60G19) M Frame Style, Molded Case Mining Circuit Breaker, Interchangeable Thermal Magnetic Trip Unit, 600 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, 120v UVR installed, No Lugs Standard. 1 Year Warranty.

    MAM3600 1500-3000 Thermal-Mag w/UVR (2609D60G19)

    Westinghouse

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

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    Free with $500 Order
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  • MAM3600 3000-6000 THERMAL-MAG M Frame Style, Molded Case Mining Circuit Breaker, Interchangeable Thermal Magnetic Trip Unit, 600 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Interrupting Ratings: 42 Kiloampere @ 240VAC, 30 Kiloampere @ 480VAC, 22 Kiloampere @ 600VAC, No Lugs Standard. 1 Year Warranty.

    MAM3600 3000-6000 Thermal-Mag

    Westinghouse

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

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    Free with $500 Order
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  • MAM3600 3000-6000 THERMAL-MAG W/ UVR M Frame Style, Molded Case Mining Circuit Breaker, Interchangeable Thermal Magnetic Trip Unit, 600 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, 120v UVR installed, No Lugs Standard. 1 Year Warranty.

    MAM3600 3000-6000 Thermal-Mag w/UVR

    Westinghouse

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

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    Delivery
    Free with $500 Order
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    Free with $500 Order
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  • MAM3800 1500-3000 MAG-ONLY (2609D60G46) M Frame Style, Molded Case Mining Circuit Breaker, Interchangeable Thermal Magnetic Trip Unit, 800 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, No Lugs Standard. 1 Year Warranty.

    MAM3800 1500-3000 Mag-Only (2609D60G46)

    Westinghouse

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

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    Delivery
    Free with $500 Order
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    Free with $500 Order
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  • MAM3800 1500-3000 MAG-ONLY W/ UVR (2609D60G47) M Frame Style, Molded Case Mining Circuit Breaker, Interchangeable Thermal Magnetic Trip Unit, 800 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, 120v UVR installed, No Lugs Standard. 1 Year Warranty.

    MAM3800 1500-3000 Mag-Only w/UVR (2609D60G47)

    Westinghouse

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

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    Delivery
    Free with $500 Order
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    Free with $500 Order
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  • MAM3800 1500-3000 THERMAL-MAG M Frame Style, Molded Case Mining Circuit Breaker, Interchangeable Thermal Magnetic Trip Unit, 800 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, No Lugs Standard. 1 Year Warranty.

    MAM3800 1500-3000 Thermal-Mag

    Westinghouse

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

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    Delivery
    Free with $500 Order
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    Free with $500 Order
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  • MAM3800 1500-3000 THERMAL-MAG W/ UVR M Frame Style, Molded Case Mining Circuit Breaker, Interchangeable Thermal Magnetic Trip Unit, 800 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, 120v UVR installed, No Lugs Standard. 1 Year Warranty.

    MAM3800 1500-3000 Thermal-Mag w/UVR

    Westinghouse

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

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    Free with $500 Order
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    Free with $500 Order
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  • MAM3800 2000-4000 MAG-ONLY (2609D60G48) M Frame Style, Molded Case Mining Circuit Breaker, Interchangeable Thermal Magnetic Trip Unit, 800 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, No Lugs Standard. 1 Year Warranty.

    MAM3800 2000-4000 Mag-Only (2609D60G48)

    Westinghouse

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

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    Free with $500 Order
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    Free with $500 Order
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  • MAM3800 2000-4000 MAG-ONLY W/ UVR (2609D60G49) M Frame Style, Molded Case Mining Circuit Breaker, Interchangeable Thermal Magnetic Trip Unit, 800 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, 120v UVR installed, No Lugs Standard. 1 Year Warranty.

    MAM3800 2000-4000 Mag-Only w/UVR (2609D60G49)

    Westinghouse

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

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    Delivery
    Free with $500 Order
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    Free with $500 Order
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  • MAM3800 2000-4000 THERMAL-MAG (5685D48G71) M Frame Style, Molded Case Mining Circuit Breaker, Interchangeable Thermal Magnetic Trip Unit, 800 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, No Lugs Standard. 1 Year Warranty.

    MAM3800 2000-4000 Thermal-Mag (5685D48G71)

    Westinghouse

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

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    Free with $500 Order
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    Free with $500 Order
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  • MAM3800 2000-4000 THERMAL-MAG W/ UVR & AUX M Frame Style, Molded Case Mining Circuit Breaker, Interchangeable Thermal Magnetic Trip Unit, 800 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, 120v UVR installed, 1A-1B Auxiliary Installed, No Lugs Standard. 1 Year Warranty.

    MAM3800 2000-4000 Thermal-Mag w/UVR & 2A-2B Auxiliary

    Westinghouse

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

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    Free with $500 Order
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    Free with $500 Order
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  • MAM3800 2000-4000 THERMAL-MAG W/ UVR (2609D60G20) M Frame Style, Molded Case Mining Circuit Breaker, Interchangeable Thermal Magnetic Trip Unit, 800 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, 120v UVR installed, No Lugs Standard. 1 Year Warranty.

    MAM3800 2000-4000 Thermal-Mag w/UVR & Lugs (2609D60G20)

    Westinghouse

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

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    Free with $500 Order
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    Free with $500 Order
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  • MAM3800 2000-4000 THERMAL-MAG W/ UVR (2609D60G20) M Frame Style, Molded Case Mining Circuit Breaker, Interchangeable Thermal Magnetic Trip Unit, 800 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, 120v UVR installed, No Lugs Standard. 1 Year Warranty.

    MAM3800 2000-4000 Thermal-Mag w/UVR (2609D60G20)

    Westinghouse

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

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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