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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

Parts & Accessories: Circuit Breakers

Parts & Accessories for Circuit Breakers

  • MES3800LS Trip Unit, M Frame Style, Electronic Digitrip RMS 310, 800 Ampere Max at 40 Degree Celsius, 3 Pole, Electronic Trip Adjustment at 2-8 Times Continuous Ampere Rating, For Use in Molded Case Circuit Breakers With Optional Interchangeable Trip Units. New Surplus and Certified Reconditioned with 1 Year Warranty.
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    MES3800LS

    Eaton / Cutler Hammer

    ATTENTION: This unit requires a rating plug in order to function. Please choose and add a rating plug to your cart before placing your order to ens...

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  • MES3800LSG Trip Unit, M Frame Style, Electronic Digitrip RMS 310, 800 Ampere Max at 40 Degree Celsius, 3 Pole, Electronic Trip Adjustment at 2-8 Times Continuous Ampere Rating, For Use in Molded Case Circuit Breakers With Optional Interchangeable Trip Units. New Surplus and Certified Reconditioned with 1 Year Warranty.
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    MES3800LSG

    Eaton / Cutler Hammer

    ATTENTION: This unit requires a rating plug in order to function. Please choose and add a rating plug to your cart before placing your order to ens...

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    Free with $500 Order
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    Free with $500 Order
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  • MES3800LSI Trip Unit, M Frame Style, Electronic Digitrip RMS 310, 800 Ampere Max at 40 Degree Celsius, 3 Pole, Electronic Trip Adjustment at 2-8 Times Continuous Ampere Rating, For Use in Molded Case Circuit Breakers With Optional Interchangeable Trip Units. New Surplus and Certified Reconditioned with 1 Year Warranty.
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    MES3800LSI

    Eaton / Cutler Hammer

    ATTENTION: This unit requires a rating plug in order to function. Please choose and add a rating plug to your cart before placing your order to ens...

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    Free with $500 Order
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    Free with $500 Order
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  • MES3800LSIG Trip Unit, M Frame Style, Electronic Digitrip RMS 310, 800 Ampere Max at 40 Degree Celsius, 3 Pole, Electronic Trip Adjustment at 2-8 Times Continuous Ampere Rating, For Use in Molded Case Circuit Breakers With Optional Interchangeable Trip Units. New Surplus and Certified Reconditioned with 1 Year Warranty

    MES3800LSIG

    Eaton / Cutler Hammer

    ATTENTION: This unit requires a rating plug in order to function. Please choose and add a rating plug to your cart before placing your order to ens...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • MT3300T Trip Unit, M Frame Style, Thermal-Magnetic, 300 Ampere at 40 Degree Celsius, 3 Pole, Magnetic Trip Adjustment at 5-10 Times Continuous Ampere Rating, For Use in Molded Case Circuit Breakers With Optional Interchangeable Trip Units. New Surplus and Certified Reconditioned with 1 Year Warranty.
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    MT3300T

    Eaton / Cutler Hammer

    M-Frame Style Trip Unit Product Description Trip Unit, M Frame Style, Thermal-Magnetic, 300 Ampere at 40 Degree Celsius, 3 Pole, Magnetic Trip Adj...

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    Free with $500 Order
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    Free with $500 Order
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  • MT3350T Trip Unit, M Frame Style, Thermal-Magnetic, 350 Ampere at 40 Degree Celsius, 3 Pole, Magnetic Trip Adjustment at 5-10 Times Continuous Ampere Rating, For Use in Molded Case Circuit Breakers With Optional Interchangeable Trip Units. New Surplus and Certified Reconditioned with 1 Year Warranty.
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    MT3350T

    Eaton / Cutler Hammer

    M-Frame Style Trip Unit Product Description Trip Unit, M Frame Style, Thermal-Magnetic, 350 Ampere at 40 Degree Celsius, 3 Pole, Magnetic Trip Adj...

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    Free with $500 Order
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  • MT3400T Trip Unit, M Frame Style, Thermal-Magnetic, 400 Ampere at 40 Degree Celsius, 3 Pole, Magnetic Trip Adjustment at 5-10 Times Continuous Ampere Rating, For Use in Molded Case Circuit Breakers With Optional Interchangeable Trip Units. New Surplus and Certified Reconditioned with 1 Year Warranty.
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    MT3400T

    Eaton / Cutler Hammer

    M-Frame Style Trip Unit Product Description Trip Unit, M Frame Style, Thermal-Magnetic, 400 Ampere at 40 Degree Celsius, 3 Pole, Magnetic Trip Adj...

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    Free with $500 Order
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  • MT3450T Trip Unit, M Frame Style, Thermal-Magnetic, 450 Ampere at 40 Degree Celsius, 3 Pole, Magnetic Trip Adjustment at 5-10 Times Continuous Ampere Rating, For Use in Molded Case Circuit Breakers With Optional Interchangeable Trip Units. New Surplus and Certified Reconditioned with 1 Year Warranty.
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    MT3450T

    Eaton / Cutler Hammer

    M-Frame Style Trip Unit Product Description Trip Unit, M Frame Style, Thermal-Magnetic, 450 Ampere at 40 Degree Celsius, 3 Pole, Magnetic Trip Adj...

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  • MT3500T Trip Unit, M Frame Style, Thermal-Magnetic, 500 Ampere at 40 Degree Celsius, 3 Pole, Magnetic Trip Adjustment at 5-10 Times Continuous Ampere Rating, For Use in Molded Case Circuit Breakers With Optional Interchangeable Trip Units. New Surplus and Certified Reconditioned with 1 Year Warranty.
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    MT3500T

    Eaton / Cutler Hammer

    M-Frame Style Trip Unit Product Description Trip Unit, M Frame Style, Thermal-Magnetic, 500 Ampere at 40 Degree Celsius, 3 Pole, Magnetic Trip Adj...

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  • MT3600T Trip Unit, M Frame Style, Thermal-Magnetic, 600 Ampere at 40 Degree Celsius, 3 Pole, Magnetic Trip Adjustment at 5-10 Times Continuous Ampere Rating, For Use in Molded Case Circuit Breakers With Optional Interchangeable Trip Units. New Surplus and Certified Reconditioned with 1 Year Warranty.
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    MT3600T

    Eaton / Cutler Hammer

    M-Frame Style Trip Unit Product Description Trip Unit, M Frame Style, Thermal-Magnetic, 600 Ampere at 40 Degree Celsius, 3 Pole, Magnetic Trip Adj...

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    Free with $500 Order
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  • MT3700T Trip Unit, M Frame Style, Thermal-Magnetic, 700 Ampere at 40 Degree Celsius, 3 Pole, Magnetic Trip Adjustment at 4-8 Times Continuous Ampere Rating, For Use in Molded Case Circuit Breakers With Optional Interchangeable Trip Units. New Surplus and Certified Reconditioned with 1 Year Warranty.
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    MT3700T

    Eaton / Cutler Hammer

    M-Frame Style Trip Unit Product Description Trip Unit, M Frame Style, Thermal-Magnetic, 700 Ampere at 40 Degree Celsius, 3 Pole, Magnetic Trip Adj...

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    Free with $500 Order
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    Free with $500 Order
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  • MT3800T Trip Unit, M Frame Style, Thermal-Magnetic, 800 Ampere at 40 Degree Celsius, 3 Pole, Magnetic Trip Adjustment at 4-8 Times Continuous Ampere Rating, For Use in Molded Case Circuit Breakers With Optional Interchangeable Trip Units. New Surplus and Certified Reconditioned with 1 Year Warranty.
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    MT3800T

    Eaton / Cutler Hammer

    M-Frame Style Trip Unit Product Description Trip Unit, M Frame Style, Thermal-Magnetic, 800 Ampere at 40 Degree Celsius, 3 Pole, Magnetic Trip Adj...

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    Free with $500 Order
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    Free with $500 Order
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  • PB31000T Trip Unit, PB Frame Style, Thermal-Magnetic, 1000 Ampere at 40 Degree Celsius, 3 Pole, 600VAC. New Surplus and Certified Reconditioned with 1 Year Warranty.
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    PB31000T

    Westinghouse

    Product Description Trip Unit, PB Frame Style, Thermal-Magnetic, 1000 Ampere at 40 Degree Celsius, 3 Pole, 600VAC This product image represents a ...

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    Free with $500 Order
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  • PB31200T Trip Unit, PB Frame Style, Thermal-Magnetic, 1200 Ampere at 40 Degree Celsius, 3 Pole, 600VAC. New Surplus and Certified Reconditioned with 1 Year Warranty.
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    PB31200T

    Westinghouse

    Product Description Trip Unit, PB Frame Style, Thermal-Magnetic, 1200 Ampere at 40 Degree Celsius, 3 Pole, 600VAC This product image represents a ...

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  • PB31400T Trip Unit, PB Frame Style, Thermal-Magnetic, 1400 Ampere at 40 Degree Celsius, 3 Pole, 600VAC. New Surplus and Certified Reconditioned with 1 Year Warranty.
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    PB31400T

    Westinghouse

    Product Description Trip Unit, PB Frame Style, Thermal-Magnetic, 1400 Ampere at 40 Degree Celsius, 3 Pole, 600VAC Look under Parts & Accessori...

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  • PB31600T Trip Unit, PB Frame Style, Thermal-Magnetic, 1600 Ampere at 40 Degree Celsius, 3 Pole, 600VAC. New Surplus and Certified Reconditioned with 1 Year Warranty.
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    PB31600T

    Westinghouse

    Product Description Trip Unit, PB Frame Style, Thermal-Magnetic, 1600 Ampere at 40 Degree Celsius, 3 Pole, 600VAC This product image represents a ...

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    Free with $500 Order
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    Free with $500 Order
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  • PB31800T Trip Unit, PB Frame Style, Thermal-Magnetic, 1800 Ampere at 40 Degree Celsius, 3 Pole, 600VAC. New Surplus and Certified Reconditioned with 1 Year Warranty.
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    PB31800T

    Westinghouse

    Product Description Trip Unit, PB Frame Style, Thermal-Magnetic, 1800 Ampere at 40 Degree Celsius, 3 Pole, 600VAC This product image represents a ...

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    Free with $500 Order
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    Free with $500 Order
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  • PB32000T Trip Unit, PB Frame Style, Thermal-Magnetic, 2000 Ampere at 40 Degree Celsius, 3 Pole, 600VAC. New Surplus and Certified Reconditioned with 1 Year Warranty.
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    PB32000T

    Westinghouse

    Product Description Trip Unit, PB Frame Style, Thermal-Magnetic, 2000 Ampere at 40 Degree Celsius, 3 Pole, 600VAC This product image represents a ...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • PB32500T Trip Unit, PB Frame Style, Thermal-Magnetic, 2500 Ampere at 40 Degree Celsius, 3 Pole, 600VAC. New Surplus and Certified Reconditioned with 1 Year Warranty.

    PB32500T

    Westinghouse

    Product Description Trip Unit, PB Frame Style, Thermal-Magnetic, 2500 Ampere at 40 Degree Celsius, 3 Pole, 600VAC This product image represents a ...

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    Free with $500 Order
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    Free with $500 Order
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  • PB31600T Trip Unit, PB Frame Style, Thermal-Magnetic, 600 Ampere at 40 Degree Celsius, 3 Pole, 600VAC. New Surplus and Certified Reconditioned with 1 Year Warranty.
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    PB3600T

    Westinghouse

    Product Description Trip Unit, PB Frame Style, Thermal-Magnetic, 600 Ampere at 40 Degree Celsius, 3 Pole, 600VAC This product image represents a b...

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    Free with $500 Order
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  • PB3700T Trip Unit, PB Frame Style, Thermal-Magnetic, 700 Ampere at 40 Degree Celsius, 3 Pole, 600VAC. New Surplus and Certified Reconditioned with 1 Year Warranty.
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    PB3700T

    Westinghouse

    Product Description Trip Unit, PB Frame Style, Thermal-Magnetic, 700 Ampere at 40 Degree Celsius, 3 Pole, 600VAC This product image represents a b...

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    Delivery
    Free with $500 Order
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    Free with $500 Order
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  • PB3800T Trip Unit, PB Frame Style, Thermal-Magnetic, 800 Ampere at 40 Degree Celsius, 3 Pole, 600VAC. New Surplus and Certified Reconditioned with 1 Year Warranty.
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    PB3800T

    Westinghouse

    Product Description Trip Unit, PB Frame Style, Thermal-Magnetic, 800 Ampere at 40 Degree Celsius, 3 Pole, 600VAC This product image represents a b...

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    Free with $500 Order
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    Free with $500 Order
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  • PB3900 Trip Unit, PB Frame Style, Thermal-Magnetic, 900 Ampere at 40 Degree Celsius, 3 Pole, 600VAC. New Surplus and Certified Reconditioned with 1 Year Warranty.
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    PB3900T

    Westinghouse

    Product Description Trip Unit, PB Frame Style, Thermal-Magnetic, 900 Ampere at 40 Degree Celsius, 3 Pole, 600VAC This product image represents a b...

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    Free with $500 Order
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  • SAST1 Shunt Trip, Field Mounted, Pigtail Lead Connection, Dual Voltage Rated: 120V AC @ 50/60HZ or 125V DC. New Surplus and Certified Reconditioned with 1 Year Warranty.
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    SAST1

    General Electric GE

    Product Description Shunt Trip, Field Mounted, Pigtail Lead Connection, Dual Voltage Rated: 120V AC @ 50/60HZ or 125V DC This product image repres...

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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