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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

  • KEM3150TM Trip Unit, K Frame Style, Electronic, Instantaneous Only, 150 Ampere at 40 Degree Celsius, 3 Pole, 50-800 Amp Trip Rating, For Use in Molded Case Circuit Breakers With Optional Interchangeable Trip Units. 1 Year Warranty. Hard to find customization options.
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    KEM3150TM

    Eaton / Cutler Hammer

    Product Description Trip Unit, K Frame Style, Electronic, Instantaneous Only, 150 Ampere at 40 Degree Celsius, 3 Pole, 50-800 Amp Trip Rating, For...

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    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • KEM3225T Trip Unit, K Frame Style, Electronic, Long/Instantaneous, 225 Ampere at 40 Degree Celsius, 3 Pole, 200-1500 Amp Trip Rating, For Use in Molded Case Circuit Breakers With Optional Interchangeable Trip Units. 1 Year Warranty. Hard to find customization options.
    Call for Price

    KEM3225T

    Eaton / Cutler Hammer

    Product Description Trip Unit, K Frame Style, Electronic, Long/Instantaneous, 225 Ampere at 40 Degree Celsius, 3 Pole, 200-1500 Amp Trip Rating, ...

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    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • KEM3225T2 Trip Unit, K Frame Style, Electronic, Long/Instantaneous, 225 Ampere at 40 Degree Celsius, 3 Pole, 500-2500 Amp Trip Rating, For Use in Molded Case Circuit Breakers With Optional Interchangeable Trip Units. 1 Year Warranty. Hard to find customization options.
    Call for Price

    KEM3225T2

    Eaton / Cutler Hammer

    Product Description Trip Unit, K Frame Style, Electronic, Long/Instantaneous, 225 Ampere at 40 Degree Celsius, 3 Pole, 500-2500 Amp Trip Rating, F...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • KEM3225TM Trip Unit, K Frame Style, Electronic, Instantaneous Only, 225 Ampere at 40 Degree Celsius, 3 Pole, 200-1500 Amp Trip Rating, For Use in Molded Case Circuit Breakers With Optional Interchangeable Trip Units. 1 Year Warranty. Hard to find customization options.
    Call for Price

    KEM3225TM

    Eaton / Cutler Hammer

    Product Description Trip Unit, K Frame Style, Electronic, Instantaneous Only, 225 Ampere at 40 Degree Celsius, 3 Pole, 200-1500 Amp Trip Rating, ...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • KEM3225TM2 Trip Unit, K Frame Style, Electronic, Instantaneous Only, 225 Ampere at 40 Degree Celsius, 3 Pole, 500-2500 Amp Trip Rating, For Use in Molded Case Circuit Breakers With Optional Interchangeable Trip Units. 1 Year Warranty. Hard to find customization options.
    Call for Price

    KEM3225TM2

    Eaton / Cutler Hammer

    Product Description Trip Unit, K Frame Style, Electronic, Instantaneous Only, 225 Ampere at 40 Degree Celsius, 3 Pole, 500-2500 Amp Trip Rating, F...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • KEM3400T Trip Unit, K Frame Style, Electronic, Long/Instantaneous, 400 Ampere at 40 Degree Celsius, 3 Pole, 200-1500 Amp Trip Rating, For Use in Molded Case Circuit Breakers With Optional Interchangeable Trip Units. New Surplus and Certified Reconditioned with 1 Year Warranty.
    Call for Price

    KEM3400T

    Eaton / Cutler Hammer

    Product Description Trip Unit, K Frame Style, Electronic, Long/Instantaneous, 400 Ampere at 40 Degree Celsius, 3 Pole, 200-1500 Amp Trip Rating, F...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • KEM3400T2 Trip Unit, K Frame Style, Electronic, Long/Instantaneous, 400 Ampere at 40 Degree Celsius, 3 Pole, 500-2500 Amp Trip Rating, For Use in Molded Case Circuit Breakers With Optional Interchangeable Trip Units. 1 Year Warranty.
    Call for Price

    KEM3400T2

    Eaton / Cutler Hammer

    Product Description Trip Unit, K Frame Style, Electronic, Long/Instantaneous, 400 Ampere at 40 Degree Celsius, 3 Pole, 500-2500 Amp Trip Rating, F...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • KEM3400TM Trip Unit, K Frame Style, Electronic, Instantaneous Only, 400 Ampere at 40 Degree Celsius, 3 Pole, 200-1500 Amp Trip Rating, For Use in Molded Case Circuit Breakers With Optional Interchangeable Trip Units. 1 Year Warranty.
    Call for Price

    KEM3400TM

    Eaton / Cutler Hammer

    Product Description Trip Unit, K Frame Style, Electronic, Instantaneous Only, 400 Ampere at 40 Degree Celsius, 3 Pole, 200-1500 Amp Trip Rating, F...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • KEM3400TM2 Trip Unit, K Frame Style, Electronic, Instantaneous Only, 400 Ampere at 40 Degree Celsius, 3 Pole, 500-2500 Amp Trip Rating, For Use in Molded Case Circuit Breakers With Optional Interchangeable Trip Units. 1 Year Warranty.
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    KEM3400TM2

    Eaton / Cutler Hammer

    Product Description Trip Unit, K Frame Style, Electronic, Instantaneous Only, 400 Ampere at 40 Degree Celsius, 3 Pole, 500-2500 Amp Trip Rating, F...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • KES3125LS Trip Unit, K Frame Style, Electronic Digitrip RMS 310, 125 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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    KES3125LS

    Eaton / Cutler Hammer

    Product Description Trip Unit, K Frame Style, Electronic Digitrip RMS 310, 125 Ampere Max at 40 Degree Celsius, 3 Pole, Electronic Trip Adjustmen...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • KES3125LSG Trip Unit, K Frame Style, Electronic Digitrip RMS 310, 125 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.
    Call for Price

    KES3125LSG

    Eaton / Cutler Hammer

    Product Description Trip Unit, K Frame Style, Electronic Digitrip RMS 310, 125 Ampere Max at 40 Degree Celsius, 3 Pole, Electronic Trip Adjustmen...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • KES3125LSI Trip Unit, K Frame Style, Electronic Digitrip RMS 310, 125 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.
    Call for Price

    KES3125LSI

    Eaton / Cutler Hammer

    Product Description Trip Unit, K Frame Style, Electronic Digitrip RMS 310, 125 Ampere Max at 40 Degree Celsius, 3 Pole, Electronic Trip Adjustmen...

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    Delivery
    Free with $500 Order
    Get it by
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    Delivery
    Free with $500 Order
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  • KES3125LSIG Trip Unit, K Frame Style, Electronic Digitrip RMS 310, 125 Ampere Max at 40 Degree Celsius, 3 Pole, Electronic Trip Adjustment at 2-8 Times Continuous Ampere Rating. New Surplus and Certified Reconditioned with 1 Year Warranty.
    Call for Price

    KES3125LSIG

    Eaton / Cutler Hammer

    Product Description Trip Unit, K Frame Style, Electronic Digitrip RMS 310, 125 Ampere Max at 40 Degree Celsius, 3 Pole, Electronic Trip Adjustmen...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Call for Price
    Delivery
    Free with $500 Order
    Get it by
  • KES3250LS Trip Unit, K Frame Style, Electronic Digitrip RMS 310, 250 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.
    Call for Price

    KES3250LS

    Eaton / Cutler Hammer

    Product Description Trip Unit, K Frame Style, Electronic Digitrip RMS 310, 250 Ampere Max at 40 Degree Celsius, 3 Pole, Electronic Trip Adjustment...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Call for Price
    Delivery
    Free with $500 Order
    Get it by
  • KES3250LSG Trip Unit, K Frame Style, Electronic Digitrip RMS 310, 250 Ampere Max at 40 Degree Celsius, 3 Pole, Electronic Trip Adjustment at 2-8 Times Continuous Ampere Rating. New Surplus and Certified Reconditioned with 1 Year Warranty.
    Call for Price

    KES3250LSG

    Eaton / Cutler Hammer

    Product Description Trip Unit, K Frame Style, Electronic Digitrip RMS 310, 250 Ampere Max at 40 Degree Celsius, 3 Pole, Electronic Trip Adjustmen...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Call for Price
    Delivery
    Free with $500 Order
    Get it by
  • KES3250LSI Trip Unit, K Frame Style, Electronic Digitrip RMS 310, 250 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.
    Call for Price

    KES3250LSI

    Eaton / Cutler Hammer

    Product Description Trip Unit, K Frame Style, Electronic Digitrip RMS 310, 250 Ampere Max at 40 Degree Celsius, 3 Pole, Electronic Trip Adjustment...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Call for Price
    Delivery
    Free with $500 Order
    Get it by
  • KES3250LS Trip Unit, K Frame Style, Electronic Digitrip RMS 310, 250 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.
    Call for Price

    KES3250LSIG

    Eaton / Cutler Hammer

    Product Description Trip Unit, K Frame Style, Electronic Digitrip RMS 310, 250 Ampere Max at 40 Degree Celsius, 3 Pole, Electronic Trip Adjustment...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Call for Price
    Delivery
    Free with $500 Order
    Get it by
  • KES3400LS Trip Unit, K Frame Style, Electronic Digitrip RMS 310, 400 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.
    Call for Price

    KES3400LS

    Eaton / Cutler Hammer

    Product Description Trip Unit, K Frame Style, Electronic Digitrip RMS 310, 400 Ampere Max at 40 Degree Celsius, 3 Pole, Electronic Trip Adjustmen...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Call for Price
    Delivery
    Free with $500 Order
    Get it by
  • KES3400LSG Trip Unit, K Frame Style, Electronic Digitrip RMS 310, 400 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.
    Call for Price

    KES3400LSG

    Eaton / Cutler Hammer

    Product Description Trip Unit, K Frame Style, Electronic Digitrip RMS 310, 400 Ampere Max at 40 Degree Celsius, 3 Pole, Electronic Trip Adjustmen...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Call for Price
    Delivery
    Free with $500 Order
    Get it by
  • KES3400LSI Trip Unit, K Frame Style, Electronic Digitrip RMS 310, 400 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.
    Call for Price

    KES3400LSI

    Eaton / Cutler Hammer

    Product Description Trip Unit, K Frame Style, Electronic Digitrip RMS 310, 400 Ampere Max at 40 Degree Celsius, 3 Pole, Electronic Trip Adjustme...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Call for Price
    Delivery
    Free with $500 Order
    Get it by
  • KES3400LS Trip Unit, K Frame Style, Electronic Digitrip RMS 310, 400 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.
    Call for Price

    KES3400LSIG

    Eaton / Cutler Hammer

    Product Description Trip Unit, K Frame Style, Electronic Digitrip RMS 310, 400 Ampere Max at 40 Degree Celsius, 3 Pole, Electronic Trip Adjustmen...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Call for Price
    Delivery
    Free with $500 Order
    Get it by
  • KT3100T Trip Unit, K Frame Style, Thermal-Magnetic, 100 Ampere at 40 Degree Celsius, 3Pole, 600VAC, Magnetic Trip Adjustment at 5-10 Times Continuous Ampere Rating. New Surplus and Certified Reconditioned with 1 Year Warranty.
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    KT3100T

    Eaton / Cutler Hammer

    K-Frame Trip Unit This product image represents a base model and is for identification purposes only. Are you purchasing accessories and your break...

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    Delivery
    Free with $500 Order
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    Delivery
    Free with $500 Order
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  • KT3125T Trip Unit, K Frame Style, Thermal-Magnetic, 125 Ampere at 40 Degree Celsius, 3Pole, 600VAC, Magnetic Trip Adjustment at 5-10 Times Continuous Ampere Rating. New Surplus and Certified Reconditioned with 1 Year Warranty.
    Call for Price

    KT3125T

    Eaton / Cutler Hammer

    K-Frame Trip Unit This product image represents a base model and is for identification purposes only. Are you purchasing accessories and your break...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Call for Price
    Delivery
    Free with $500 Order
    Get it by
  • KT3150T Trip Unit, K Frame Style, Thermal-Magnetic, 150 Ampere at 40 Degree Celsius, 3Pole, 600VAC, Magnetic Trip Adjustment at 5-10 Times Continuous Ampere Rating. New Surplus and Certified Reconditioned with 1 Year Warranty.
    Call for Price

    KT3150T

    Eaton / Cutler Hammer

    K-Frame Trip Unit This product image represents a base model and is for identification purposes only. Are you purchasing accessories and your break...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Call for Price
    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