Skip to content
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

Eaton / Cutler-Hammer

Eaton / Cutler-Hammer Full Collection

  • KG3300S42 KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 300 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    KG3300S42

    Eaton / Cutler Hammer

    Product Description KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 300 Am...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • KG3300S42Z01 KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 300 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Line and Load End Terminals Standard. S42 Option Includes: [12-24V DC Shunt Trip, Left Pole Mounted, Exiting Rear]. New Surplus and Certified Reconditioned with 1 Year Warranty.

    KG3300S42Z01

    Eaton / Cutler Hammer

    Product Description KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 300 Am...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • KG3300S43 KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 300 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    KG3300S43

    Eaton / Cutler Hammer

    Product Description KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 300 Am...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • KG3300S46 KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 300 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    KG3300S46

    Eaton / Cutler Hammer

    Product Description KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 300 Am...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • KG3300S47 KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 300 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    KG3300S47

    Eaton / Cutler Hammer

    Product Description KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 300 Am...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • KG3350 KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 350 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    KG3350

    Eaton / Cutler Hammer

    Product Description KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 350 Am...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • KG3350A06S42 KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 350 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    KG3350A06S42

    Eaton / Cutler Hammer

    Product Description KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 350 Am...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • KG3350A06S43 KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 350 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    KG3350A06S43

    Eaton / Cutler Hammer

    Product Description KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 350 Am...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • KG3350S42 KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 350 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    KG3350S42

    Eaton / Cutler Hammer

    Product Description KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 350 Am...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • KG3350S43 KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 350 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    KG3350S43

    Eaton / Cutler Hammer

    Product Description KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 350 Am...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • KG3350S46 KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 350 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    KG3350S46

    Eaton / Cutler Hammer

    Product Description KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 350 Am...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • KG3350S47 KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 350 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    KG3350S47

    Eaton / Cutler Hammer

    Product Description KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 350 Am...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • KG3350WA12S43Z04 KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 350 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    KG3350WA12S43Z04

    Eaton / Cutler Hammer

    Product Description KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 500-1000 Trip Range, 350 Am...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • KG3400 KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 1000-2000 Trip Range, 400 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Line and Load End Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    KG3400

    Eaton / Cutler Hammer

    Product Description KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 1000-2000 Trip Range, 400 A...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • KG3400A06S42 KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 1000-2000 Trip Range, 400 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ. New Surplus and Certified Reconditioned with 1 Year Warranty.

    KG3400A06S42

    Eaton / Cutler Hammer

    Product Description KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 1000-2000 Trip Range, 400 A...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • KG3400A06S43 KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 1000-2000 Trip Range, 400 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ. New Surplus and Certified Reconditioned with 1 Year Warranty.

    KG3400A06S43

    Eaton / Cutler Hammer

    Product Description KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 1000-2000 Trip Range, 400 A...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • KG3400S42 KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 1000-2000 Trip Range, 400 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ. New Surplus and Certified Reconditioned with 1 Year Warranty.

    KG3400S42

    Eaton / Cutler Hammer

    Product Description KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 1000-2000 Trip Range, 400 A...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • KG3400S43 KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 1000-2000 Trip Range, 400 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ. New Surplus and Certified Reconditioned with 1 Year Warranty.

    KG3400S43

    Eaton / Cutler Hammer

    Product Description KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 1000-2000 Trip Range, 400 A...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • KG3400S46 KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 1000-2000 Trip Range, 400 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Right Pole Mounted Shunt Trip 12-24V AC/DC. New Surplus and Certified Reconditioned with 1 Year Warranty.

    KG3400S46

    Eaton / Cutler Hammer

    Product Description KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 1000-2000 Trip Range, 400 A...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • KG3400S47 KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 1000-2000 Trip Range, 400 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ. New Surplus and Certified Reconditioned with 1 Year Warranty.

    KG3400S47

    Eaton / Cutler Hammer

    Product Description KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 1000-2000 Trip Range, 400 A...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • KG3400W KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 1000-2000 Trip Range, 400 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Without Terminals Standard. New Surplus and Certified Reconditioned with 1 Year Warranty.

    KG3400W

    Eaton / Cutler Hammer

    Product Description KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 1000-2000 Trip Range, 400 A...

    View full details
    Delivery
    Free with $500 Order
    Get it by
    Delivery
    Free with $500 Order
    Get it by
  • KG3400WS42 KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 1000-2000 Trip Range, 400 Ampere at 40 Degree Celsius, 3 Pole, 600VAC @ 50/60HZ, Left Pole Mounted Shunt Trip 12-24V AC/DC. New Surplus and Certified Reconditioned with 1 Year Warranty.

    KG3400WS42

    Eaton / Cutler Hammer

    Product Description KG Frame Style, Molded Case Generator Circuit Breaker, Thermal Magnetic Interchangeable Trip Unit, 1000-2000 Trip Range, 400 A...

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

    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...

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

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