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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

M-Frame Trip Units

M-Frame Trip Units

  • 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.
    Call for Price

    MT3300T

    Eaton / Cutler Hammer

    M-Frame Style Trip Unit Product Description Specs are as follows: Trip Unit, M Frame Style, Thermal-Magnetic, 300 Ampere at 40 Degree Celsius, 3 Po...

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

    MT3350T

    Eaton / Cutler Hammer

    M-Frame Style Trip Unit Product Description Specs are as follows: Trip Unit, M Frame Style, Thermal-Magnetic, 350 Ampere at 40 Degree Celsius, 3 Po...

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

    MT3400T

    Eaton / Cutler Hammer

    M-Frame Style Trip Unit Product Description Specs are as follows: Trip Unit, M Frame Style, Thermal-Magnetic, 400 Ampere at 40 Degree Celsius, 3 Po...

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

    MT3450T

    Eaton / Cutler Hammer

    M-Frame Style Trip Unit Product Description Specs are as follows: Trip Unit, M Frame Style, Thermal-Magnetic, 450 Ampere at 40 Degree Celsius, 3 Po...

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

    MT3500T

    Eaton / Cutler Hammer

    M-Frame Style Trip Unit Product Description Specs are as follows: Trip Unit, M Frame Style, Thermal-Magnetic, 500 Ampere at 40 Degree Celsius, 3 Po...

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

    MT3600T

    Eaton / Cutler Hammer

    M-Frame Style Trip Unit Product Description Specs are as follows: Trip Unit, M Frame Style, Thermal-Magnetic, 600 Ampere at 40 Degree Celsius, 3 Po...

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

    MT3700T

    Eaton / Cutler Hammer

    M-Frame Style Trip Unit Product Description Specs are as follows: Trip Unit, M Frame Style, Thermal-Magnetic, 700 Ampere at 40 Degree Celsius, 3 Po...

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

    MT3800T

    Eaton / Cutler Hammer

    M-Frame Style Trip Unit Product Description Specs are as follows: Trip Unit, M Frame Style, Thermal-Magnetic, 800 Ampere at 40 Degree Celsius, 3 Po...

    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 171 reviews
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 Air
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
Recent Order

Received Breaker quick and works great. We will do business together

Edwin Mishoe
AN16DN0A w/extra auxiliary
Great Service - Saved a ton of money!

Refurbished breaker, shipped quickly, worked perfectly, saved over $2,000 over the cost of a new breaker!

Robert Stadelman
KG3400S42
All Good

Win, win, win. you made money, I made money, and my client was elated to find the item.

Thanks

leftover electric
FD3225KLS05