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**Free Economy Shipping** on all orders over $500!! | sales@breakerhunters.com | 877-963-4543
**Free Economy Shipping** on all orders over $500!! | sales@breakerhunters.com | 877-963-4543

Eaton / Cutler-Hammer: Circuit Breaker Parts and Accessories

  • 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.

    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.

    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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  • 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.

    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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  • 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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  • 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.

    MT3300T

    Eaton / Cutler Hammer

    M-Frame Style Trip Unit Look under Parts & Accessories or follow the links below to order accessories used to create additional configurations ...

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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.

    MT3350T

    Eaton / Cutler Hammer

    M-Frame Style Trip Unit Look under Parts & Accessories or follow the links below to order accessories used to create additional configurations ...

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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.

    MT3400T

    Eaton / Cutler Hammer

    M-Frame Style Trip Unit Look under Parts & Accessories or follow the links below to order accessories used to create additional configurations ...

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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.

    MT3450T

    Eaton / Cutler Hammer

    M-Frame Style Trip Unit Look under Parts & Accessories or follow the links below to order accessories used to create additional configurations ...

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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.

    MT3500T

    Eaton / Cutler Hammer

    M-Frame Style Trip Unit Look under Parts & Accessories or follow the links below to order accessories used to create additional configurations ...

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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.

    MT3600T

    Eaton / Cutler Hammer

    M-Frame Style Trip Unit Look under Parts & Accessories or follow the links below to order accessories used to create additional configurations ...

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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.

    MT3700T

    Eaton / Cutler Hammer

    M-Frame Style Trip Unit Look under Parts & Accessories or follow the links below to order accessories used to create additional configurations ...

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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.

    MT3800T

    Eaton / Cutler Hammer

    M-Frame Style Trip Unit Look under Parts & Accessories or follow the links below to order accessories used to create additional configurations ...

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  • SNT4LP03K
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    SNT4LP03K

    Eaton / Cutler Hammer

    L-Frame or M-Frame Style Shunt Trip Look under Parts & Accessories or follow the links below to order accessories used to create additional con...

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  • SNT4LP05K

    SNT4LP05K

    Eaton / Cutler Hammer

    L-Frame or M-Frame Style Shunt Trip Look under Parts & Accessories or follow the links below to order accessories used to create additional con...

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  • SNT4LP11K

    SNT4LP11K

    Eaton / Cutler Hammer

    L-Frame or M-Frame Style Shunt Trip Look under Parts & Accessories or follow the links below to order accessories used to create additional con...

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  • SNT4LP18K
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    SNT4LP18K

    Eaton / Cutler Hammer

    L-Frame or M-Frame Style Shunt Trip Look under Parts & Accessories or follow the links below to order accessories used to create additional con...

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  • SNT4LP26K
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    SNT4LP26K

    Eaton / Cutler Hammer

    L-Frame or M-Frame Style Shunt Trip Look under Parts & Accessories or follow the links below to order accessories used to create additional con...

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  • SNT4RP03K
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    SNT4RP03K

    Eaton / Cutler Hammer

    L-Frame or M-Frame Style Shunt Trip Look under Parts & Accessories or follow the links below to order accessories used to create additional con...

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    Call for Price
  • SNT4RP05K

    SNT4RP05K

    Eaton / Cutler Hammer

    L-Frame or M-Frame Style Shunt Trip Look under Parts & Accessories or follow the links below to order accessories used to create additional con...

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  • SNT4RP11K
    Call for Price

    SNT4RP11K

    Eaton / Cutler Hammer

    L-Frame or M-Frame Style Shunt Trip Look under Parts & Accessories or follow the links below to order accessories used to create additional con...

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    Call for Price
  • SNT4RP18K
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    SNT4RP18K

    Eaton / Cutler Hammer

    L-Frame or M-Frame Style Shunt Trip Look under Parts & Accessories or follow the links below to order accessories used to create additional con...

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  • UVH4LP03K
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    UVH4LP03K

    Eaton / Cutler Hammer

    L and M-Frame Style Undervoltage Release Mechanism (UVR) Look under Parts & Accessories or follow the links below to order accessories used to ...

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  • UVH4LP08K
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    UVH4LP08K

    Eaton / Cutler Hammer

    L and M-Frame Style Undervoltage Release Mechanism (UVR) Look under Parts & Accessories or follow the links below to order accessories used to ...

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  • UVH4LP11K
    Call for Price

    UVH4LP11K

    Eaton / Cutler Hammer

    L and M-Frame Style Undervoltage Release Mechanism (UVR) Look under Parts & Accessories or follow the links below to order accessories used to ...

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    Call for Price