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Contactor

Our Electrical Contactor collection delivers dependable motor switching and power control solutions for industrial automation, control panels, and OEM equipment. Designed to safely switch electrical loads on and off, contactors are a critical component for controlling motors, lighting, heating circuits, and other high-current applications in industrial and commercial environments.

These electrical contactors feature robust mechanical designs, clearly labeled terminals, and reliable coil operation for consistent performance in demanding conditions. Available in multiple frame sizes, coil voltages, and amperage ratings, our contactors support a wide range of motor horsepower and system requirements while integrating seamlessly with overload relays and motor starters.

  • Altech MT-63/3K-8 Overload Relay - Frame Size 65AF
    $147.94 - $147.94
    $147.94
    $147.94 - $147.94
    $147.94

    Altech MT-63/3K-8 Overload Relay - Frame Size 65AF

    Altech
    In stock

    MT-63/3K-8 Overload Relay Class 10A, Differential Typical Frame size 65AF Specifications Part Number MT-63/3K-8 MC Series Overload Relay Setti...

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    $147.94 - $147.94
    $147.94
    $147.94 - $147.94
    $147.94
  • Altech MT-63/3K-9 Overload Relay - Frame Size 65AF
    $147.94 - $147.94
    $147.94
    $147.94 - $147.94
    $147.94

    Altech MT-63/3K-9 Overload Relay - Frame Size 65AF

    Altech
    In stock

    MT-63/3K-9 Overload Relay Class 10A, Differential Typical Frame size 65AF Specifications Part Number MT-63/3K-9 MC Series Overload Relay Setti...

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    $147.94 - $147.94
    $147.94
    $147.94 - $147.94
    $147.94
  • Altech MT-800/3K-330 Overload Relay - Frame Size 800AF
    $1,713.45 - $1,713.45
    $1,713.45
    $1,713.45 - $1,713.45
    $1,713.45

    Altech MT-800/3K-330 Overload Relay - Frame Size 800AF

    Altech
    In stock

    MT-800/3K-330 Overload Relay Class 10A, Differential Typical Frame size 800AF Specifications Part Number MT-800/3K-330 MC Series Overload Rel...

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    $1,713.45 - $1,713.45
    $1,713.45
    $1,713.45 - $1,713.45
    $1,713.45
  • Altech MT-800/3K-400 Overload Relay - Frame Size 800AF
    $1,713.45 - $1,713.45
    $1,713.45
    $1,713.45 - $1,713.45
    $1,713.45

    Altech MT-800/3K-400 Overload Relay - Frame Size 800AF

    Altech
    In stock

    MT-800/3K-400 Overload Relay Class 10A, Differential Typical Frame size 800AF Specifications Part Number MT-800/3K-400 MC Series Overload Rel...

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    $1,713.45 - $1,713.45
    $1,713.45
    $1,713.45 - $1,713.45
    $1,713.45
  • Altech MT-800/3K-630 Overload Relay - Frame Size 800AF
    $1,713.45 - $1,713.45
    $1,713.45
    $1,713.45 - $1,713.45
    $1,713.45

    Altech MT-800/3K-630 Overload Relay - Frame Size 800AF

    Altech
    In stock

    MT-800/3K-630 Overload Relay Class 10A, Differential Typical Frame size 800AF Specifications Part Number MT-800/3K-630 MC Series Overload Rel...

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    $1,713.45 - $1,713.45
    $1,713.45
    $1,713.45 - $1,713.45
    $1,713.45
  • Altech MT-800/3K-800 Overload Relay - Frame Size 800AF
    $1,713.45 - $1,713.45
    $1,713.45
    $1,713.45 - $1,713.45
    $1,713.45

    Altech MT-800/3K-800 Overload Relay - Frame Size 800AF

    Altech
    In stock

    MT-800/3K-800 Overload Relay Class 10A, Differential Typical Frame size 800AF Specifications Part Number MT-800/3K-800 MC Series Overload Rel...

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    $1,713.45 - $1,713.45
    $1,713.45
    $1,713.45 - $1,713.45
    $1,713.45
  • Altech MT-95/3K-10 Overload Relay - Frame Size 100AF
    $218.76 - $218.76
    $218.76
    $218.76 - $218.76
    $218.76

    Altech MT-95/3K-10 Overload Relay - Frame Size 100AF

    Altech
    In stock

    MT-95/3K-10 Overload Relay Class 10A, Differential Typical Frame size 100AF Specifications Part Number MT-95/3K-10 MC Series Overload Relay Se...

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    $218.76 - $218.76
    $218.76
    $218.76 - $218.76
    $218.76
  • Altech MT-95/3K-100 Overload Relay - Frame Size 100AF
    $218.76 - $218.76
    $218.76
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    $218.76

    Altech MT-95/3K-100 Overload Relay - Frame Size 100AF

    Altech
    In stock

    MT-95/3K-100 Overload Relay Class 10A, Differential Typical Frame size 100AF Specifications Part Number MT-95/3K-100 MC Series Overload Relay ...

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    $218.76 - $218.76
    $218.76
    $218.76 - $218.76
    $218.76
  • Altech MT-95/3K-13 Overload Relay - Frame Size 100AF
    $218.76 - $218.76
    $218.76
    $218.76 - $218.76
    $218.76

    Altech MT-95/3K-13 Overload Relay - Frame Size 100AF

    Altech
    In stock

    MT-95/3K-13 Overload Relay Class 10A, Differential Typical Frame size 100AF Specifications Part Number MT-95/3K-13 MC Series Overload Relay Se...

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    $218.76 - $218.76
    $218.76
    $218.76 - $218.76
    $218.76
  • Altech MT-95/3K-18 Overload Relay - Frame Size 100AF
    $218.76 - $218.76
    $218.76
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    $218.76

    Altech MT-95/3K-18 Overload Relay - Frame Size 100AF

    Altech
    In stock

    MT-95/3K-18 Overload Relay Class 10A, Differential Typical Frame size 100AF Specifications Part Number MT-95/3K-18 MC Series Overload Relay Se...

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    $218.76 - $218.76
    $218.76
    $218.76 - $218.76
    $218.76
  • Altech MT-95/3K-22 Overload Relay - Frame Size 100AF
    $218.76 - $218.76
    $218.76
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    $218.76

    Altech MT-95/3K-22 Overload Relay - Frame Size 100AF

    Altech
    In stock

    MT-95/3K-22 Overload Relay Class 10A, Differential Typical Frame size 100AF Specifications Part Number MT-95/3K-22 MC Series Overload Relay Se...

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    $218.76 - $218.76
    $218.76
    $218.76 - $218.76
    $218.76
  • Altech MT-95/3K-25 Overload Relay - Frame Size 100AF
    $218.76 - $218.76
    $218.76
    $218.76 - $218.76
    $218.76

    Altech MT-95/3K-25 Overload Relay - Frame Size 100AF

    Altech
    In stock

    MT-95/3K-25 Overload Relay Class 10A, Differential Typical Frame size 100AF Specifications Part Number MT-95/3K-25 MC Series Overload Relay Se...

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    $218.76 - $218.76
    $218.76
    $218.76 - $218.76
    $218.76
  • Altech MT-95/3K-36 Overload Relay - Frame Size 100AF
    $218.76 - $218.76
    $218.76
    $218.76 - $218.76
    $218.76

    Altech MT-95/3K-36 Overload Relay - Frame Size 100AF

    Altech
    In stock

    MT-95/3K-36 Overload Relay Class 10A, Differential Typical Frame size 100AF Specifications Part Number MT-95/3K-36 MC Series Overload Relay Se...

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    $218.76 - $218.76
    $218.76
    $218.76 - $218.76
    $218.76
  • Altech MT-95/3K-40 Overload Relay - Frame Size 100AF
    $218.76 - $218.76
    $218.76
    $218.76 - $218.76
    $218.76

    Altech MT-95/3K-40 Overload Relay - Frame Size 100AF

    Altech
    In stock

    MT-95/3K-40 Overload Relay Class 10A, Differential Typical Frame size 100AF Specifications Part Number MT-95/3K-40 MC Series Overload Relay Se...

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    $218.76 - $218.76
    $218.76
    $218.76 - $218.76
    $218.76
  • Altech MT-95/3K-50 Overload Relay - Frame Size 150AF
    $218.76 - $218.76
    $218.76
    $218.76 - $218.76
    $218.76

    Altech MT-95/3K-50 Overload Relay - Frame Size 150AF

    Altech
    In stock

    MT-95/3K-50 Overload Relay Class 10A, Differential Typical Frame size 150AF Specifications Part Number MT-95/3K-50 MC Series Overload Relay Se...

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    $218.76 - $218.76
    $218.76
    $218.76 - $218.76
    $218.76
  • Altech MT-95/3K-65 Overload Relay - Frame Size 150AF
    $218.76 - $218.76
    $218.76
    $218.76 - $218.76
    $218.76

    Altech MT-95/3K-65 Overload Relay - Frame Size 150AF

    Altech
    In stock

    MT-95/3K-65 Overload Relay Class 10A, Differential Typical Frame size 150AF Specifications Part Number MT-95/3K-65 MC Series Overload Relay Se...

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    $218.76 - $218.76
    $218.76
    $218.76 - $218.76
    $218.76
  • Altech MT-95/3K-75 Overload Relay - Frame Size 150AF
    $218.76 - $218.76
    $218.76
    $218.76 - $218.76
    $218.76

    Altech MT-95/3K-75 Overload Relay - Frame Size 150AF

    Altech
    In stock

    MT-95/3K-75 Overload Relay Class 10A, Differential Typical Frame size 150AF Specifications Part Number MT-95/3K-75 MC Series Overload Relay Se...

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    $218.76 - $218.76
    $218.76
    $218.76 - $218.76
    $218.76
  • Altech MT-95/3K-85 Overload Relay - Frame Size 150AF
    $218.76 - $218.76
    $218.76
    $218.76 - $218.76
    $218.76

    Altech MT-95/3K-85 Overload Relay - Frame Size 150AF

    Altech
    In stock

    MT-95/3K-85 Overload Relay Class 10A, Differential Typical Frame size 150AF Specifications Part Number MT-95/3K-85 MC Series Overload Relay Se...

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    $218.76 - $218.76
    $218.76
    $218.76 - $218.76
    $218.76
  • Altech MT-95/3K-95 Overload Relay - Frame Size 100AF
    $218.76 - $218.76
    $218.76
    $218.76 - $218.76
    $218.76

    Altech MT-95/3K-95 Overload Relay - Frame Size 100AF

    Altech
    In stock

    MT-95/3K-95 Overload Relay Class 10A, Differential Typical Frame size 100AF Specifications Part Number MT-95/3K-95 MC Series Overload Relay Se...

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    $218.76 - $218.76
    $218.76
    $218.76 - $218.76
    $218.76
  • Altech UA-1-11 MC Overload Relay - Auxiliary Contacts
    $16.98 - $16.98
    $16.98
    $16.98 - $16.98
    $16.98

    Altech UA-1-11 MC Overload Relay - Auxiliary Contacts

    Altech
    In stock

    UA-1-11 MC Overload Relay - Auxiliary Contacts For Frame Sizes 22AF - 150AF Side Mount 1NO/1NC Specifications Part Number UA-1-11 MC Series O...

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    $16.98 - $16.98
    $16.98
    $16.98 - $16.98
    $16.98
  • Altech UA-2-02 MC Overload Relay - Auxiliary Contacts
    $13.18 - $13.18
    $13.18
    $13.18 - $13.18
    $13.18

    Altech UA-2-02 MC Overload Relay - Auxiliary Contacts

    Altech
    In stock

    UA-2-02 MC Overload Relay - Auxiliary Contacts For Frame Sizes 22AF - 150AF 2NC Specifications Part Number UA-2-02 MC Series Overload Accesso...

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    $13.18 - $13.18
    $13.18
    $13.18 - $13.18
    $13.18
  • Altech UA-2-11 MC Overload Relay - Auxiliary Contacts
    $17.62 - $17.62
    $17.62
    $17.62 - $17.62
    $17.62

    Altech UA-2-11 MC Overload Relay - Auxiliary Contacts

    Altech
    In stock

    UA-2-11 MC Overload Relay - Auxiliary Contacts For Frame Sizes 22AF - 150AF 1NO/1NC Specifications Part Number UA-2-11 MC Series Overload Acc...

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    $17.62 - $17.62
    $17.62
    $17.62 - $17.62
    $17.62
  • Altech UA-4-22 MC Overload Relay - Auxiliary Contacts
    $35.63 - $35.63
    $35.63
    $35.63 - $35.63
    $35.63

    Altech UA-4-22 MC Overload Relay - Auxiliary Contacts

    Altech
    In stock

    UA-4-22 MC Overload Relay - Auxiliary Contacts For Frame Sizes 22AF - 150AF 2NO/2NC Specifications Part Number UA-4-22 MC Series Overload Acc...

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    $35.63 - $35.63
    $35.63
    $35.63 - $35.63
    $35.63
  • Altech UA-4-31 MC Overload Relay - Auxiliary Contacts
    $35.63 - $35.63
    $35.63
    $35.63 - $35.63
    $35.63

    Altech UA-4-31 MC Overload Relay - Auxiliary Contacts

    Altech
    In stock

    UA-4-31 MC Overload Relay - Auxiliary Contacts For Frame Sizes 22AF - 150AF 3NO/3NC Specifications Part Number UA-4-31 MC Series Overload Acc...

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    $35.63 - $35.63
    $35.63
    $35.63 - $35.63
    $35.63

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