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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 MC-9B-AC24V MC Series Contactors - 3 Pole 22AF Frame AC
    $44.32 - $44.32
    $44.32
    $44.32 - $44.32
    $44.32

    Altech MC-9B-AC24V MC Series Contactors - 3 Pole 22AF Frame AC

    Altech
    In stock

    MC-9B-AC24V MC Series Contactors - 22AF FrameFeatures 8 Frame sizes 1/2 HP up to 600HP m@ 480V AC Screw terminals (Lug Terminals Available) Optiona...

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    $44.32 - $44.32
    $44.32
    $44.32 - $44.32
    $44.32
  • Altech MC-9B-AC480V MC Series Contactors - 3 Pole 22AF Frame AC
    $44.32 - $44.32
    $44.32
    $44.32 - $44.32
    $44.32

    Altech MC-9B-AC480V MC Series Contactors - 3 Pole 22AF Frame AC

    Altech
    In stock

    MC-9B-AC480V MC Series Contactors - 22AF FrameStandards and Certifications UL508 IEC 60947-2 &60947-2 CSA C22.2 No. 14 Features 8 Frame sizes 1...

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    $44.32 - $44.32
    $44.32
    $44.32 - $44.32
    $44.32
  • Altech MC-9B-DC12V MC Series Contactors - 3 Pole 22AF Frame DC
    $60.13 - $60.13
    $60.13
    $60.13 - $60.13
    $60.13

    Altech MC-9B-DC12V MC Series Contactors - 3 Pole 22AF Frame DC

    Altech
    In stock

    MC-9B-DC12V MC Series Contactors - 22AF FrameStandards and Certifications UL508 IEC 60947-2 &60947-2 CSA C22.2 No. 14 Features 8 Frame sizes 1/...

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    $60.13 - $60.13
    $60.13
    $60.13 - $60.13
    $60.13
  • Altech MC-9B-DC24V MC Series Contactors - 3 Pole 22AF Frame DC
    $60.13 - $60.13
    $60.13
    $60.13 - $60.13
    $60.13

    Altech MC-9B-DC24V MC Series Contactors - 3 Pole 22AF Frame DC

    Altech
    In stock

    MC-9B-DC24V MC Series Contactors - 22AF FrameStandards and Certifications UL508 IEC 60947-2 &60947-2 CSA C22.2 No. 14 Features 8 Frame sizes 1/...

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    $60.13 - $60.13
    $60.13
    $60.13 - $60.13
    $60.13
  • Altech MT-150/3K-105 Overload Relay - Frame Size 225AF
    $334.18 - $334.18
    $334.18
    $334.18 - $334.18
    $334.18

    Altech MT-150/3K-105 Overload Relay - Frame Size 225AF

    Altech
    In stock

    MT-150/3K-105 Overload Relay Class 10A, Differential Typical Frame size 225AF Specifications Part Number MT-150/3K-105 MC Series Overload Rela...

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    $334.18 - $334.18
    $334.18
    $334.18 - $334.18
    $334.18
  • Altech MT-150/3K-130 Overload Relay - Frame Size 150AF
    $334.18 - $334.18
    $334.18
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    $334.18

    Altech MT-150/3K-130 Overload Relay - Frame Size 150AF

    Altech
    In stock

    MT-150/3K-130 Overload Relay Class 10A, Differential Typical Frame size 150AF Specifications Part Number MT-150/3K-130 MC Series Overload Rela...

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    $334.18 - $334.18
    $334.18
    $334.18 - $334.18
    $334.18
  • Altech MT-150/3K-150 Overload Relay - Frame Size 150AF
    $334.18 - $334.18
    $334.18
    $334.18 - $334.18
    $334.18

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

    Altech
    In stock

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

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    $334.18 - $334.18
    $334.18
    $334.18 - $334.18
    $334.18
  • Altech MT-150/3K-50 Overload Relay - Frame Size 225AF
    $334.18 - $334.18
    $334.18
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    $334.18

    Altech MT-150/3K-50 Overload Relay - Frame Size 225AF

    Altech
    In stock

    MT-150/3K-50 Overload Relay Class 10A, Differential Typical Frame size 225AF Specifications Part Number MT-150/3K-50 MC Series Overload Relay ...

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    $334.18 - $334.18
    $334.18
    $334.18 - $334.18
    $334.18
  • Altech MT-150/3K-65 Overload Relay - Frame Size 225AF
    $334.18 - $334.18
    $334.18
    $334.18 - $334.18
    $334.18

    Altech MT-150/3K-65 Overload Relay - Frame Size 225AF

    Altech
    In stock

    MT-150/3K-65 Overload Relay Class 10A, Differential Typical Frame size 225AF Specifications Part Number MT-150/3K-65 MC Series Overload Relay ...

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    $334.18 - $334.18
    $334.18
    $334.18 - $334.18
    $334.18
  • Altech MT-150/3K-75 Overload Relay - Frame Size 225AF
    $334.18 - $334.18
    $334.18
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    $334.18

    Altech MT-150/3K-75 Overload Relay - Frame Size 225AF

    Altech
    In stock

    MT-150/3K-75 Overload Relay Class 10A, Differential Typical Frame size 225AF Specifications Part Number MT-150/3K-75 MC Series Overload Relay ...

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    $334.18 - $334.18
    $334.18
    $334.18 - $334.18
    $334.18
  • Altech MT-150/3K-85 Overload Relay - Frame Size 225AF
    $334.18 - $334.18
    $334.18
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    $334.18

    Altech MT-150/3K-85 Overload Relay - Frame Size 225AF

    Altech
    In stock

    MT-150/3K-85 Overload Relay Class 10A, Differential Typical Frame size 225AF Specifications Part Number MT-150/3K-85 MC Series Overload Relay ...

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    $334.18 - $334.18
    $334.18
    $334.18 - $334.18
    $334.18
  • Altech MT-225/3K-100 Overload Relay - Frame Size 400AF
    $486.11 - $486.11
    $486.11
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    $486.11

    Altech MT-225/3K-100 Overload Relay - Frame Size 400AF

    Altech
    In stock

    MT-225/3K-100 Overload Relay Class 10A, Differential Typical Frame size 400AF Specifications Part Number MT-225/3K-100 MC Series Overload Rela...

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    $486.11 - $486.11
    $486.11
    $486.11 - $486.11
    $486.11
  • Altech MT-225/3K-125 Overload Relay - Frame Size 400AF
    $486.11 - $486.11
    $486.11
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    $486.11

    Altech MT-225/3K-125 Overload Relay - Frame Size 400AF

    Altech
    In stock

    MT-225/3K-125 Overload Relay Class 10A, Differential Typical Frame size 400AF Specifications Part Number MT-225/3K-125 MC Series Overload Rela...

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    $486.11 - $486.11
    $486.11
    $486.11 - $486.11
    $486.11
  • Altech MT-225/3K-160 Overload Relay - Frame Size 400AF
    $486.11 - $486.11
    $486.11
    $486.11 - $486.11
    $486.11

    Altech MT-225/3K-160 Overload Relay - Frame Size 400AF

    Altech
    In stock

    MT-225/3K-160 Overload Relay Class 10A, Differential Typical Frame size 400AF Specifications Part Number MT-225/3K-160 MC Series Overload Rela...

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    $486.11 - $486.11
    $486.11
    $486.11 - $486.11
    $486.11
  • Altech MT-225/3K-185 Overload Relay - Frame Size 400AF
    $486.11 - $486.11
    $486.11
    $486.11 - $486.11
    $486.11

    Altech MT-225/3K-185 Overload Relay - Frame Size 400AF

    Altech
    In stock

    MT-225/3K-185 Overload Relay Class 10A, Differential Typical Frame size 400AF Specifications Part Number MT-225/3K-185 MC Series Overload Rela...

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    $486.11 - $486.11
    $486.11
    $486.11 - $486.11
    $486.11
  • Altech MT-225/3K-240 Overload Relay - Frame Size 225AF
    $486.11 - $486.11
    $486.11
    $486.11 - $486.11
    $486.11

    Altech MT-225/3K-240 Overload Relay - Frame Size 225AF

    Altech
    In stock

    MT-225/3K-240 Overload Relay Class 10A, Differential Typical Frame size 225AF Specifications Part Number MT-225/3K-240 MC Series Overload Rela...

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    $486.11 - $486.11
    $486.11
    $486.11 - $486.11
    $486.11
  • Altech MT-32/3K-0.16 Overload Relay - Frame Size 22AF & 40AF
    $85.03 - $85.03
    $85.03
    $85.03 - $85.03
    $85.03

    Altech MT-32/3K-0.16 Overload Relay - Frame Size 22AF & 40AF

    Altech
    In stock

    MT-32/3K-0.16 Overload Relay Class 10A, Differential Typical Frame size 22AF Specifications Part Number MT-32/3K-0.16 MC Series Overload Relay...

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    $85.03 - $85.03
    $85.03
    $85.03 - $85.03
    $85.03
  • Altech MT-32/3K-0.25 Overload Relay - Frame Size 22AF & 40AF
    $85.03 - $85.03
    $85.03
    $85.03 - $85.03
    $85.03

    Altech MT-32/3K-0.25 Overload Relay - Frame Size 22AF & 40AF

    Altech
    In stock

    MT-32/3K-0.25 Overload Relay Class 10A, Differential Typical Frame size 22AF Specifications Part Number MT-32/3K-0.25 MC Series Overload Relay...

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    $85.03 - $85.03
    $85.03
    $85.03 - $85.03
    $85.03
  • Altech MT-32/3K-0.4 Overload Relay - Frame Size 22AF & 40AF
    $85.03 - $85.03
    $85.03
    $85.03 - $85.03
    $85.03

    Altech MT-32/3K-0.4 Overload Relay - Frame Size 22AF & 40AF

    Altech
    In stock

    MT-32/3K-0.4 Overload Relay Class 10A, Differential Typical Frame size 22AF Specifications Part Number MT-32/3K-0.4 MC Series Overload Relay S...

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    $85.03 - $85.03
    $85.03
    $85.03 - $85.03
    $85.03
  • Altech MT-32/3K-0.63 Overload Relay - Frame Size 22AF & 40AF
    $85.03 - $85.03
    $85.03
    $85.03 - $85.03
    $85.03

    Altech MT-32/3K-0.63 Overload Relay - Frame Size 22AF & 40AF

    Altech
    In stock

    MT-32/3K-0.63 Overload Relay Class 10A, Differential Typical Frame size 22AF Specifications Part Number MT-32/3K-0.63 MC Series Overload Relay...

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    $85.03 - $85.03
    $85.03
    $85.03 - $85.03
    $85.03
  • Altech MT-32/3K-1 Overload Relay - Frame Size 22AF & 40AF
    $85.03 - $85.03
    $85.03
    $85.03 - $85.03
    $85.03

    Altech MT-32/3K-1 Overload Relay - Frame Size 22AF & 40AF

    Altech
    In stock

    MT-32/3K-1 Overload Relay Class 10A, Differential Typical Frame size 22AF Specifications Part Number MT-32/3K-1 MC Series Overload Relay Setti...

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    $85.03 - $85.03
    $85.03
    $85.03 - $85.03
    $85.03
  • Altech MT-32/3K-1.6 Overload Relay - Frame Size 22AF & 40AF
    $85.03 - $85.03
    $85.03
    $85.03 - $85.03
    $85.03

    Altech MT-32/3K-1.6 Overload Relay - Frame Size 22AF & 40AF

    Altech
    In stock

    MT-32/3K-1.6 Overload Relay Class 10A, Differential Typical Frame size 22AF Specifications Part Number MT-32/3K-1.6 MC Series Overload Relay S...

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    $85.03 - $85.03
    $85.03
    $85.03 - $85.03
    $85.03
  • Altech MT-32/3K-10 Overload Relay - Frame Size 22AF & 40AF
    $85.03 - $85.03
    $85.03
    $85.03 - $85.03
    $85.03

    Altech MT-32/3K-10 Overload Relay - Frame Size 22AF & 40AF

    Altech
    In stock

    MT-32/3K-10 Overload Relay Class 10A, Differential Typical Frame size 22AF Specifications Part Number MT-32/3K-10 MC Series Overload Relay Set...

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    $85.03 - $85.03
    $85.03
    $85.03 - $85.03
    $85.03
  • Altech MT-32/3K-13 Overload Relay - Frame Size 22AF & 40AF
    $85.03 - $85.03
    $85.03
    $85.03 - $85.03
    $85.03

    Altech MT-32/3K-13 Overload Relay - Frame Size 22AF & 40AF

    Altech
    In stock

    MT-32/3K-13 Overload Relay Class 10A, Differential Typical Frame size 22AF Specifications Part Number MT-32/3K-13 MC Series Overload Relay Set...

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    $85.03 - $85.03
    $85.03
    $85.03 - $85.03
    $85.03

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