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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 UA-4-40 MC Overload Relay - Auxiliary Contacts
    $35.63 - $35.63
    $35.63
    $35.63 - $35.63
    $35.63

    Altech UA-4-40 MC Overload Relay - Auxiliary Contacts

    Altech
    In stock

    UA-4-40 MC Overload Relay - Auxiliary Contacts For Frame Sizes 22AF - 150AF 4NO Specifications Part Number UA-4-40 MC Series Overload Accesso...

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    $35.63 - $35.63
    $35.63
    $35.63 - $35.63
    $35.63
  • Altech UM-4R MC Overload Relay - Remote Reset Unites
    $105.57 - $105.57
    $105.57
    $105.57 - $105.57
    $105.57

    Altech UM-4R MC Overload Relay - Remote Reset Unites

    Altech
    In stock

    UM-4R MC Overload Relay - Remote Reset Unites Cable Length (L): 400 mm Specifications Part Number UM-4R MC Series Overload Accessories Remote...

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    $105.57 - $105.57
    $105.57
    $105.57 - $105.57
    $105.57
  • Altech UM-5R MC Overload Relay - Remote Reset Unites
    $115.17 - $115.17
    $115.17
    $115.17 - $115.17
    $115.17

    Altech UM-5R MC Overload Relay - Remote Reset Unites

    Altech
    In stock

    UM-5R MC Overload Relay - Remote Reset Unites Cable Length (L): 500 mm Specifications Part Number UM-5R MC Series Overload Accessories Remote...

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    $115.17 - $115.17
    $115.17
    $115.17 - $115.17
    $115.17
  • Altech UM-6R MC Overload Relay - Remote Reset Unites
    $129.57 - $129.57
    $129.57
    $129.57 - $129.57
    $129.57

    Altech UM-6R MC Overload Relay - Remote Reset Unites

    Altech
    In stock

    UM-6R MC Overload Relay - Remote Reset Unites Cable Length (L): 600 mm Specifications Part Number UM-6R MC Series Overload Accessories Remote...

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    $129.57 - $129.57
    $129.57
    $129.57 - $129.57
    $129.57
  • Altech UR-02 MC Overload Relay - Mechanical Interlocks
    $28.81 - $28.81
    $28.81
    $28.81 - $28.81
    $28.81

    Altech UR-02 MC Overload Relay - Mechanical Interlocks

    Altech
    In stock

    UR-02 MC Overload Relay - Mechanical Interlocks 400AF Frame Specifications Part Number UR-02 MC Series Overload Accessories Mechanical Interl...

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    $28.81 - $28.81
    $28.81
    $28.81 - $28.81
    $28.81
  • Altech US-1 MC Overload Relay - Surge Suppression
    $26.71 - $26.71
    $26.71
    $26.71 - $26.71
    $26.71

    Altech US-1 MC Overload Relay - Surge Suppression

    Altech
    In stock

    US-1 MC Overload Relay - Surge Suppression For Frame Sizes 22AF-100AF Coil Voltage: 24-48VAC Varistor: 120V Resistor: 100 Ω: Capacitator: 0.1 μF ...

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    $26.71 - $26.71
    $26.71
    $26.71 - $26.71
    $26.71
  • Altech US-11 MC Overload Relay - Surge Suppression
    $18.90 - $18.90
    $18.90
    $18.90 - $18.90
    $18.90

    Altech US-11 MC Overload Relay - Surge Suppression

    Altech
    In stock

    US-11 MC Overload Relay - Surge Suppression For Frame Sizes 22AF-100AF Coil Voltage: 24-48V AC/DC Varistor: 120V Resistor: -- Capacitator: -- Sp...

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    $18.90 - $18.90
    $18.90
    $18.90 - $18.90
    $18.90
  • Altech US-12 MC Overload Relay - Surge Suppression
    $18.90 - $18.90
    $18.90
    $18.90 - $18.90
    $18.90

    Altech US-12 MC Overload Relay - Surge Suppression

    Altech
    In stock

    US-12 MC Overload Relay - Surge Suppression For Frame Sizes 22AF-100AF Coil Voltage: 100-125VDC Varistor: 270V Resistor: -- Capacitator: -- Spec...

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    $18.90 - $18.90
    $18.90
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    $18.90
  • Altech US-13 MC Overload Relay - Surge Suppression
    $18.90 - $18.90
    $18.90
    $18.90 - $18.90
    $18.90

    Altech US-13 MC Overload Relay - Surge Suppression

    Altech
    In stock

    US-13 MC Overload Relay - Surge Suppression For Frame Sizes 22AF-100AF Coil Voltage: 200-220VDC Varistor: 470V Resistor: -- Capacitator: -- Spec...

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    $18.90 - $18.90
    $18.90
    $18.90 - $18.90
    $18.90
  • Altech US-14 MC Overload Relay - Surge Suppression
    $18.90 - $18.90
    $18.90
    $18.90 - $18.90
    $18.90

    Altech US-14 MC Overload Relay - Surge Suppression

    Altech
    In stock

    US-14 MC Overload Relay - Surge Suppression For Frame Sizes 22AF-100AF Coil Voltage: 380-440V AC/DC Varistor: 1000V Resistor: -- Capacitator: -- ...

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    $18.90 - $18.90
    $18.90
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    $18.90
  • Altech US-2 MC Overload Relay - Surge Suppression
    $26.71 - $26.71
    $26.71
    $26.71 - $26.71
    $26.71

    Altech US-2 MC Overload Relay - Surge Suppression

    Altech
    In stock

    US-2 MC Overload Relay - Surge Suppression For Frame Sizes 22AF-100AF Coil Voltage: 100-125VAC Varistor: 270V Resistor: 100 Ω: Capacitator: 0.1 μ...

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    $26.71 - $26.71
    $26.71
    $26.71 - $26.71
    $26.71
  • Altech US-22 MC Overload Relay - Surge Suppression
    $18.90 - $18.90
    $18.90
    $18.90 - $18.90
    $18.90

    Altech US-22 MC Overload Relay - Surge Suppression

    Altech
    In stock

    US-22 MC Overload Relay - Surge Suppression For Frame Sizes 22AF-100AF Coil Voltage: 100-125VAC Varistor: -- Resistor: 56 Ω Capacitator: 0.1 μF ...

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    $18.90 - $18.90
    $18.90
    $18.90 - $18.90
    $18.90
  • Altech US-3 MC Overload Relay - Surge Suppression
    $26.71 - $26.71
    $26.71
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    $26.71

    Altech US-3 MC Overload Relay - Surge Suppression

    Altech
    In stock

    US-3 MC Overload Relay - Surge Suppression For Frame Sizes 22AF-100AF Resistor Coil Voltage: 200-240VAC Varistor: 470V Resistor: 100 Ω: Capacitato...

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    $26.71 - $26.71
    $26.71
    $26.71 - $26.71
    $26.71
  • Altech US-4 MC Overload Relay - Surge Suppression
    $22.59 - $22.59
    $22.59
    $22.59 - $22.59
    $22.59

    Altech US-4 MC Overload Relay - Surge Suppression

    Altech
    In stock

    US-4 MC Overload Relay - Surge Suppression For Frame Sizes 22AF-100AF Capacitator Coil Voltage: 24-48DC Varistor: 120V Resistor: 100 Ω: Capacitat...

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    $22.59 - $22.59
    $22.59
    $22.59 - $22.59
    $22.59
  • Altech US-5 MC Overload Relay - Surge Suppression
    $26.71 - $26.71
    $26.71
    $26.71 - $26.71
    $26.71

    Altech US-5 MC Overload Relay - Surge Suppression

    Altech
    In stock

    US-5 MC Overload Relay - Surge Suppression For Frame Sizes 22AF-100AF Varistor Coil Voltage: 100-125VDC Varistor: 270V Resistor: 100 Ω: Capacitat...

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    $26.71 - $26.71
    $26.71
    $26.71 - $26.71
    $26.71
  • Altech US-6 MC Overload Relay - Surge Suppression
    $26.71 - $26.71
    $26.71
    $26.71 - $26.71
    $26.71

    Altech US-6 MC Overload Relay - Surge Suppression

    Altech
    In stock

    US-6 MC Overload Relay - Surge Suppression For Frame Sizes 22AF-100AF Coil Voltage: 200-220VDC Varistor: 470V Resistor: 100 Ω: Capacitator: 0.47 ...

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    $26.71 - $26.71
    $26.71
    $26.71 - $26.71
    $26.71
  • Altech UW-22 MC Overload Relay - Reversing Contactor Components
    $27.26 - $27.26
    $27.26
    $27.26 - $27.26
    $27.26

    Altech UW-22 MC Overload Relay - Reversing Contactor Components

    Altech
    In stock

    UW-22 MC Overload Relay - Reversing Contactor Components Wiring Kits Contactor Frame Size: MC-9B-MC-22B Specifications Part Number UW-22 MC S...

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    $27.26 - $27.26
    $27.26
    $27.26 - $27.26
    $27.26
  • Altech UW-32 MC Overload Relay - Reversing Contactor Components
    $28.11 - $28.11
    $28.11
    $28.11 - $28.11
    $28.11

    Altech UW-32 MC Overload Relay - Reversing Contactor Components

    Altech
    In stock

    UW-32 MC Overload Relay - Reversing Contactor Components Wiring Kits Contactor Frame Size: MC-32A-MC-40A Specifications Part Number UW-32 MC S...

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    $28.11 - $28.11
    $28.11
    $28.11 - $28.11
    $28.11
  • Altech UW-63 MC Overload Relay - Reversing Contactor Components
    $45.13 - $45.13
    $45.13
    $45.13 - $45.13
    $45.13

    Altech UW-63 MC Overload Relay - Reversing Contactor Components

    Altech
    In stock

    UW-63 MC Overload Relay - Reversing Contactor Components Wiring Kits Contactor Frame Size: MC-50A-MC-40A Specifications Part Number UW-63 MC S...

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    $45.13 - $45.13
    $45.13
    $45.13 - $45.13
    $45.13
  • Altech UW-95 MC Overload Relay - Reversing Contactor Components
    $107.47 - $107.47
    $107.47
    $107.47 - $107.47
    $107.47

    Altech UW-95 MC Overload Relay - Reversing Contactor Components

    Altech
    In stock

    UW-95 MC Overload Relay - Reversing Contactor Components Wiring Kits Contactor Frame Size: MC-75A-MC-40A Specifications Part Number UW-95 MC S...

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    $107.47 - $107.47
    $107.47
    $107.47 - $107.47
    $107.47
  • Altech UZ-32 MC Overload Relay - Overload Base
    $15.84 - $15.84
    $15.84
    $15.84 - $15.84
    $15.84

    Altech UZ-32 MC Overload Relay - Overload Base

    Altech
    In stock

    UZ-32 MC Overload Relay - Overload Base Relay Series: MT-32 Specifications Part Number UZ-32 MC Series Overload Accessories Overload Bases D...

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    $15.84 - $15.84
    $15.84
    $15.84 - $15.84
    $15.84
  • Altech UZ-63/S MC Overload Relay - Overload Base
    $15.84 - $15.84
    $15.84
    $15.84 - $15.84
    $15.84

    Altech UZ-63/S MC Overload Relay - Overload Base

    Altech
    In stock

    UZ-63/S MC Overload Relay - Overload Base Relay Series: MT-63 Specifications Part Number UZ-63/S MC Series Overload Accessories Overload Bases...

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    $15.84 - $15.84
    $15.84
    $15.84 - $15.84
    $15.84
  • Altech UZ-95/S MC Overload Relay - Overload Base
    $21.11 - $21.11
    $21.11
    $21.11 - $21.11
    $21.11

    Altech UZ-95/S MC Overload Relay - Overload Base

    Altech
    In stock

    UZ-95/S MC Overload Relay - Overload Base Relay Series: MT-95 Specifications Part Number UZ-95/S MC Series Overload Accessories Overload Bases...

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    $21.11 - $21.11
    $21.11
    $21.11 - $21.11
    $21.11
  • $28.23 - $28.23
    $28.23
    $28.23 - $28.23
    $28.23

    Altech MC-C-65AF-DC24V Replacement Coil 24VDC, MC-50A ~ MC-65A

    Altech Corp.
    In stock

    Altech MC-C-65AF-DC24V: Replacement Coil 24VDC, MC-50A ~ MC-65A. Specifications Part Number MC-C-65AF-DC24V

    $28.23 - $28.23
    $28.23
    $28.23 - $28.23
    $28.23

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