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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.

Key Benefits of Electrical Contactors

  • Reliable switching of motors and high-current loads

  • Long mechanical and electrical life for continuous operation

  • Compatible with overload relays for complete motor control solutions

  • DIN rail or panel-mount designs for flexible installation

  • UL and IEC compliant options for global applications

Common Applications

  • Motor control circuits and MCC panels

  • Pumps, fans, compressors, and conveyors

  • HVAC and building automation systems

  • Industrial machinery and OEM equipment

  • Control panels built to UL 508A standards

Whether you’re designing a new control panel or replacing an existing contactor, our electrical contactor collection provides the performance, durability, and compatibility required for modern industrial systems. Browse our selection to find the right contactor based on coil voltage, amperage, and application needs.

  •
    $100.25 - $100.25
    $100.25
    $100.25 - $100.25
    $100.25

    MC-22A/4-AC277V

    Altech Corp.
    In stock

    Altech Corp., Contactor, 4 Pole,22A, 277VAC Coil 50/60Hz

    $100.25 - $100.25
    $100.25
    $100.25 - $100.25
    $100.25
  • $100.25 - $100.25
    $100.25
    $100.25 - $100.25
    $100.25

    MC-22A/4-AC24V

    Altech Corp.
    In stock

    Altech Corp., Contactor, 4 Pole,22A, 24VAC Coil 50/60Hz

    $100.25 - $100.25
    $100.25
    $100.25 - $100.25
    $100.25
  • $100.25 - $100.25
    $100.25
    $100.25 - $100.25
    $100.25

    MC-22A/4-AC230V

    Altech Corp.
    In stock

    Altech Corp., Contactor, 4 Pole,22A, 230VAC Coil 50/60Hz

    $100.25 - $100.25
    $100.25
    $100.25 - $100.25
    $100.25
  • $100.25 - $100.25
    $100.25
    $100.25 - $100.25
    $100.25

    MC-22A/4-AC208V

    Altech Corp.
    In stock

    Altech Corp., Contactor, 4 Pole,22A, 208VAC Coil 50/60Hz

    $100.25 - $100.25
    $100.25
    $100.25 - $100.25
    $100.25
  • $100.25 - $100.25
    $100.25
    $100.25 - $100.25
    $100.25

    MC-22A/4-AC120V

    Altech Corp.
    In stock

    Altech Corp., Contactor, 4 Pole,22A, 120VAC Coil 50/60Hz

    $100.25 - $100.25
    $100.25
    $100.25 - $100.25
    $100.25
  • $972.17 - $972.17
    $972.17
    $972.17 - $972.17
    $972.17

    MC-225A-500V

    Altech Corp.
    In stock

    Altech Corp., Contactor, 3 Pole, 225A, 2 NO/2 NC, 500VAC coil

    $972.17 - $972.17
    $972.17
    $972.17 - $972.17
    $972.17
  • $972.17 - $972.17
    $972.17
    $972.17 - $972.17
    $972.17

    MC-225A-48V

    Altech Corp.
    In stock

    Altech Corp., Contactor, 3 Pole, 225A, 2 NO/2 NC, 48VAC/ DC coil

    $972.17 - $972.17
    $972.17
    $972.17 - $972.17
    $972.17
  • $972.17 - $972.17
    $972.17
    $972.17 - $972.17
    $972.17

    MC-225A-400V

    Altech Corp.
    In stock

    Altech Corp., Contactor, 3 Pole, 225A, 2 NO/2 NC, 400VAC coil

    $972.17 - $972.17
    $972.17
    $972.17 - $972.17
    $972.17
  • $972.17 - $972.17
    $972.17
    $972.17 - $972.17
    $972.17

    MC-225A-300V

    Altech Corp.
    In stock

    Altech Corp., Contactor, 3 Pole, 225A, 2 NO/2 NC, 300VAC coil

    $972.17 - $972.17
    $972.17
    $972.17 - $972.17
    $972.17
  • $972.17 - $972.17
    $972.17
    $972.17 - $972.17
    $972.17

    MC-225A-24V

    Altech Corp.
    In stock

    Altech Corp., Contactor, 3 Pole, 225A, 2 NO/2 NC, 24VAC/ DC coil

    $972.17 - $972.17
    $972.17
    $972.17 - $972.17
    $972.17
  • $972.17 - $972.17
    $972.17
    $972.17 - $972.17
    $972.17

    MC-225A-100/200V

    Altech Corp.
    In stock

    Altech Corp., Contactor, 3 Pole, 225A, 2 NO/2 NC, 100~240VAC/ DC coil

    $972.17 - $972.17
    $972.17
    $972.17 - $972.17
    $972.17
  • $108.64 - $108.64
    $108.64
    $108.64 - $108.64
    $108.64

    MC-18B-DC24V

    Altech Corp.
    In stock

    Altech Corp., Contactor, 3 Pole,18A, 1 NO/1 NC, 24VDC Coil

    $108.64 - $108.64
    $108.64
    $108.64 - $108.64
    $108.64
  • $108.64 - $108.64
    $108.64
    $108.64 - $108.64
    $108.64

    MC-18B-DC12V

    Altech Corp.
    In stock

    Altech Corp., Contactor, 3 Pole,18A, 1 NO/1 NC, 12VDC Coil

    $108.64 - $108.64
    $108.64
    $108.64 - $108.64
    $108.64
  • $62.61 - $62.61
    $62.61
    $62.61 - $62.61
    $62.61

    MC-18B-AC48V

    Altech Corp.
    In stock

    Altech Corp., Contactor, 3 Pole,18A, 1 NO/1 NC, 48VAC Coil 50/60Hz

    $62.61 - $62.61
    $62.61
    $62.61 - $62.61
    $62.61
  • $62.61 - $62.61
    $62.61
    $62.61 - $62.61
    $62.61

    MC-18B-AC480V

    Altech Corp.
    In stock

    Altech Corp., Contactor, 3 Pole,18A, 1 NO/1 NC, 480VAC Coil 60Hz

    $62.61 - $62.61
    $62.61
    $62.61 - $62.61
    $62.61
  • $62.61 - $62.61
    $62.61
    $62.61 - $62.61
    $62.61

    MC-18B-AC24V

    Altech Corp.
    In stock

    Altech Corp., Contactor, 3 Pole,18A, 1 NO/1 NC, 24VAC Coil 50/60Hz

    $62.61 - $62.61
    $62.61
    $62.61 - $62.61
    $62.61
  • $62.61 - $62.61
    $62.61
    $62.61 - $62.61
    $62.61

    MC-18B-AC230V

    Altech Corp.
    In stock

    Altech Corp., Contactor, 3 Pole,18A, 1 NO/1 NC, 230VAC Coil 50/60Hz

    $62.61 - $62.61
    $62.61
    $62.61 - $62.61
    $62.61
  • $62.61 - $62.61
    $62.61
    $62.61 - $62.61
    $62.61

    MC-18B-AC208V

    Altech Corp.
    In stock

    Altech Corp., Contactor, 3 Pole,18A, 1 NO/1 NC, 208VAC Coil 60Hz

    $62.61 - $62.61
    $62.61
    $62.61 - $62.61
    $62.61
  • $62.61 - $62.61
    $62.61
    $62.61 - $62.61
    $62.61

    MC-18B-AC120V

    Altech Corp.
    In stock

    Altech Corp., Contactor, 3 Pole,18A, 1 NO/1 NC, 120VAC Coil 50/60Hz

    $62.61 - $62.61
    $62.61
    $62.61 - $62.61
    $62.61
  • $171.89 - $171.89
    $171.89
    $171.89 - $171.89
    $171.89

    MC-18A/4-DC24V

    Altech Corp.
    In stock

    Altech Corp., Contactor, 4 Pole,18A, 24V DC Coil

    $171.89 - $171.89
    $171.89
    $171.89 - $171.89
    $171.89
  • $85.03 - $85.03
    $85.03
    $85.03 - $85.03
    $85.03

    MC-18A/4-AC24V

    Altech Corp.
    In stock

    Altech Corp., Contactor, 4 Pole,18A, 24VAC Coil 50/60Hz

    $85.03 - $85.03
    $85.03
    $85.03 - $85.03
    $85.03
  • $85.03 - $85.03
    $85.03
    $85.03 - $85.03
    $85.03

    MC-18A/4-AC230V

    Altech Corp.
    In stock

    Altech Corp., Contactor, 4 Pole,18A, 230VAC Coil 50/60Hz

    $85.03 - $85.03
    $85.03
    $85.03 - $85.03
    $85.03
  • $85.03 - $85.03
    $85.03
    $85.03 - $85.03
    $85.03

    MC-18A/4-AC208V

    Altech Corp.
    In stock

    Altech Corp., Contactor, 4 Pole,18A, 208VAC Coil 50/60Hz

    $85.03 - $85.03
    $85.03
    $85.03 - $85.03
    $85.03
  • $87.73 - $87.73
    $87.73
    $87.73 - $87.73
    $87.73

    MC-18A/4-AC120V

    Altech Corp.
    In stock

    Altech Corp., Contactor, 4 Pole,18A, 120VAC Coil 50/60Hz

    $87.73 - $87.73
    $87.73
    $87.73 - $87.73
    $87.73

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