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#1 Source in low voltage wire and cable. Call us today to learn more about special offers.
#1 Source in low voltage wire and cable. Call us today to learn more about special offers.

Magnetic Sensors

Magnetic Sensors

The Magnetic Sensor is a device that detects changes in magnetic flux density. Such change in magnetic properties is utilized in security devices such as reed switches. We offer a wide selection of mighty earth magnets and recessed magnetic switches to help you secure your perimeter.

  • Miniature Floor Mount Cast Aluminum Overhead Door Switch Set Magnetic Contact, 2 1/2" Gap
    from $20.86

    Miniature Overhead Door Magnetic Floor Mount Switch Set, 2 1/2in Gap

    4532B
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description Miniature Overhead Door Floor Mount M...

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    from $20.86
  • Water Sensor With Relay Contact - 2500/2600 Series
    from $27.06

    Water Sensor With Relay Contact - 2500/2600 Series

    2600
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description Water Sensor With Relay Contact Undete...

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    from $27.06
  • Reed Switch Set, 3/8"
    from $40.00

    3/8in Recessed Switch Set - 2020-12/2020-T Series - 10 Pack

    2020-12-W
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description 3/8” Recessed Switch Set - 10 Pack Our...

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    from $40.00
  • Reed Switch Set, Open Loop, 3/4"
    from $76.00

    Reed Switch Set, Open Loop, 3/4" Steel Door Recessed Magnetic Switch w/ Cable Leads - 10 Pack

    185-12-W
    GRI

    These items are Build to Order and Non-Returnable Descriptions Reed Switch Set, Open Loop, Steel Door Recessed 3/4" Magnetic Switch w/ Cable Le...

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    from $76.00
  • Push Button/Plunger Switch - PB-100/PBF-100 Series - 10 Pack
    from $63.80

    Push Button/Plunger Switch - PB-100/PBF-100 Series - 10 Pack

    PBF-100-W
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description Push Button/Plunger Switch - 10 Pack T...

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    from $63.80
  • Roller Ball Actuated Plunger Switch, Closed Loop, Flanged, Short, w/ Leads
    from $65.80

    Roller Ball Actuated Plunger Switch, Closed Loop, Flanged, Short, w/ Leads - 10 Pack

    DS-01-W
    GRI

    Description Roller Ball Actuated Plunger Switch, Closed Loop, Flanged, Short, w/ Leads - 10 Pack (White) The new Short Roller Ball Switch is a un...

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    from $65.80
  • Miniature 1/4” Recessed Switch Set - 50R Series - 10 Pack
    from $40.60

    Miniature 1/4in Recessed Switch Set - 50R Series - 10 Pack

    50RF-12-W
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description Miniature 1/4” Recessed Switch Set -...

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    from $40.60
  • Miniature 3/8" Recessed Switch Set -10 Pack
    from $51.00

    Miniature 3/8" Recessed Switch Set -10 Pack

    20RS-12-AL
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description Miniature 3/8" Recessed Switch -10 P...

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    from $51.00
  • Magnasphere Surface Mount Switch Set - MS28/MS29 and MS29P Series - 10 PACK
    from $245.00

    Magnasphere Surface Mount Switch Set - MS28/MS29 and MS29P Series - 10 PACK

    MS28A-G
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description Magnasphere Surface Mount Switch Set M...

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    from $245.00
  • Press Fit Reed Switch 3/8"
    from $47.00

    Recessed 3/8in Ribbed Switch Set - 2120 Series - 10 Pack

    2120-12
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description Recessed 3/8” Ribbed Switch Set The 21...

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    from $47.00
  • Rare Earth Magnet Switch Sets
    from $94.80

    Rare Earth Magnet Switch Sets, N Series, Miniature "Shortie" Recessed 3/8in with 12in Leads - Open Loop - 10 Pack

    N30RS-12-W
    GRI

    Description Rare Earth Magnet Switch Sets, N Series, Miniature "Shortie" Recessed 3/8" w/ 12" Leads - Open Loop - 10 Pack (White) Our Mighty Mag c...

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    from $94.80
  • Super Miniature 1/4" Recessed Switch
    from $40.80

    Switch (Only), Super Miniature 1/4" Recessed w/ 12" Leads - 10 Pack

    S50RS-12
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description Switch (Only), Super Miniature 1/4" ...

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    from $40.80
  • Current Controller with Recessed Switch - Automatic AC Voltage Switching System, UL Listed
    $72.62

    Current Controller with Recessed Switch - Automatic AC Voltage Switching System, UL Listed

    CC-01-3030-T
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable   Description Current Controller/Automatic AC Vol...

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    $72.62
  • Door Channel Magnets - 10 Pack
    $49.20

    Door Channel Magnets - 10 Pack

    MC-180
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description Door Channel Magnets - 10 Pack (White...

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    $49.20
  • 120T/4473 Series 3/4" Switch 3/8" Magnet Recessed Switch Sets
    $49.00

    Magnet Recessed Switch Set - 3/4in Switch And 3/8in Magnet - 10 Pack

    4473-G
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description Magnet Recessed Switch Set - 3/4" Swit...

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    $49.00
  • Miniature Flanged Surface Mount Switch Set - 1" Gap - 200V/140V
    from $49.20

    Miniature Surface Mounted Switch Sets With Flanges - 100 Series - 10 Pack

    100-12-AL
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description Miniature Surface Mounted Switch Sets ...

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    from $49.20
  • Miniature Surface Mounted Switch Sets Without Flanges - 110 Series - 10 Pack