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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 Overhead Door Switch Set - 4532/4532L Series
    from $24.64

    Miniature Overhead Door Switch Set - 4532/4532L Series

    4532L
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description Miniature Overhead Door Switch Set - 4...

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    from $24.64
  • Industrial Surface Mount Switch Set - 4400 Series
    from $39.04

    Industrial Surface Mount Switch Set - 4400 Series

    4400-A
    GRI

    Description Industrial Surface Mount Switch Set - 4400 Series This series is a heavy duty surface mounted industrial grade contact. A weather resis...

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    from $39.04
  • Reed Switch Set, Micro Surface Mount w/ Self-Stick Adhesive & Center Leads
    from $52.20

    Micro Surface Mount Switch Set - 500 Series - 10 Pack

    502-B
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description Micro Surface Mount Switch Set - 10 Pac...

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    from $52.20
  • Capped Miniature Surface Mount Switch Set - 700 Series - 10 Pack
    from $68.00

    Capped Miniature Surface Mount Switch Set - 700 Series - 10 Pack

    700CL-12
    GRI

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

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    from $68.00
  • Recessed 3/8in Flanged Switch Set - 20F/20 OF Series - 10 Pack
    from $45.20

    Recessed 3/8in Flanged Switch Set - 20F/20 OF Series - 10 Pack

    20F-12
    GRI

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

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    from $45.20
  • Recessed 1/2in Short Switch Sets - 150RS Series - 10 Pack
    from $58.20

    Recessed 1/2in Short Switch Sets - 150RS Series - 10 Pack

    150RS-12
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description Recessed 1/2” Short Switch Sets - 150R...

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    from $58.20
  • Industrial Overhead Aluminum Door Switch Set
    from $39.26

    Industrial Overhead Aluminum Door Switch Set - 200/250 Series

    210-36
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description Industrial Overhead Aluminum Door Swit...

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    from $39.26
  • Press Fit Reed Switch Adjustable Screw Plunger/Push Button Switch, Closed Loop, 3/8" w/ Screw Terminals - 10 Pack
    $61.80

    Press Fit Reed Switch Adjustable Screw Plunger/Push Button Switch, Closed Loop, 3/8" w/ Screw Terminals - 10 Pack

    PB-2020-T-W
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description Press Fit Reed Switch Adjustable Scr...

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    $61.80
  • Standard Surface Mount Switch Sets - 29P Series - 10 Pack
    from $68.60

    Standard Surface Mount Switch Sets - 29P Series - 10 Pack

    29PA-72
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description Standard Surface Mount Switch Sets - 2...

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    from $68.60
  • Tamper Proof Miniature Surface Mount Switch Set w/ Concealed Terminals
    from $73.40

    Miniature Surface Mount Switch Set - 129 Series - 10 Pack

    129A-W
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description Miniature Surface Mount Switch Set - 1...

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    from $73.40
  • Press Fit Reed Switch, 3/8" Ribbed Recessed w/ Leads and Nickel Magnets
    from $50.00

    Rare Earth Mighty Mag Series Switch Sets - N2120 Series - 10 Pack

    N2120-12
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description Rare Earth Mighty Mag Series Switch Se...

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    from $50.00
  • Press Fit Reed Switch, 1/2" Recessed w/ Cable Leads and Nickel Plated Magnets
    from $56.80

    Rare Earth Mighty Mag Series Switch Sets - N150 Series - 10 Pack

    N150-12
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description Rare Earth Mighty Mag Series Switch Se...

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    from $56.80
  • Rare Earth Magnets + Closed Loop Reed Switch, 1/2" Recessed w/ Screw Terminals
    from $58.40

    Rare Earth Magnets + Closed Loop Reed Switch, 1/2" Recessed w/ Screw Terminals - 10 Pack

    N150-T
    GRI

    Description Rare Earth Magnets + Closed Loop Reed Switch, 1/2" Recessed w/ Screw Terminals - 10 Pack (White) This recessed "normal closed" style m...

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    from $58.40
  • Miniature 1/4" Flanged Recessed Switch
    from $28.60

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

    S50RF-12-W
    GRI

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

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    from $28.60
  • Switch (Only), Recessed 1/2"
    $55.60

    Switch (Only), Recessed 1/2" Short STUBBY w/ Screw Terminals - Closed Loop - 10 Pack

    S150RS-T
    GRI

    Switch (Only), Recessed 1/2" Short STUBBY w/ Screw Terminals - Closed Loop - 10 Pack (White) This recessed "normal closed" style magnetic reed swit...

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    $55.60
  • Concealed Concrete Switch Sets - 4510A Series
    from $48.02

    Concealed Concrete Switch Sets - 4510A Series

    4510A
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description Concealed Concrete Switch Sets Perhaps...

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    from $48.02
  • Industrial Extended 3.25™ Gap Overhead Aluminum Door Switch
    from $63.18

    Extended Gap Surface Mount Switch Sets - 200WG Series

    200-36WG
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description 200WG Series Extended Gap Surface Moun...

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    from $63.18
  • Mini Curtain Door Switch With 36" Armored Cable
    from $49.64

    Mini Curtain Door Switch Sets - 4612 Series

    4612
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description Mini Curtain Door Switch Sets - 4612 S...

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    from $49.64
  • Special Purpose Pull Apart Surface Mount Reed Switch Set - 4704 Series
    from $31.60

    Special Purpose Pull Apart Surface Mount Reed Switch Set - 4704 Series

    4704-A
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description Special Purpose Pull Apart Surface Mo...

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    from $31.60
  • Industrial Track Mount Switch Set
    from $71.80

    Industrial Track Mount Switch Set - 4700-A Series

    4700-A
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description Industrial Track Mount Switch Set - 47...

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    from $71.80
  • Reed Switch Set, Closed Loop
    from $51.40

    Super Miniature Surface Mount Switch Sets - 505 Series - 10 Pack

    505-W
    GRI

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

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    from $51.40
  • Reed Switch Set, Closed Loop
    from $49.00

    Standard Surface Mount Switch Sets - 28/29 Series - 10 Pack

    28A-W
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description Standard Surface Mount Switch Sets - 2...

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    from $49.00
  • 3/8" Press Fit With Flat Magnet Switch Sets - 5088 Series - 10 Pack
    from $42.20

    3/8" Flat Magnet Recessed Switch Sets - 5088 Series - 10 /Pack

    5088
    GRI

    These products are all Made to Order Which means they are non-cancelable and non-refundable Description 3/8" Flat Magnet Recessed Switch Sets ...

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    from $42.20