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Magnetic Sensors

Showing 1-20 of 2855 Results

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  1. $3.54
    SKU: SM-407-5TQ/W

    Seco-Larm SM-407-5TQ/W 3/8" Screw-Terminal Recessed-Mount Magnetic Contact

    • Used for protecting sliding doors and windows where space is limited
    • Gold-plated terminals for longer expected life and reliability
    • Screw terminals
    • High-impact ABS plastic
    • Miniature size for easier concealment
    $3.54
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  2. $121.00
    SKU: HS-L1.5-121

    Magnasphere HS-L1.5-121 Surface Mount, Dual Alarm Contact

    • Tested to 9th edition UL 634 Level 1 high security (both in-swing and out-swing doors)
    • Made with Magnasphere switch technology
    • Single and Dual alarm contacts
    • No adjustment required for installation
    • No brackets needed for most out-swing door installations
    $121.00
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  3. $4.13
    SKU: N25WGB-ST

    Nascom N25WGB-ST Mini Stick on Switch / Magnet Set W1/4" x H1/4" x L1-1/4", End Wire Leads, Brown

    • 12" 22AWG Wire Leads
    • Encapsulated Hermetically Sealed Contacts
    • Wide Gap - N35 NdFeB Rare Earth Magnet
    • 3M VHB (Very High Bond) Double Sided Tape
    • ABS Housings
    $4.13
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  4. $28.00
    SKU: BP33-A

    United Security Products BP33-A Mini OHD Contact with Adjustable Magnet - 2.25" Gap

    • Extra wide 2.25" gap
    • Rugged aluminum construction
    • Miniature 3.5" x 1.5" size
    • Premium rhodium metal contacts
    • Alnico 5 magnets
    $28.00
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  5. $4.58
    SKU: SM-4105-LQ/W

    Seco-Larm SM-4105-LQ/W 3/4" Steel Door Recessed-Mount Magnetic Contact Switch, White

    • Used for steel framed doors and windows where space is limited or to avoid unsightly installations
    • Strong one-piece construction
    • 18" (46cm) wire leads
    • High-impact ABS plastic
    • Switch and magnet have ribs for securing in holes
    $4.58
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  6. $106.95
    SKU: SD-9773-KNEVQ

    Seco-Larm SD-9773-KNEVQ Outdoor Wave-to-Open Sensors, Surface-Mount

    • Outdoor Wave-to-Open Sensors
    • Surface-Mount
    $106.95
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  7. $16.50
    SKU: MSS-K22-W

    Magnasphere MSS-K22-W Surface Mount Contact Open Loop with Terminals, White

    • Made with Magnasphere Switch Technology
    • Won't break
    • Resistant to contact welding
    • Resistant to outside defeat
    • Universal mounting
    $16.50
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  8. $46.80
    SKU: 20RS-12-W

    GRI 20RS-12-W Miniature Recessed Switch Set, 1/2" Gap Closed Loop, White

    • Ideal for thin framed doors and windows
    • Recessed magnetic contact
    • Press to fit
    • 12″ #22AWG leads or screw terminals
    • Longer leads, zip cord or jacketed cable upon request
    $46.80
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  9. $26.22
    SKU: MSS-301C-WG-GREY

    Magnasphere MSS-301C-WG-GREY 1" Recessed with 1 switch, 1 Closed Loop with Extended Reach Magnet (5/8" min gap) - Grey

    • Multiple (2 or 3) individual contact outputs
    • Available in closed and open loop configurations
    • Available in 1" diameter recessed, and surface mount, armored cable version
    • Cost competitive
    • UL and ULC listed
    $26.22
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  10. $8.70
    SKU: NC1175TWUM-ST1KBD

    Nascom NC1175TWUM-ST1KBD NC1175TUM White Set with 1K Resistor and A Blue Dot

    • Press Fit - No Glue Required
    • Encapsulated Hermetically Sealed Contacts
    • Polypropylene Switch Housing
    • Listed To UL634 Standard
    • Wide Gap - N35 NdFeB Rare Earth Magnet
    $8.70
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  11. $3.36
    SKU: SM-431-TQ/W

    Seco-Larm SM-431-TQ/W Screw-Terminal Surface-Mount Magnetic Contacts, White

    • Miniature surface-mount magnetic contacts
    • Screw mount using side tabs or break off tabs for adhesive mount
    • Gold-plated screw terminals for longer expected life and reliability
    • Tape to cover screw terminals included
    • 1" (25mm) Gap
    $3.36
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  12. $88.75
    SKU: MSS-19CL-W

    Magnasphere MSS-19CL-W 3/4" Recessed / Concealed Contact Open Loop, White, 10 Pack

    • Made with Magnasphere Switch Technology
    • Won™t break
    • Resistant to contact welding
    • Resistant to outside defeat
    • Universal mounting
    $88.75
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  13. $16.07
    SKU: SM-226RQ

    Seco-Larm SM-226RQ Overhead Door-Mount N.C. Magnetic Contact

    • Switch contained in curved, low-profile, cast-aluminum housing
    • Magnet enclosed in round bracket
    • 24" (61cm) Wire leads enclosed in stainless-steel cable
    • 2-3/4" (70mm) Gap
    • Switch dimensions: 4-3/8"x1-3/4"x7/16" (111x44x11 mm)
    $16.07
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  14. $33.74
    SKU: ISN-CSD70-W

    Radionix by Bosch ISN-CSD70-W 3/4" White Stubby Recessed Contact - 10pk

    • Closed loop
    • Sensitive non-stick rhodium reed
    • Bent long leads keep solder off the glass of the reed
    • Two solder points on the wire
    • Thick plastic shell resists crushing
    $33.74
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  15. $15.44
    SKU: N78B-STSD

    Nascom N78B-STSD Recessed 1" PTF SPDT Switch/Magnet Set for Steel/Wood Doors, Wire Leads

    • Recessed 1" PTF SPDT Switch/Magnet Set for Steel/Wood Doors
    • Wire Leads
    $15.44
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  16. $10.89
    SKU: 240-8

    United Security Products 240-8 240 Twist LOC with 0.4mm Rare Earth Magnet

    • 0.6 Inch Gap
    • Size 1/4″ x 1/2″
    • Closed Circuit
    • 24″ Leads
    • 0.4″ diameter disc magnet
    $10.89
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  17. $10.57
    SKU: 142-SP

    United Security Products 142-SP Wide Gap 3/8" Press Fit Contact, SPDT 0.70" Gap

    • Wide gap 3/8" press fit contact
    • SPDT - 0.70" gap
    $10.57
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  18. $7.32
    SKU: 150-SP

    United Security Products 150-SP 3/8" x 3/5" Stubby Press Fit Contact, CC

    • 3/8″ x 1/2″ Stubby Press Fit
    • 0.50 Inch Gap
    • Rhodium Contacts
    • Pre-Wired 24″ Inch Leads
    • Powerful Rare Earth Magnet
    $7.32
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  19. $7.18
    SKU: 130-SP

    United Security Products 130-SP Wide Gap Mini Stick-on Contact 1.0' Gap - CC

    • 1" SP Wide Gap Performance
    • Rhodium Contacts
    • Self-Adhesive or Screw Mounting
    • Ideal for Sliding Doors and Windows
    • Break-away Flange
    $7.18
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  20. $4.85
    SKU: N25WGSW-SW1K

    Nascom N25WGSW-SW1K Mini Rectangular Stick On Closed Loop Switch Only with 1K Res In Ser, Wire Leads

    • Mini Rectangular Stick On Closed Loop Switch Only
    • 1K Res In Ser
    • Wire Leads
    $4.85
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Showing 1-20 of 2855 Results

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