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Magnetic Sensors

Showing 1-100 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. $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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  5. $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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  6. $2.93
    SKU: SM-200Q-BR

    Seco-Larm SM-200Q-BR Surface Mount N.C. Magnetic Contact with Screw Terminals, Brown

    • Surface-mounted contact for closed loop applications
    • Screw terminals for quick installation
    • Includes terminal cover (model SM-823Q)
    • GAP: 3/4" (19mm)
    • Dimensions: 2-1/2"x9/16"x1/2" (63.5x14x13 mm)
    $2.93
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  7. $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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  8. was $106.95 Special Price $72.00
    SKU: SD-9773-KNEVQ

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

    • Outdoor Wave-to-Open Sensors
    • Surface-Mount
    was $106.95 Special Price $72.00
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  9. $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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  10. $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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  11. $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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  12. $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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  13. $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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  14. $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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  15. $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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  16. $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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  17. $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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  18. $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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  19. $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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  20. $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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  21. $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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  22. $320.00
    SKU: HS-1452-L1-5-111

    Magnasphere HS-1452-L1-5-111 Roll Up Door Bracket with HS L1.5 Pre-Mounted, Right Side

    • Roll Up Door Bracket with HS L1.5 Pre-Mounted
    • Right Side
    • Specify HS L1.5 P/N Required
    $320.00
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  23. $18.39
    SKU: MSS-89SL-W

    Magnasphere MSS-89SL-W Surface Mount Contact Open Loop with 12" Jacketed Leads, White

    • Made with Magnasphere Switch Technology
    • Won't break
    • Resistant to contact welding
    • Resistant to outside defeat
    • Universal mounting
    $18.39
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  24. $7.07
    SKU: A1-D

    United Security Products A1-D Arrowhead "Load and Lock" 3/8" Contact with Disc Magnet

    • CC
    • Up to 3/4″ Gap
    • No More Silicone or Glue!
    • Self thread into 3/8″ drilled wood
    • One Turn Locks in Place, One Turn Removes For Tests
    $7.07
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  25. $5.39
    SKU: BP54

    United Security Products BP54 3/8" Short Switch - Long Magnet, CC

    • .75″ Gap
    • 3/8″ x 3/4″ Stubby Press Fit
    • With Long Magnet 3/8″ x 1-3/8″
    • Rhodium Metal Contacts
    • Rare Earth Magnets
    $5.39
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  26. $49.89
    SKU: MSS-312C-GREY

    Magnasphere MSS-312C-GREY 1" Recessed with 3 Switches, 2 Closed Loop, 1 Open Loop - 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
    $49.89
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  27. $46.24
    SKU: B200-36

    GRI B200-36 Biased High Security Switch Sets Overview

    • Biased high security in a variety of switch case styles
    • 12″ leads #22AWG
    • Jacketed or armored cable on industrial switches
    • Longer leads, zip cord or jacketed cable upon request
    • Mounting hardware included
    $46.24
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  28. $19.48
    SKU: N75G-STHS

    Nascom N75G-STHS Recessed 3/8" Press Fit High Security Loop Switch / Magnet Set, Wire Leads, Gray

    • Press Fit - No Glue Required
    • Encapsulated Hermetically Sealed Contacts
    • 12" 22AWG Wire Lead
    • Polypropylene housings
    • Wide Gap - N35 NdFeB Rare Earth Magnet
    $19.48
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  29. $4.71
    SKU: N75B-ST

    Nascom N75B-ST Recessed 3/8" Press Fit Switch / Magnet Set, Wire Leads, Brown

    • Press Fit - No Glue Required
    • Encapsulated Hermetically Sealed Contacts
    • 12" 22AWG Wire Lead
    • Polypropylene housings
    • Wide Gap - N35 NdFeB Rare Earth Magnet
    $4.71
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  30. $3.90
    SKU: SM-200Q-W

    Seco-Larm SM-200Q-W Surface-Mount N.C. Magnetic Contact with Screw Terminals, White

    • Surface-mounted contact for closed loop applications
    • Screw terminals for quick installation
    • Includes terminal cover (model SM-823Q)
    • GAP: 3/4" (19mm)
    • Dimensions: 2-1/2"x9/16"x1/2" (63.5x14x13 mm)
    $3.90
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  31. $187.00
    SKU: HS-OHD-111

    Magnasphere HS-OHD-111 HS-L1.5-111 Mounted to HS-1271 OHD Rail Mount Bracket

    • HS-L1.5-111 ( 2 closed Loop contacts (N.C, no resistors) with pry tamper closed loop)
    • Mounted to HS-1271 OHD rail mount bracket
    $187.00
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  32. $511.00
    SKU: HSS-1450-L2S-000

    Magnasphere HSS-1450-L2S-000 Roll Up Door Bracket with HSS L2 Pre-Mounted, Right Side

    • Intrinsically Safe, Simple Apparatus (see page 3)
    • Resistant to External and Internal magnetic defeat
    • Dual 1/2″ NPT conduit ports provide top or side connection options
    • Replacement for existing BMS devices
    • No adjustment required for installation
    $511.00
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  33. $511.00
    SKU: HSS-1451-L2S-000

    Magnasphere HSS-1451-L2S-000 Roll Up Door Bracket with HSS L2 Pre-Mounted, Left Side

    • Intrinsically Safe, Simple Apparatus (see page 3)
    • Resistant to External and Internal magnetic defeat
    • Dual 1/2″ NPT conduit ports provide top or side connection options
    • Replacement for existing BMS devices
    • No adjustment required for installation
    $511.00
    Low Price Guarantee
  34. $412.30
    SKU: HSS-1671-L2S-001

    Magnasphere HSS-1671-L2S-001 Overhead Door Bracket with HSS L2 Pre-Mounted, Left Side

    • Overhead Door Bracket with HSS L2 Pre-Mounted
    • Left Side
    • Specify HSS P/N Required with Embedded EOL Resistors
    $412.30
    Low Price Guarantee
  35. $398.00
    SKU: HSS-1671-L2S-000

    Magnasphere HSS-1671-L2S-000 Overhead Door Bracket with HSS L2 Pre-Mounted, Left Side

    • Overhead Door Bracket with HSS L2 Pre-Mounted
    • Left Side
    • Specify HSS P/N Required without Embedded EOL Resistors
    $398.00
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  36. $398.00
    SKU: HSS-1670-L2S-000

    Magnasphere HSS-1670-L2S-000 Overhead Door Bracket with HSS L2 Pre-Mounted, Right Side

    • Overhead Door Bracket with HSS L2 Pre-Mounted
    • Right Side
    • Specify HSS P/N Required without Embedded EOL Resistors
    $398.00
    Low Price Guarantee
  37. $382.48
    SKU: MSS-20CL-RS1P1-W

    Magnasphere MSS-20CL-RS1P1-W 3/4" Recessed / Concealed Magnetic Door Contact Closed Loop, White, 10 Pack

    • Made with Magnasphere Switch Technology
    • Won't break
    • Resistant to contact welding
    • Resistant to outside defeat
    • Universal mounting
    $382.48
    Low Price Guarantee
  38. $369.00
    SKU: HSS-L2D-802

    Magnasphere HSS-L2D-802 Dual Alarm Contacts with Tamper Circuit, Closed Loop

    • Intrinsically Safe, Simple Apparatus
    • Resistant to External and Internal magnetic defeat
    • Dual 1/2″ NPT conduit ports provide top or side connection options
    • Replacement for existing BMS devices
    • No adjustment required for installation
    $369.00
    Low Price Guarantee
  39. $369.00
    SKU: HSS-L2D-803

    Magnasphere HSS-L2D-803 Dual Alarm Contacts with Tamper Circuit, Closed Loop

    • Intrinsically Safe, Simple Apparatus
    • Resistant to External and Internal magnetic defeat
    • Dual 1/2″ NPT conduit ports provide top or side connection options
    • Replacement for existing BMS devices
    • No adjustment required for installation
    $369.00
    Low Price Guarantee
  40. $363.00
    SKU: HSS-L2S-801

    Magnasphere HSS-L2S-801 Single Alarm Contact with Tamper Circuit, Closed Loop

    • Intrinsically Safe, Simple Apparatus
    • Resistant to External and Internal magnetic defeat
    • Dual 1/2″ NPT conduit ports provide top or side connection options
    • Replacement for existing BMS devices
    • No adjustment required for installation
    $363.00
    Low Price Guarantee
  41. $363.00
    SKU: HSS-L2S-817

    Magnasphere HSS-L2S-817 Single Alarm Contact with Tamper Circuit, Closed Loop

    • Intrinsically Safe, Simple Apparatus
    • Resistant to External and Internal magnetic defeat
    • Dual 1/2″ NPT conduit ports provide top or side connection options
    • Replacement for existing BMS devices
    • No adjustment required for installation
    $363.00
    Low Price Guarantee
  42. $345.78
    SKU: 110-T-B-GEN

    GRI 110-T-B-GEN Miniature Surface Mount Switch Set, 1" Gap Closed Loop, Brown

    • Miniature profile series is perfect for residential and light commercial applications
    • Surface mount magnetic contact
    • Screw down flange or self stick
    • 12″ #22AWG leads or screw terminals
    • Longer leads, zip cord or jacketed cable upon request
    $345.78
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  43. $337.00
    SKU: HSS-L2D-001

    Magnasphere HSS-L2D-001 Dual Alarm, Surface Mount Contact Both Closed Loop with Tamper Circuit, Closed Loop

    • Intrinsically Safe, Simple Apparatus
    • Resistant to External and Internal magnetic defeat
    • Replacement for existing BMS devices
    • No adjustment required for installation
    • Industry's most secure removal tamper sensor/circuit
    $337.00
    Low Price Guarantee
  44. $337.00
    SKU: HSS-L2D-003

    Magnasphere HSS-L2D-003 Dual Alarm, Surface Mount Contact Both Closed Loop with Tamper Circuit, Closed Loop

    • Intrinsically Safe, Simple Apparatus
    • Resistant to External and Internal magnetic defeat
    • Replacement for existing BMS devices
    • No adjustment required for installation
    • Industry's most secure removal tamper sensor/circuit
    $337.00
    Low Price Guarantee
  45. $337.00
    SKU: HSS-L2D-014

    Magnasphere HSS-L2D-014 Dual Alarm, Surface Mount Contact with Tamper Circuit, Closed Loop

    • Intrinsically Safe, Simple Apparatus
    • Resistant to External and Internal magnetic defeat
    • Replacement for existing BMS devices
    • No adjustment required for installation
    • Industry's most secure removal tamper sensor/circuit
    $337.00
    Low Price Guarantee
  46. $337.00
    SKU: HSS-L2D-011

    Magnasphere HSS-L2D-011 Dual Alarm, Surface Mount Contact with Tamper Circuit, Closed Loop

    • Intrinsically Safe, Simple Apparatus
    • Resistant to External and Internal magnetic defeat
    • Replacement for existing BMS devices
    • No adjustment required for installation
    • Industry's most secure removal tamper sensor/circuit
    $337.00
    Low Price Guarantee
  47. $337.00
    SKU: HSS-L2D-012

    Magnasphere HSS-L2D-012 Dual Alarm, Surface Mount Contact with Tamper Circuit, Closed Loop

    • Intrinsically Safe, Simple Apparatus
    • Resistant to External and Internal magnetic defeat
    • Replacement for existing BMS devices
    • No adjustment required for installation
    • Industry's most secure removal tamper sensor/circuit
    $337.00
    Low Price Guarantee
  48. $337.00
    SKU: HSS-L2D-015

    Magnasphere HSS-L2D-015 Dual Alarm, Surface Mount Contact with Tamper Circuit, Closed Loop

    • Intrinsically Safe, Simple Apparatus
    • Resistant to External and Internal magnetic defeat
    • Replacement for existing BMS devices
    • No adjustment required for installation
    • Industry's most secure removal tamper sensor/circuit
    $337.00
    Low Price Guarantee
  49. $336.00
    SKU: HS-1453-L1-5-111

    Magnasphere HS-1453-L1-5-111 Roll Up Door Bracket with HS L1.5 Pre-Mounted, Left Side

    • Roll Up Door Bracket with HS L1.5 Pre-Mounted
    • Left Side
    • Specify HS L1.5 P/N Required
    $336.00
    Low Price Guarantee
  50. $331.00
    SKU: HSS-L2S-001

    Magnasphere HSS-L2S-001 Single Alarm Contact With Tamper Circuit, Closed Loop

    • Resistant to External and Internal magnetic defeat
    • Built-in EOL resistors available
    • Unique cross hole mounting feature eliminates need for L and Z brackets on most installations
    • Retro-fit for existing BMS devices
    • No adjustment required for installation
    $331.00
    Low Price Guarantee
  51. $331.00
    SKU: HSS-L2S-003

    Magnasphere HSS-L2S-003 Single Alarm Contact With Tamper Circuit, Closed Loop

    • Resistant to External and Internal magnetic defeat
    • Built-in EOL resistors available
    • Unique cross hole mounting feature eliminates need for L and Z brackets on most installations
    • Retro-fit for existing BMS devices
    • No adjustment required for installation
    $331.00
    Low Price Guarantee
  52. $331.00
    SKU: HSS-L2S-002

    Magnasphere HSS-L2S-002 Single Alarm Contact With Tamper Circuit, Closed Loop

    • Resistant to External and Internal magnetic defeat
    • Built-in EOL resistors available
    • Unique cross hole mounting feature eliminates need for L and Z brackets on most installations
    • Retro-fit for existing BMS devices
    • No adjustment required for installation
    $331.00
    Low Price Guarantee
  53. $331.00
    SKU: HSS-L2S-004

    Magnasphere HSS-L2S-004 Single Alarm Contact With Tamper Circuit, Closed Loop

    • Resistant to External and Internal magnetic defeat
    • Built-in EOL resistors available
    • Unique cross hole mounting feature eliminates need for L and Z brackets on most installations
    • Retro-fit for existing BMS devices
    • No adjustment required for installation
    $331.00
    Low Price Guarantee
  54. $331.00
    SKU: HSS-L2S-017

    Magnasphere HSS-L2S-017 Single Alarm Contact With Tamper Circuit, Closed Loop

    • Resistant to External and Internal magnetic defeat
    • Built-in EOL resistors available
    • Unique cross hole mounting feature eliminates need for L and Z brackets on most installations
    • Retro-fit for existing BMS devices
    • No adjustment required for installation
    $331.00
    Low Price Guarantee
  55. $331.00
    SKU: HSS-L2S-011

    Magnasphere HSS-L2S-011 Single Alarm Contact With Tamper Circuit, Closed Loop

    • Resistant to External and Internal magnetic defeat
    • Built-in EOL resistors available
    • Unique cross hole mounting feature eliminates need for L and Z brackets on most installations
    • Retro-fit for existing BMS devices
    • No adjustment required for installation
    $331.00
    Low Price Guarantee
  56. $330.99
    SKU: HSS-L2D-004

    Magnasphere HSS-L2D-004 Dual Alarm, Surface Mount Contact Both Closed Loop with Tamper Circuit, Closed Loop

    • Intrinsically Safe, Simple Apparatus
    • Resistant to External and Internal magnetic defeat
    • Replacement for existing BMS devices
    • No adjustment required for installation
    • Industry's most secure removal tamper sensor/circuit
    $330.99
    Low Price Guarantee
  57. $328.00
    SKU: HSS-L2S-800

    Magnasphere HSS-L2S-800 Single Alarm Contact with Tamper Circuit, Closed Loop

    • Intrinsically Safe, Simple Apparatus
    • Resistant to External and Internal magnetic defeat
    • Dual 1/2″ NPT conduit ports provide top or side connection options
    • Replacement for existing BMS devices
    • No adjustment required for installation
    $328.00
    Low Price Guarantee
  58. was $351.00 Special Price $322.00
    SKU: N707AU-ST

    Nascom N707AU-ST UL2 High Security BMS Contact and Standard Magnet Set, Silver

    • Small Footprint
    • Anodized Aluminum Switch and Magnet Housing
    • Double Resistant Tamper
    • Epoxy Encapsulated Hermetically Sealed Contacts
    • Universal Mount - Left or Right
    was $351.00 Special Price $322.00
    Low Price Guarantee
  59. $319.00
    SKU: HSS-L2S-006

    Magnasphere HSS-L2S-006 Single Alarm Contact With Tamper Circuit, Closed Loop

    • Resistant to External and Internal magnetic defeat
    • Built-in EOL resistors available
    • Unique cross hole mounting feature eliminates need for L and Z brackets on most installations
    • Retro-fit for existing BMS devices
    • No adjustment required for installation
    $319.00
    Low Price Guarantee
  60. $311.99
    SKU: HSS-L2D-800

    Magnasphere HSS-L2D-800 High Security Magnetic Contact

    • INTRINSICALLY SAFE, Simple Apparatus
    • Resistant to External and INTERNAL magnetic defeat
    • Dual 1/2″ NPT conduit ports provide top or side connection options
    • Replacement for existing BMS devices
    • No adjustment required for installation
    $311.99
    Low Price Guarantee
  61. $302.00
    SKU: HSS-L2D-010

    Magnasphere HSS-L2D-010 Dual Alarm, Surface Mount Contact One Closed Loop, One Open Loop with Tamper Circuit, Closed Loop

    • Intrinsically Safe, Simple Apparatus
    • Resistant to External and Internal magnetic defeat
    • Replacement for existing BMS devices
    • No adjustment required for installation
    • Industry's most secure removal tamper sensor/circuit
    $302.00
    Low Price Guarantee
  62. $295.08
    SKU: HS-1453-L1-5-121

    Magnasphere HS-1453-L1-5-121 Roll Up Door Bracket with L1.5-121 Pre-Mounted Left Side

    • Roll Up Door Bracket with L1.5-121 Pre-Mounted Left Side
    $295.08
    Low Price Guarantee
  63. $253.00
    SKU: HSS-L2C-111-A-Nickel

    Magnasphere HSS-L2C-111-A-Nickel ANSI Cut-Out Recessed Dual Alarm Contact, Both Closed Loop, with Closed Loop Tamper Circuit, Nickel Coated

    • Only concealed contact to meet UL 634 Level 2 High Security Standard
    • Incorporates patented removal (pry) tamper circuit
    • Installs in one inch diameter hole or standard ANSI door cut out
    • ANSI model a retrofit / upgrade to old 2757 / 67 BMS contacts American made, built with MAGNASPHERE switch technology
    • Resists permanent contact welding (power surges, stun guns, lightning
    $253.00
    Low Price Guarantee
  64. $242.00
    SKU: 2757D-L

    GE Security Interlogix , 2757D-L, High Security Contacts, Triple Biased, DPDT, ANSI Recessed

    • Ideal for high security applications
    • Balanced, triple-biased features make defeat of switch virtually impossible
    • FM transmission
    • Fits standard ANSI door cutouts
    • DPDT; for installation versatility
    $242.00
    Low Price Guarantee
  65. $219.00
    SKU: HSS-L2C-101-A

    Magnasphere HSS-L2C-101-A ANSI Cut-Out Recessed Single Alarm Contact with Tamper Circuit, Closed Loop

    • Only concealed contact to meet UL 634 Level 2 High Security Standard
    • Incorporates patented removal (pry) tamper circuit
    • Installs in one inch diameter hole or standard ANSI door cut out
    • ANSI model a retrofit / upgrade to old 2757 / 67 BMS contacts American made, built with Magnasphere® switch technology
    • Resists permanent contact welding (power surges, stun guns, lightning
    $219.00
    Low Price Guarantee
  66. $201.96
    SKU: MSS-26CL-RS1P1-B

    Magnasphere MSS-26CL-RS1P1-B 1" Recessed Closed Loop Magnetic Door Contact, Brown, 10 Pack

    • Made with Magnasphere® Switch Technology
    • Won't break
    • Resistant to contact welding
    • Resistant to outside defeat
    • Universal mounting
    $201.96
    Low Price Guarantee
  67. $198.00
    SKU: HSS-L2C-111

    Magnasphere HSS-L2C-111 1" Diameter Recessed, Dual Alarm Contacts Both Closed Loop with Closed Loop Tamper Circuit

    • Only concealed contact to meet UL 634 Level 2 High Security Standard
    • Incorporates patented removal (pry) tamper circuit
    • Installs in one inch diameter hole or standard ANSI door cut out
    • ANSI model a retrofit / upgrade to old 2757 / 67 BMS contacts American made, built with MAGNASPHERE® switch technology
    • Resists permanent contact welding (power surges, stun guns, lightning
    $198.00
    Low Price Guarantee
  68. $196.32
    SKU: MS20RS-T-W

    GRI MS20RS-T-W Miniature 3/8″ Recessed Switch Set with Magnasphere Technology MS20RS-12 / MS20RS-T, 3/8″ Gap Closed Loop, White

    • Higher level of security
    • Spherical magnetism
    • Resistant to magnetic tamper and defeat
    • Hermetically sealed
    • Round or oval screw down flange
    $196.32
    Low Price Guarantee
  69. $189.84
    SKU: 199-12WG-BL

    GRI 199-12WG-BL Steel Door Recessed Switch Set, 3/4" Gap DPDT, Black

    • Recessed magnetic contact
    • 12″ #22AWG leads or screw terminals
    • Longer leads, zip cord or jacketed cable upon request
    • Built in E.O.L. Resistors and Diodes upon request
    • Supervisory Loops upon request
    $189.84
    Low Price Guarantee
  70. $187.00
    SKU: HS-OHD-121

    Magnasphere HS-OHD-121 HS-L1.5-121 Mounted to HS-1271 OHD Rail Mount Bracket

    • HS-L1.5-121 (2 contacts - 1 N.O., 1 N.C. (no resistors) with pry tamper closed loop)
    • Mounted to HS-1271 OHD rail mount bracket
    $187.00
    Low Price Guarantee
  71. $187.00
    SKU: HSS-L2C-101

    Magnasphere HSS-L2C-101 Single Alarm Contact with Tamper Circuit, Closed Loop, 1" Diameter Recessed

    • Only concealed contact to meet UL 634 Level 2 High Security Standard
    • Incorporates patented removal (pry) tamper circuit
    • Installs in one inch diameter hole or standard ANSI door cut out
    • ANSI model a retrofit / upgrade to old 2757 / 67 BMS contacts American made, built with Magnasphere® switch technology
    • Resists permanent contact welding (power surges, stun guns, lightning
    $187.00
    Low Price Guarantee
  72. $183.72
    SKU: 199-12-W

    GRI 199-12-W Steel Door Recessed Switch Set, 1/2" Gap DPDT, White

    • Recessed magnetic contact
    • 12″ #22AWG leads or screw terminals
    • Longer leads, zip cord or jacketed cable upon request
    • Built in E.O.L. Resistors and Diodes upon request
    • Supervisory Loops upon request
    $183.72
    Low Price Guarantee
  73. $178.08
    SKU: 20RS-480-W

    GRI 20RS-480-W Miniature Recessed Switch Set, 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
    $178.08
    Low Price Guarantee
  74. $173.00
    SKU: MSS-20CL-B

    Magnasphere MSS-20CL-B 3/4" Recessed / Concealed Contact Closed Loop with 12" Leads, Brown, 10 Pack

    • Made with Magnasphere Switch Technology
    • Won't break
    • Resistant to contact welding
    • Resistant to outside defeat
    • Universal mounting
    $173.00
    Low Price Guarantee
  75. $168.12
    SKU: 195-12WG-W

    GRI 195-12WG-W Steel Door Recessed Switch Set, 3/4" Gap DPDT, White

    • Recessed magnetic contact
    • 12″ #22AWG leads or screw terminals
    • Longer leads, zip cord or jacketed cable upon request
    • Built in E.O.L. Resistors and Diodes upon request
    • Supervisory Loops upon request
    $168.12
    Low Price Guarantee
  76. $168.00
    SKU: MSS-20CT-W

    Magnasphere MSS-20CT-W 3/4" Recessed/Concealed Contact Closed Loop with Terminals, White, 10 Pack

    • Made with Magnasphere® Switch Technology
    • Won't break
    • Resistant to contact welding
    • Resistant to outside defeat
    • Universal mounting
    $168.00
    Low Price Guarantee
  77. $160.00
    SKU: HS-OHD-201

    Magnasphere HS-OHD-201 HS-L1.5-201 Mounted to HS-1271 OHD Rail Mount Bracket

    • HS-L1.5-201 (1 Open loop contact (N.O., no resistors) w/ pry tamper closed loop)
    • Mounted to HS-1271 OHD rail mount bracket
    $160.00
    Low Price Guarantee
  78. $160.00
    SKU: HS-OHD-101

    Magnasphere HS-OHD-101 HS-L1.5-101 Mounted to HS-1271 OHD Rail Mount Bracket

    • HS-L1.5-101 (1 closed loop contact (N.C., no resistors) w/ pry tamper closed loop)
    • Mounted to HS-1271 OHD rail mount bracket
    $160.00
    Low Price Guarantee
  79. $159.60
    SKU: BX-100PLUS

    Optex BX-100PLUS Boundryguard Outdoor PIR Photoelectric Detector, Rollup Wind-doors

    • Full time relays
    • Attractive, slender design
    • Easy alignment with visual and audible indicator
    • Light reduction filter
    • Max 99 percent blockage
    $159.60
    Low Price Guarantee
  80. $159.60
    SKU: MSS-20CT-B

    Magnasphere MSS-20CT-B 3/4" Recessed/Concealed Contact Closed Loop with Terminals, Brown, 10 Pack

    • Made with Magnasphere® Switch Technology
    • Won't break
    • Resistant to contact welding
    • Resistant to outside defeat
    • Universal mounting
    $159.60
    Low Price Guarantee
  81. $141.00
    SKU: MSS-19CT-G

    Magnasphere MSS-19CT-G 3/4" Recessed/Concealed Contact Open Loop with Terminals, Grey, 10 Pack

    • Made with Magnasphere® Switch Technology
    • Won't break
    • Resistant to contact welding
    • Resistant to outside defeat
    • Universal mounting
    $141.00
    Low Price Guarantee
  82. $141.00
    SKU: MSS-19CT-B

    Magnasphere MSS-19CT-B 3/4" Recessed/Concealed Contact Open Loop with Terminals, Brown, 10 Pack

    • Made with Magnasphere® Switch Technology
    • Won't break
    • Resistant to contact welding
    • Resistant to outside defeat
    • Universal mounting
    $141.00
    Low Price Guarantee
  83. $134.00
    SKU: HS-L1.5-121-C36-L3.5

    Magnasphere HS-L1.5-121-C36-L3.5 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
    $134.00
    Low Price Guarantee
  84. $134.00
    SKU: HS-L1.5-111-C36-L3.5

    Magnasphere HS-L1.5-111-C36-L3.5 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
    $134.00
    Low Price Guarantee
  85. $124.56
    SKU: 70R-12WG-G

    GRI 70R-12WG-G Miniature Recessed Switch Set, 3/4" Gap Open/Closed Loop, Gray

    • Ideally suited for residential & light commercial applications where aesthetics are a requirement
    • Recessed Magnetic Contact
    • Press to fit or Flanged styles
    • Hermetically sealed
    • 12″ #22 AWG leads
    $124.56
    Low Price Guarantee
  86. $122.64
    SKU: 40RS-12XWG-W

    GRI 40RS-12XWG-W Miniature Recessed Switch Set, 1" Gap Open/Closed, SPDT, 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
    $122.64
    Low Price Guarantee
  87. $121.08
    SKU: 175-12-W

    GRI 175-12-W Snap Fit Recessed Switch Set, 1" Gap Open/Closed Loop, DPDT, White

    • Designed for hollow core doors and windows
    • Hole size allows for extra wire, etc
    • Up to one inch standard gap
    • Installs firmly in wood, vinyl and aluminum
    • Recessed magnetic contact
    $121.08
    Low Price Guarantee
  88. $121.00
    SKU: HS-L1.5-221

    Magnasphere HS-L1.5-221 Dual Alarm Contact, Two Open Loop

    • 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
    Low Price Guarantee
  89. $121.00
    SKU: MSS-220C-BROWN

    Magnasphere MSS-220C-BROWN 3/4" Recessed, 12" Leads, Two Open Loop Alarm Contact, Brown (Sold In Package of 5)

    • 3/4" recessed, 12" leads, two open loop alarm contact
    • Brown (sold in package of 5)
    $121.00
    Low Price Guarantee
  90. $121.00
    SKU: MSS-202C-WHITE

    Magnasphere MSS-202C-WHITE 3/4" Recessed, 12" Leads, Two Closed Loop Alarm Contact, White (Sold In Package of 5)

    • 3/4" recessed, 12" leads, two closed loop alarm contact
    • White (sold in package of 5)
    $121.00
    Low Price Guarantee
  91. $121.00
    SKU: MSS-211C-WHITE

    Magnasphere MSS-211C-WHITE 3/4" Recessed, 12" Leads, One Closed Loop and One Open Loop Alarm Contacts, White (Sold In Packages of 5)

    • 3/4" recessed, 12" leads, one closed loop and one open loop alarm contacts
    • White (sold in packages of 5)
    $121.00
    Low Price Guarantee
  92. $121.00
    SKU: MSS-211C-BROWN

    Magnasphere MSS-211C-BROWN 3/4" Recessed, 12" Leads, One Closed Loop and One Open Loop Alarm Contacts, Brown (Sold In Packages of 5)

    • 3/4" recessed, 12" leads, one closed loop and one open loop alarm contacts
    • Brown (sold in packages of 5)
    $121.00
    Low Price Guarantee
  93. $121.00
    SKU: MSS-202C-GRAY

    Magnasphere MSS-202C-GRAY 3/4" Recessed, 12" Leads, Two Closed Loop Alarm Contact, Gray (Sold In Package of 5)

    • 3/4" recessed, 12" leads, two closed loop alarm contact
    • Gray (sold in package of 5)
    $121.00
    Low Price Guarantee
  94. $115.00
    SKU: HS-L1.5-111

    Magnasphere HS-L1.5-111 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
    $115.00
    Low Price Guarantee
  95. $114.00
    SKU: MSS-10CT-G

    Magnasphere MSS-10CT-G 3/8" Recessed / Concealed Contact Closed Loop, Gray, 10 Pack

    • Made with Magnasphere Switch Technology
    • Won't break
    • Resistant to contact welding
    • Resistant to outside defeat
    • Universal mounting
    $114.00
    Low Price Guarantee
  96. $114.00
    SKU: MSS-10CT-B

    Magnasphere MSS-10CT-B 3/8" Recessed / Concealed Contact Closed Loop, Brown, 10 Pack

    • Made with Magnasphere Switch Technology
    • Won't break
    • Resistant to contact welding
    • Resistant to outside defeat
    • Universal mounting
    $114.00
    Low Price Guarantee
  97. $114.00
    SKU: MSS-10CT-W

    Magnasphere MSS-10CT-W 3/8" Recessed / Concealed Contact Closed Loop, White, 10 Pack

    • Made with Magnasphere Switch Technology
    • Won't break
    • Resistant to contact welding
    • Resistant to outside defeat
    • Universal mounting
    $114.00
    Low Price Guarantee
  98. $112.00
    SKU: MSS-10CL-W

    Magnasphere MSS-10CL-W 3/8" Recessed / Concealed Contact, White / Brown, Closed Loop (Sold in Package of 10)

    • Made with Magnasphere® Switch Technology
    • Won't break
    • Resistant to contact welding
    • Resistant to outside defeat
    • Universal mounting
    $112.00
    Low Price Guarantee
  99. $112.00
    SKU: HS-L1.5-101-C36-L3.5

    Magnasphere HS-L1.5-101-C36-L3.5 1.5 Surface Single and Dual Mount Alarm Contacts

    • 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
    $112.00
    Low Price Guarantee
  100. $109.00
    SKU: MSS-09CL-W

    Magnasphere MSS-09CL-W 3/8" Recessed / Concealed Contact, White / Brown, Open Loop (Sold in Package of 10)

    • Made with Magnasphere® Switch Technology
    • Won't break
    • Resistant to contact welding
    • Resistant to outside defeat
    • Universal mounting
    $109.00
    Low Price Guarantee

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