Fraud Blocker
*Free Shipping on Orders Over $450

Magnetic Sensors

Showing 51-100 of 2855 Results

Page
  1. $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
  2. $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
  3. $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
  4. $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
  5. $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
  6. $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
  7. 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
  8. $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
  9. $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
  10. $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
  11. $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
  12. $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
  13. $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
  14. $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
  15. $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
  16. $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
  17. $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
  18. $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
  19. $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
  20. $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
  21. $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
  22. $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
  23. $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
  24. $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
  25. $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
  26. $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
  27. $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
  28. $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
  29. $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
  30. $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
  31. $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
  32. $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
  33. $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
  34. $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
  35. $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
  36. $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
  37. $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
  38. $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
  39. $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
  40. $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
  41. $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
  42. $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
  43. $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
  44. $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
  45. $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
  46. $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
  47. $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
  48. $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
  49. $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
  50. $107.40
    SKU: 20RS-240-W

    GRI 20RS-240-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
    $107.40
    Low Price Guarantee

Showing 51-100 of 2855 Results

Page