Magnetic Sensors
- $331.00SKU: 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
$331.00Low Price Guarantee - $331.00SKU: 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
$331.00Low Price Guarantee - $331.00SKU: 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
$331.00Low Price Guarantee - $331.00SKU: 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
$331.00Low Price Guarantee - $330.99SKU: 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
$330.99Low Price Guarantee - $328.00SKU: 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
$328.00Low Price Guarantee - was $351.00 Special Price $322.00SKU: 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 $322.00Low Price Guarantee - $319.00SKU: 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
$319.00Low Price Guarantee - $311.99SKU: 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
$311.99Low Price Guarantee - $302.00SKU: 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
$302.00Low Price Guarantee - $295.08SKU: 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
$295.08Low Price Guarantee - $253.00SKU: 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
$253.00Low Price Guarantee - $242.00SKU: 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
$242.00Low Price Guarantee - $219.00SKU: 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
$219.00Low Price Guarantee - $201.96SKU: 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
$201.96Low Price Guarantee - $198.00SKU: 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
$198.00Low Price Guarantee - $196.32SKU: 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
$196.32Low Price Guarantee - $189.84SKU: 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
$189.84Low Price Guarantee - $187.00SKU: 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
$187.00Low Price Guarantee - $187.00SKU: 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
$187.00Low Price Guarantee - $183.72SKU: 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
$183.72Low Price Guarantee - $178.08SKU: 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
$178.08Low Price Guarantee - $173.00SKU: 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
$173.00Low Price Guarantee - $168.12SKU: 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
$168.12Low Price Guarantee - $168.00SKU: 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
$168.00Low Price Guarantee - $160.00SKU: 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
$160.00Low Price Guarantee - $160.00SKU: 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
$160.00Low Price Guarantee - $159.60SKU: 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
$159.60Low Price Guarantee - $159.60SKU: 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
$159.60Low Price Guarantee - $141.00SKU: 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
$141.00Low Price Guarantee - $141.00SKU: 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
$141.00Low Price Guarantee - $134.00SKU: 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
$134.00Low Price Guarantee - $134.00SKU: 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
$134.00Low Price Guarantee - $124.56SKU: 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
$124.56Low Price Guarantee - $122.64SKU: 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
$122.64Low Price Guarantee - $121.08SKU: 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
$121.08Low Price Guarantee - $121.00SKU: 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
$121.00Low Price Guarantee - $121.00SKU: 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)
$121.00Low Price Guarantee - $121.00SKU: 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)
$121.00Low Price Guarantee - $121.00SKU: 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)
$121.00Low Price Guarantee - $121.00SKU: 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)
$121.00Low Price Guarantee - $121.00SKU: 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)
$121.00Low Price Guarantee - $115.00SKU: 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
$115.00Low Price Guarantee - $114.00SKU: 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
$114.00Low Price Guarantee - $114.00SKU: 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
$114.00Low Price Guarantee - $114.00SKU: 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
$114.00Low Price Guarantee - $112.00SKU: 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
$112.00Low Price Guarantee - $112.00SKU: 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
$112.00Low Price Guarantee - $109.00SKU: 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
$109.00Low Price Guarantee - $107.40SKU: 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
$107.40Low Price Guarantee


















































