Magnetic Sensors
- $3.54SKU: 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
$3.54Low Price Guarantee - $121.00SKU: 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
$121.00Low Price Guarantee - $4.13SKU: 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
$4.13Low Price Guarantee - $28.00SKU: 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
$28.00Low Price Guarantee - $4.58SKU: 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
$4.58Low Price Guarantee - $106.95SKU: SD-9773-KNEVQ
Seco-Larm SD-9773-KNEVQ Outdoor Wave-to-Open Sensors, Surface-Mount
- Outdoor Wave-to-Open Sensors
- Surface-Mount
$106.95Low Price Guarantee - $16.50SKU: 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
$16.50Low Price Guarantee - $46.80SKU: 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
$46.80Low Price Guarantee - $26.22SKU: 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
$26.22Low Price Guarantee - $8.70SKU: 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
$8.70Low Price Guarantee - $3.36SKU: 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
$3.36Low Price Guarantee - $88.75SKU: 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
$88.75Low Price Guarantee - $16.07SKU: 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)
$16.07Low Price Guarantee - $33.74SKU: 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
$33.74Low Price Guarantee - $15.44SKU: 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
$15.44Low Price Guarantee - $10.89SKU: 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
$10.89Low Price Guarantee - $10.57SKU: 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
$10.57Low Price Guarantee - $7.32SKU: 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
$7.32Low Price Guarantee - $7.18SKU: 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
$7.18Low Price Guarantee - $4.85SKU: 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
$4.85Low Price Guarantee




















