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Door/Window Sensor

Showing 1-50 of 885 Results

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  1. $59.99
    SKU: MCT-302

    Visonic MCT-302 PowerCode Wireless Magnetic Contact Transmitter

    • Magnetic contact and auxiliary input for external devices
    • User-selectable operation of auxiliary input as NC or EOL (end-of-line loop with NC or NO sensors)
    • Back tamper switch detects removal from place (model MCT-302 )
    • Superior transmission range
    • Fully supervised
    $59.99
    Low Price Guarantee
  2. $47.75
    SKU: N505A-STMPAG

    Nascom N505A-STMPAG Magnetic Gate Standard Contact

    • Anodized Aluminium Housing For Maximum Durability
    • Armored Cable Lead Protection
    • Fast And Easy Installation
    • High Security Option Available
    $47.75
    Low Price Guarantee
  3. $293.00
    SKU: N505A-STMPA900

    Nascom N505A-STMPA900 Magnetic Pull-A-Part Contact with 75 Foot Leads

    • Set: Switch/Magnet Special
    • Color: Black
    • EndofLine (EOL) Resistors: No
    • Flange: N
    • Switch Size: D0.375" X L3.500"
    $293.00
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  4. $206.00
    SKU: N505A-STMPA600

    Nascom N505A-STMPA600 Magnetic Pull-A-Part Contact with 50 Foot Leads

    • Set: Switch/Magnet Special
    • Color: Black
    • EndofLine (EOL) Resistors: No
    • Flange: N
    • Switch Size: D0.375" X L3.500"
    $206.00
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  5. $136.00
    SKU: N505A-STMPA360

    Nascom N505A-STMPA360 Magnetic Pull-A-Part Contact with 30 Foot Leads

    • Set: Switch/Magnet Special
    • Color: Black
    • EndofLine (EOL) Resistors: No
    • Flange: N
    • Switch Size: D0.375" X L3.500"
    $136.00
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  6. $95.00
    SKU: N505A-STMPA300

    Nascom N505A-STMPA300 Magnetic Pull-A-Part Contact with 25 Foot Leads

    • Set: Switch/Magnet Special
    • Color: Black
    • EndofLine (EOL) Resistors: No
    • Flange: N
    • Switch Size: D0.375" X L3.500"
    $95.00
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  7. $46.65
    SKU: N505A-STMPA2K

    Nascom N505A-STMPA2K Magnetic Pull-A-Part Bar Stock Aluminum Switch 3 Foot Armor Cable and 2K Res

    • Anodized Aluminium Housing For Maximum Durability
    • Armored Cable Lead Protection
    • Fast And Easy Installation
    • High Security Option Available
    $46.65
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  8. $100.00
    SKU: N505A-STMPA240

    Nascom N505A-STMPA240 Magnetic Pull-A-Part Contact with 20 Foot Leads

    • Anodized Aluminium Housing For Maximum Durability
    • Armored Cable Lead Protection
    • Fast And Easy Installation
    • High Security Option Available
    $100.00
    Low Price Guarantee
  9. $74.75
    SKU: N505A-STMPA144

    Nascom N505A-STMPA144 Magnetic Pull-A-Part Contact with 12 Foot Armored Cable Leads

    • Anodized Aluminium Housing For Maximum Durability
    • Armored Cable Lead Protection
    • Fast And Easy Installation
    • High Security Option Available
    $74.75
    Low Price Guarantee
  10. $361.95
    SKU: N505A-STMPA1200

    Nascom N505A-STMPA1200 Magnetic Pull-A-Part Contact with 100 Foot Leads

    • Anodized Aluminium Housing For Maximum Durability
    • Armored Cable Lead Protection
    • Fast And Easy Installation
    • High Security Option Available
    $361.95
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  11. $60.50
    SKU: N505A-STMPA096

    Nascom N505A-STMPA096 Magnetic Pull-A-Part Contact with 8 Foot Armored Cable Leads

    • Anodized Aluminium Housing For Maximum Durability
    • Armored Cable Lead Protection
    • Fast And Easy Installation
    • High Security Option Available
    $60.50
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  12. $65.75
    SKU: N505A-STMPA072SWFL

    Nascom N505A-STMPA072SWFL Magnetic Pull-A-Part Contact with 6 Foot Armored Cable Leads and Shrink Wrap Full Length

    • Anodized Aluminium Housing For Maximum Durability
    • Armored Cable Lead Protection
    • Fast And Easy Installation
    • High Security Option Available
    $65.75
    Low Price Guarantee
  13. $50.35
    SKU: N505A-STMPA072

    Nascom N505A-STMPA072 Magnetic Pull-A-Part Contact with 6 Foot Armored Cable Leads

    • Anodized Aluminium Housing For Maximum Durability
    • Armored Cable Lead Protection
    • Fast And Easy Installation
    • High Security Option Available
    $50.35
    Low Price Guarantee
  14. $46.50
    SKU: N505A-STMPA048

    Nascom N505A-STMPA048 Magnetic Pull-A-Part Contact with 4 Foot Armored Cable Leads

    • Anodized Aluminium Housing For Maximum Durability
    • Armored Cable Lead Protection
    • Fast And Easy Installation
    • High Security Option Available
    $46.50
    Low Price Guarantee
  15. $314.00
    SKU: N505A-STHSMPA840

    Nascom N505A-STHSMPA840 Magnetic Pull-A-Part High Security Contact with 70 Foot Leads

    • Anodized Aluminium Housing For Maximum Durability
    • Armored Cable Lead Protection
    • Fast And Easy Installation
    • High Security Option Available
    $314.00
    Low Price Guarantee
  16. $170.00
    SKU: N505A-STHSMPA5-6K372

    Nascom N505A-STHSMPA5-6K372 Magnetic Pull-A-Part High Security Contact with 5.6K Resistor and 31 Feet Armored Cable

    • Anodized Aluminium Housing For Maximum Durability
    • Armored Cable Lead Protection
    • Fast And Easy Installation
    • High Security Option Available
    $170.00
    Low Price Guarantee
  17. $167.00
    SKU: N505A-STHSMPA5-6K360

    Nascom N505A-STHSMPA5-6K360 Magnetic Pull-A-Part High Security Contact with 5.6K Resistor and 30 Feet Armored Cable

    • Set: Switch/Magnet Special
    • Color: Silver
    • EndofLine (EOL) Resistors: SER
    • Flange: N
    • Switch Size: D0.375" X L3.500"
    $167.00
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  18. $440.40
    SKU: N505A-STHSMPA5-6K1200

    Nascom N505A-STHSMPA5-6K1200 Magnetic Pull-A-Part High Security Contact with 5.6K Resistor and 100 Feet Armored Cable

    • Anodized Aluminium Housing For Maximum Durability
    • Armored Cable Lead Protection
    • Fast And Easy Installation
    • High Security Option Available
    $440.40
    Low Price Guarantee
  19. $146.00
    SKU: N505A-STHSMPA300

    Nascom N505A-STHSMPA300 Magnetic Pull-A-Part High Security Contact with 25 Foot Leads

    • Anodized Aluminium Housing For Maximum Durability
    • Armored Cable Lead Protection
    • Fast And Easy Installation
    • High Security Option Available
    $146.00
    Low Price Guarantee
  20. $76.75
    SKU: N505A-STHSMPA060

    Nascom N505A-STHSMPA060 Magnetic Pull-A-Part High Security Contact with 5 Foot Leads

    • Anodized Aluminium Housing For Maximum Durability
    • Armored Cable Lead Protection
    • Fast And Easy Installation
    • High Security Option Available
    $76.75
    Low Price Guarantee
  21. $196.00
    SKU: N505AS-STHSLP600

    Nascom N505AS-STHSLP600 N505AS Short High Security Loop with 30 Foot Leads

    • High Security Contact
    • 120" Armored Cable Lead Protection
    • No Magnet Required
    • 132" 22AWG Wire Leads
    • Listed To UL634 Standard
    $196.00
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  22. $60.50
    SKU: N505AS-STHSLP5-6K

    Nascom N505AS-STHSLP5-6K N505AS Short High Security Loop with 5.6K Resistor

    • High Security Contact
    • 120" Armored Cable Lead Protection
    • No Magnet Required
    • 132" 22AWG Wire Leads
    • Listed To UL634 Standard
    $60.50
    Low Price Guarantee
  23. $162.00
    SKU: N505AS-STHSLP480

    Nascom N505AS-STHSLP480 N505AS Short High Security Loop with 40 Foot Leads

    • High Security Contact
    • 120" Armored Cable Lead Protection
    • No Magnet Required
    • 132" 22AWG Wire Leads
    • Listed To UL634 Standard
    $162.00
    Low Price Guarantee
  24. $60.50
    SKU: N505AS-STHSLP4-7K

    Nascom N505AS-STHSLP4-7K N505AS Short High Security Loop with 4.7K Resistor

    • High Security Contact
    • 120" Armored Cable Lead Protection
    • No Magnet Required
    • 132" 22AWG Wire Leads
    • Listed To UL634 Standard
    $60.50
    Low Price Guarantee
  25. was $137.00 Special Price $127.00
    SKU: N505AS-STHSLP360

    Nascom N505AS-STHSLP360 N505AS Short High Security Loop with 30 Foot Leads

    • High Security Contact
    • 120" Armored Cable Lead Protection
    • No Magnet Required
    • 132" 22AWG Wire Leads
    • Listed To UL634 Standard
    was $137.00 Special Price $127.00
    Low Price Guarantee
  26. $200.00
    SKU: N505AS-STHSLP33K600

    Nascom N505AS-STHSLP33K600 N505AS Short High Security Loop with 33K Resistor and 30 Foot Leads

    • High Security Contact
    • 120" Armored Cable Lead Protection
    • No Magnet Required
    • 132" 22AWG Wire Leads
    • Listed To UL634 Standard
    $200.00
    Low Price Guarantee
  27. $109.00
    SKU: N505AS-STHSLP300

    Nascom N505AS-STHSLP300 N505AS Short High Security Loop with 25 Foot Leads

    • High Security Contact
    • 120" Armored Cable Lead Protection
    • No Magnet Required
    • 132" 22AWG Wire Leads
    • Listed To UL634 Standard
    $109.00
    Low Price Guarantee
  28. $75.75
    SKU: N505AS-STHSLP240

    Nascom N505AS-STHSLP240 N505AS Short High Security Loop with 20 Foot Leads

    • High Security Contact
    • 120" Armored Cable Lead Protection
    • No Magnet Required
    • 132" 22AWG Wire Leads
    • Listed To UL634 Standard
    $75.75
    Low Price Guarantee
  29. $200.00
    SKU: N505AS-STHSLP2-2K600

    Nascom N505AS-STHSLP2-2K600 N505AS Short High Security Loop with 2.2K Resistor & 50 Foot Leads

    • High Security Contact
    • 120" Armored Cable Lead Protection
    • No Magnet Required
    • 132" 22AWG Wire Leads
    • Listed To UL634 Standard
    $200.00
    Low Price Guarantee
  30. $245.10
    SKU: N505AS-STHSLP1K600

    Nascom N505AS-STHSLP1K600 N505AS Short High Security Loop with 1K Resistor & 50 Foot Leads

    • High Security Contact
    • 120" Armored Cable Lead Protection
    • No Magnet Required
    • 132" 22AWG Wire Leads
    • Listed To UL634 Standard
    $245.10
    Low Price Guarantee
  31. $44.99
    SKU: NDB400AU-ST

    Nascom NDB400AU-ST Direct Burial Switch and Standard Overhead Door Universal Magnet 2 Foot Armored Cable

    • Set: Switch/Magnet Set
    • Color: Brown
    • Flange: N
    • Switch Size: L3.950" X W0.560" X H0.500"
    • Magnet Size: L3.950" X W0.560" X H0.500"
    $44.99
    Low Price Guarantee
  32. $7.87
    SKU: N78WSHK-ST

    Nascom N78WSHK-ST Recessed 1" Ptf Closed Loop Switch and Shark Magnet Set for Steel/Wood Doors, Wire Leads

    • Snap Fit On Steel - No Glue Required
    • Encapsulated Hermetically Sealed Contacts
    • Time Saving Installation
    • No Silicon, No Mess
    • 12" 22AWG Wire Leads
    $7.87
    Low Price Guarantee
  33. $13.35
    SKU: N78CBLK-STFB

    Nascom N400TG-ST2-2K-5W N400T Grey Set with 2.2K 1/2 Watt Resistor

    • Snap Fit On Steel - No Glue Required
    • Encapsulated Hermetically Sealed Contacts
    • 12" 22AWG Wire Leads
    • Polypropylene Housings
    • Wide Gap - N35 NdFeB Rare Earth Magnet
    $13.35
    Low Price Guarantee
  34. $6.69
    SKU: N78CBLK-ST

    Nascom N78CBLK-ST Recessed 3/4" Switch/Magnet Set for Steel/Wood Doors, Wire Leads

    • Snap Fit On Steel - No Glue Required
    • Encapsulated Hermetically Sealed Contacts
    • 12" 22AWG Wire Leads
    • Polypropylene Housings
    • Wide Gap - N35 NdFeB Rare Earth Magnet
    $6.69
    Low Price Guarantee
  35. $8.54
    SKU: N505SU-SW

    Nascom N505SU-SW Short Man Door Surface Mount Aluminum Steel Door Switch Featuring No Dead Spot Technology

    • No Dead Spot Technology
    • Universal Mount
    • Extra Wide Gap - N35 NdFeB Rare Earth Magnet
    • 36" 22AWG Wire Leads
    • 24" Armored Cable Lead Protection
    $8.54
    Low Price Guarantee
  36. $24.00
    SKU: N505SU-ST2XSP

    Nascom N505SU-ST2XSP N505SU Short Universal Flip Set with 2 Extra Spacers

    • No Dead Spot Technology
    • Universal Mount
    • Extra Wide Gap - N35 NdFeB Rare Earth Magnet
    • 36" 22AWG Wire Leads
    • 24" Armored Cable Lead Protection
    $24.00
    Low Price Guarantee
  37. $67.00
    SKU: N505AUTM-STHS

    Nascom N505AUTM-STHS Overhead Door Rail (2-1/4") Mount Single Pole Dble Throw Magnet/Switch Set - No Dead Spot

    • No Dead Spot Technology
    • Extruded Annodized (Type II) Aluminum
    • Quick Switch Nstall - Less Than 60 Seconds
    • Flip The Switch - Gap Is Not Impacted By Cable Direction
    • Universal Mount
    $67.00
    Low Price Guarantee
  38. $46.50
    SKU: N505AUTM-STFB2-2KPRD

    Nascom N505AUTM-STFB2-2KPRD Overhead Door Rail (2-1/4") Mount Open Loop Magnet/Switch Set W 2.2K Res In Series and Red Dot

    • No Dead Spot Technology
    • Extruded Annodized (Type II) Aluminum
    • Quick Switch Nstall - Less Than 60 Seconds
    • Flip The Switch - Gap Is Not Impacted By Cable Direction
    • Universal Mount
    $46.50
    Low Price Guarantee
  39. was $46.75 Special Price $44.50
    SKU: N505AUTM-ST3-3K072

    Nascom N505AUTM-ST3-3K072 N505AU Universal Flip Track Mount Set W 3.3K Res & 6 Foot Leads

    • No Dead Spot Technology
    • Extruded Annodized (Type II) Aluminum
    • Quick Switch Nstall - Less Than 60 Seconds
    • Flip The Switch - Gap Is Not Impacted By Cable Direction
    • Universal Mount
    was $46.75 Special Price $44.50
    Low Price Guarantee
  40. $33.49
    SKU: N505AUTM-ST2-2K

    Nascom N505AUTM-ST2-2K N505AU Universal Flip Track Mount Set with 2.2K Resistor

    • No Dead Spot Technology
    • Extruded Annodized (Type II) Aluminum
    • Quick Switch Nstall - Less Than 60 Seconds
    • Flip The Switch - Gap Is Not Impacted By Cable Direction
    • Universal Mount
    $33.49
    Low Price Guarantee
  41. $37.75
    SKU: N505AUTM-ST1KSP

    Nascom N505AUTM-ST1KSP N505AU Universal Flip Track Mount Set W 1K Res Ser & Par

    • No Dead Spot Technology
    • Extruded Annodized (Type II) Aluminum
    • Quick Switch Nstall - Less Than 60 Seconds
    • Flip The Switch - Gap Is Not Impacted By Cable Direction
    • Universal Mount
    $37.75
    Low Price Guarantee
  42. $63.25
    SKU: N505AUTM-ST1K096

    Nascom N505AUTM-ST1K096 N505AU Universal Flip Track Mount Set with 1K Res and 8 Ft Armored Cable

    • No Dead Spot Technology
    • Extruded Annodized (Type II) Aluminum
    • Quick Switch Nstall - Less Than 60 Seconds
    • Flip The Switch - Gap Is Not Impacted By Cable Direction
    • Universal Mount
    $63.25
    Low Price Guarantee
  43. $34.50
    SKU: N505AUTM-ST1K

    Nascom N505AUTM-ST1K N505AU Universal Flip Track Mount Set with 1K Resistor

    • No Dead Spot Technology
    • Extruded Annodized (Type II) Aluminum
    • Quick Switch Nstall - Less Than 60 Seconds
    • Flip The Switch - Gap Is Not Impacted By Cable Direction
    • Universal Mount
    $34.50
    Low Price Guarantee
  44. $27.41
    SKU: N505AUTM-ST036

    Nascom N505AUTM-ST036 Overhead Door Rail (2-1/4") Mount Magnet/Switch Set, 3 Foot Armor Cable

    • No Dead Spot Technology
    • Extruded Annodized (Type II) Aluminum
    • Quick Switch Nstall - Less Than 60 Seconds
    • Flip The Switch - Gap Is Not Impacted By Cable Direction
    • Universal Mount
    $27.41
    Low Price Guarantee
  45. was $62.00 Special Price $56.50
    SKU: N505AUTMC-STHS

    Nascom N505AUTMC-STHS Overhead Door Rail (2-1/4") Mount Single Pole Dble Throw Magnet/Switch Set - No Dead Spot

    • No Dead Spot Technology
    • Extruded Annodized (Type II) Aluminum
    • Quick Switch Nstall - Less Than 60 Seconds
    • Flip The Switch - Gap Is Not Impacted By Cable Direction
    • Universal Mount
    was $62.00 Special Price $56.50
    Low Price Guarantee
  46. $53.00
    SKU: N505AUTMC-ST1KSP

    Nascom N505AUTMC-ST1KSP Overhead Door Rail (3") Mount Magnet/Switch Set with 1K Res Ser and Par

    • No Dead Spot Technology
    • Extruded Annodized (Type II) Aluminum
    • Quick Switch Nstall - Less Than 60 Seconds
    • Flip The Switch - Gap Is Not Impacted By Cable Direction
    • Universal Mount
    $53.00
    Low Price Guarantee
  47. $44.25
    SKU: N505AUTMC-ST048

    Nascom N505AUTMC-ST048 N505AU Universal Flip Track Mount Set with 4 Ft Armored Cable

    • No Dead Spot Technology
    • Extruded Annodized (Type II) Aluminum
    • Quick Switch Nstall - Less Than 60 Seconds
    • Flip The Switch - Gap Is Not Impacted By Cable Direction
    • Universal Mount
    $44.25
    Low Price Guarantee
  48. $54.25
    SKU: N505AUTMC-ST040

    Nascom N505AUTMC-ST040 Overhead Door Rail (3") Mount Magnet/Switch Set, 40 Inch Armor Cable

    • No Dead Spot Technology
    • Extruded Annodized (Type II) Aluminum
    • Quick Switch Nstall - Less Than 60 Seconds
    • Flip The Switch - Gap Is Not Impacted By Cable Direction
    • Universal Mount
    $54.25
    Low Price Guarantee
  49. $47.75
    SKU: N505AUTMC-ST036

    Nascom N505AUTMC-ST036 Overhead Door Rail (3") Mount Magnet/Switch Set, 3 Foot Armor Cable

    • No Dead Spot Technology
    • Extruded Annodized (Type II) Aluminum
    • Quick Switch Nstall - Less Than 60 Seconds
    • Flip The Switch - Gap Is Not Impacted By Cable Direction
    • Universal Mount
    $47.75
    Low Price Guarantee
  50. $21.75
    SKU: N505AU-SW1KSP

    Nascom N505AU-SW1KSP N505AU Universal Flip Switch W 1K Res Ser & Para

    • No Dead Spot Technology
    • Universal Mount
    • Extra Wide Gap - N35 NdFeB Rare Earth Magnet
    • 36" 22AWG Wire Leads
    • 24" Armored Cable Lead Protection
    $21.75
    Low Price Guarantee

Showing 1-50 of 885 Results

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