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Displaying 21 to 40 (of 363 products)

10 pc NO Recessed Door Contacts (Normally Open) Alarm Door Window Sensors with Magnetic Reed Switch. These ¾” Door Contact Position switches (DCS) Work with All Access Control & Burglar Alarm Systems

$36.74

$ 17 .99 $17.99

5.0
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Garage Door Reed Switch OC-55 NC/NO Surface Mount Wired Door and Window Alarm, Ferromagnetic Door Switch, Contact Sensor for Home Security and Burglar Alarm Reed Switch Silver Grey, Set of 1

$13.99

$ 6 .99 $6.99

4.9
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Magnetic Contact,Recessed Mount

$14.61

$ 7 .99 $7.99

4.3
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N707AU/ST - Ul2 High Security BMS Contact and Standard Magnet Set

$308.69

$ 99 .00 $99.00

5.0
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3 pcs Brown Wired Door Contacts Surface Mount NC Security Alarm Door Window Sensors.These ¾” Door Contact Position switches (DCS) Work with All Access Control and Burglar Alarm Systems

$17.07

$ 8 .99 $8.99

4.6
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10-PACK TANE-PILL TC-WH Tane Surface Mount Alarm Contact Screw Terminals -White, Very Small Window Door Contact Sensors

$37.00

$ 18 .99 $18.99

4.8
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5 pcs Brown Wired Door Contacts Surface Mount NC Security Alarm Door Window Sensors.These ¾” Door Contact Position switches (DCS) Work with All Access Control and Burglar Alarm Systems

$28.62

$ 14 .99 $14.99

4.9
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N505AUTM/ST - Overhead Door Rail (2-1/4') Mount Magnet/Switch Set Featuring No Dead Spot

$49.56

$ 25 .99 $25.99

5.0
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Uxcell a16110800ux0828 9mmx11mm Rubber Anticollision Embedded Soft Stem Bumpers Screw Hole Plugs (Pack of 20)

$7.93

$ 3 .99 $3.99

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Honeywell Ademco 944SP-WH 3/8' Recessed Contact with 3/4' Adapter (White)

$9.00

$ 3 .99 $3.99

4.8
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MSS-310S Surface Mount Door Contact with 1 Switch, 1 Closed Loop, UL Listed, Aluminum Housings, 24' Armored Cable, 2'

$84.90

$ 38 .99 $38.99

5.0
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10 Count Brown Wired Door Contact Sensors, Surface Mount NC, 10 Pcs, 5.5 x 6.5 x 0.75 inches, Hardwired with Battery Backup, Compatible with Access Control & Burglar Alarm Systems

$38.59

$ 19 .99 $19.99

4.3
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Morris Products Roller Ball Door Contact – Open Circuit On – 12 Contact Volts, 1.27 Hole Spacing – For Security, Alarm Systems & Opening, Closing Low Voltage Circuits, Switching Applications pack of 2

$29.42

$ 14 .99 $14.99

4.7
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Honeywell Ademco 947-75TBR Brown Steel Door Contact w/ Terminals

$14.81

$ 7 .99 $7.99

4.8
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10 pk White 3/8' Recessed Wired Security Alarm Door Window Switch Contact Magnet

$24.95

$ 10 .99 $10.99

4.9
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1 pcs White Recessed Door Contacts NC Security Alarm Window Sensors with Magnetic Reed Switch. These ¾” Door Contact Position switches (DCS) Work with All Access Control and Burglar Alarm Systems

$9.80

$ 4 .99 $4.99

4.5
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Honeywell Ademco 7939WG-BR Surface Mount Contact Brown 7939WGBR

$22.12

$ 10 .99 $10.99

4.7
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20 pcs Brown Wired Door Contacts Surface Mount NC Security Alarm Door Window Sensors.These ¾” Door Contact Position switches (DCS) Work with All Access Control and Burglar Alarm Systems

$73.56

$ 28 .99 $28.99

4.4
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Edwards Signaling 2304A-L CURTAIN DOOR CONTACT, FORM C

$73.71

$ 30 .99 $30.99

4.4
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Honeywell Ademco 7940WH White Universal Contact SPST

$41.80

$ 21 .99 $21.99

4.5
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Displaying 21 to 40 (of 363 products)