Shop alarm contacts on a door

Sponsored
$18.49
5V-12V - Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch, DC 5Vto12v - (Black)
Automatics & More
$18.49
5V-12V - Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch, DC 5Vto12v - (Black)
Automatics & More
$223.92
$319.92
Simplisafe Wireless Panic Button System Starter
SimpliSafe, Inc.
Free shipping
30% off
$223.92
$319.92
Simplisafe Wireless Panic Button System Starter
SimpliSafe, Inc.
$24.99
Bnafes Magnetic Reed Switch MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch - (10 Sets)
Amazon.com
$24.99
Bnafes Magnetic Reed Switch MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch - (10 Sets)
Amazon.com
$40.56
Tane Alarm Products | STB-3/8TC | 3/8 in Terminal Contact(10 PAK)
Kele
$40.56
Tane Alarm Products | STB-3/8TC | 3/8 in Terminal Contact(10 PAK)
Kele
$50.10
2205A-L - Edwards Signaling MAGIC CONTACT,OVERHEAD DOOR,F , Walker Industrial
Walker Industrial
$50.10
2205A-L - Edwards Signaling MAGIC CONTACT,OVERHEAD DOOR,F , Walker Industrial
Walker Industrial
$11.55
Seco-Larm SM-4601-LQ Industrial Wide Gap Contact | Alarm Switches
Newark
$11.55
Seco-Larm SM-4601-LQ Industrial Wide Gap Contact | Alarm Switches
Newark
$50.10
2315A-L - Edwards Signaling MAGIC CONTACT,OVERHEAD DOOR,P , Walker Industrial
Walker Industrial
$50.10
2315A-L - Edwards Signaling MAGIC CONTACT,OVERHEAD DOOR,P , Walker Industrial
Walker Industrial
$16.30
Seco-Larm SM-4601-L3Q Industrial Wide Gap Contact | Alarm Switches
Newark
79
$16.30
Seco-Larm SM-4601-L3Q Industrial Wide Gap Contact | Alarm Switches
Newark
$2.55
Seco-Larm SM-4303-TQ/W Roller-Ball Quick Connectorect | Alarm Switches
Newark
$2.55
Seco-Larm SM-4303-TQ/W Roller-Ball Quick Connectorect | Alarm Switches
Newark
$621.00
BEA DOOR SENSORS & SECURITY 10FALCON - Security & Security Motion Detector Supplies
Radwell.com
$621.00
BEA DOOR SENSORS & SECURITY 10FALCON - Security & Security Motion Detector Supplies
Radwell.com
$10.25
Honeywell Ademco 7939WG-BR Surface Mount Contact, Brown
JMAC
15
$10.25
Honeywell Ademco 7939WG-BR Surface Mount Contact, Brown
JMAC
$8.45
Wired Door Contacts Surface Mount NC Security Alarm Door Window Sensors - Brown | Authorizid
Intellid Products
$8.45
Wired Door Contacts Surface Mount NC Security Alarm Door Window Sensors - Brown | Authorizid
Intellid Products
$185.00
Detex Eax-300 | Door Propped Alarm | Exit Devices, Alarms & Panic Bars
Qualified Hardware
Free shipping
$185.00
Detex Eax-300 | Door Propped Alarm | Exit Devices, Alarms & Panic Bars
Qualified Hardware
$6.29
Uxcell Home Wired Alarm Security Magnetic Door Contact Reed Sensor Switch White 2 Sets | Harfington
harfington
$6.29
Uxcell Home Wired Alarm Security Magnetic Door Contact Reed Sensor Switch White 2 Sets | Harfington
harfington
$18.29
1078C-N Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$18.29
1078C-N Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
Valin Process Control Solutions
$23.50
Honeywell Ademco 958 Overhead Door Magnetic Contact
JMAC
201
$23.50
Honeywell Ademco 958 Overhead Door Magnetic Contact
JMAC
$15.75
Wired Door Contacts Surface Mount NC Security Alarm Door Window Sensors - White, 3 Pcs | Authorizid
Intellid Products
$15.75
Wired Door Contacts Surface Mount NC Security Alarm Door Window Sensors - White, 3 Pcs | Authorizid
Intellid Products
$78.80
2304A-L - Edwards Signaling CURTAIN DOOR CONTACT, FORM C , Walker Industrial
Walker Industrial
$78.80
2304A-L - Edwards Signaling CURTAIN DOOR CONTACT, FORM C , Walker Industrial
Walker Industrial
$0.57
UTC Interlogix (Formerly GE Security/Sentrol) 1076-N Recessed Steel Door Contact, Wire Leads, 1" Diameter, SPDT, 1/2" Gap, White
JMAC
$0.57
UTC Interlogix (Formerly GE Security/Sentrol) 1076-N Recessed Steel Door Contact, Wire Leads, 1" Diameter, SPDT, 1/2" Gap, White
JMAC
$25.99
Door Contacts Surface Mount NC Security Alarm Door Window Sensors With Magnetic Reed Switch - 5 Pcs | Authorizid
Intellid Products
$25.99
Door Contacts Surface Mount NC Security Alarm Door Window Sensors With Magnetic Reed Switch - 5 Pcs | Authorizid
Intellid Products
$14.99
Simplisafe Entry Sensor - Window And Door Protection - Compatible With Gen 3 Home Security System
Amazon.com
3K+
$14.99
Simplisafe Entry Sensor - Window And Door Protection - Compatible With Gen 3 Home Security System
Amazon.com
$7.72
GRI Surface Mount Door Contacts 29A
Maglocks.com
$7.72
GRI Surface Mount Door Contacts 29A
Maglocks.com
$230.00
Detex Ecl-230D | Alarmed Panic Exit Device | Exit Devices, Alarms & Panic Bars
Qualified Hardware
65
Free shipping
$230.00
Detex Ecl-230D | Alarmed Panic Exit Device | Exit Devices, Alarms & Panic Bars
Qualified Hardware
$16.95
Overhead Door Floor Garage Roll-Up Shutter Contact Sensor Security Alarm Switch
Walmart
1
$16.95
Overhead Door Floor Garage Roll-Up Shutter Contact Sensor Security Alarm Switch
Walmart
$192.45
$274.95
Simplisafe Wireless Home Security System
SimpliSafe, Inc.
Free shipping
30% off
$192.45
$274.95
Simplisafe Wireless Home Security System
SimpliSafe, Inc.
$7.49
2Pcs Rc-33 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White
Walmart
Free shipping
$7.49
2Pcs Rc-33 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White
Walmart
$160.00
Detex Eax-500 | Surface Mounted Exit Alarm (Limited Availability)
Qualified Hardware
7
Free shipping
$160.00
Detex Eax-500 | Surface Mounted Exit Alarm (Limited Availability)
Qualified Hardware
$11.99
Recessed Door Contact Roller Ball Plunger With Terminal For Home Alarm Systems
eBay.com
Free shipping
$11.99
Recessed Door Contact Roller Ball Plunger With Terminal For Home Alarm Systems
eBay.com
$8.99
2Pcs Rc-36 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch Brown
Walmart
Free shipping
$8.99
2Pcs Rc-36 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch Brown
Walmart
$12.57
1078CT-N Edwards Sentrol 3/4 in Steel Door Contact W/Terminals
Valin Process Control Solutions
$12.57
1078CT-N Edwards Sentrol 3/4 in Steel Door Contact W/Terminals
Valin Process Control Solutions
$97.88
Edwards Signaling Curtain Door Contact SPDT (2304A-L)
Lighting Supply
$97.88
Edwards Signaling Curtain Door Contact SPDT (2304A-L)
Lighting Supply
$13.99
Seco-Larm SM-4601-LQ Wide Gap Gate And Doors Magnetic Contact
EliteGates.Net
$13.99
Seco-Larm SM-4601-LQ Wide Gap Gate And Doors Magnetic Contact
EliteGates.Net
$5.33
Alarm Contact Sensor
Ring
$5.33
Alarm Contact Sensor
Ring
$12.00
HONEYWELL 7939WG-WH - Security & Security Contact Switch Supplies
Radwell.com
357
$12.00
HONEYWELL 7939WG-WH - Security & Security Contact Switch Supplies
Radwell.com
$87.00
GE Security 1076H-N Recessed Steel Door Contact (White)
Keyless Access Locks
$87.00
GE Security 1076H-N Recessed Steel Door Contact (White)
Keyless Access Locks
$7.18
Uxcell Home Office Door Window Recessed Wired Sensor Security Alarm Contacts Magnetic Reed Switch 3Pcs | Harfington
harfington
2
$7.18
Uxcell Home Office Door Window Recessed Wired Sensor Security Alarm Contacts Magnetic Reed Switch 3Pcs | Harfington
harfington
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    Shop alarm contacts on a door

    Sponsored
    $18.49
    5V-12V - Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch, DC 5Vto12v - (Black)
    Automatics & More
    $18.49
    5V-12V - Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch, DC 5Vto12v - (Black)
    Automatics & More
    $223.92
    $319.92
    Simplisafe Wireless Panic Button System Starter
    SimpliSafe, Inc.
    Free shipping
    30% off
    $223.92
    $319.92
    Simplisafe Wireless Panic Button System Starter
    SimpliSafe, Inc.
    $24.99
    Bnafes Magnetic Reed Switch MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch - (10 Sets)
    Amazon.com
    $24.99
    Bnafes Magnetic Reed Switch MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch - (10 Sets)
    Amazon.com
    $40.56
    Tane Alarm Products | STB-3/8TC | 3/8 in Terminal Contact(10 PAK)
    Kele
    $40.56
    Tane Alarm Products | STB-3/8TC | 3/8 in Terminal Contact(10 PAK)
    Kele
    $50.10
    2205A-L - Edwards Signaling MAGIC CONTACT,OVERHEAD DOOR,F , Walker Industrial
    Walker Industrial
    $50.10
    2205A-L - Edwards Signaling MAGIC CONTACT,OVERHEAD DOOR,F , Walker Industrial
    Walker Industrial
    $11.55
    Seco-Larm SM-4601-LQ Industrial Wide Gap Contact | Alarm Switches
    Newark
    $11.55
    Seco-Larm SM-4601-LQ Industrial Wide Gap Contact | Alarm Switches
    Newark
    $50.10
    2315A-L - Edwards Signaling MAGIC CONTACT,OVERHEAD DOOR,P , Walker Industrial
    Walker Industrial
    $50.10
    2315A-L - Edwards Signaling MAGIC CONTACT,OVERHEAD DOOR,P , Walker Industrial
    Walker Industrial
    $16.30
    Seco-Larm SM-4601-L3Q Industrial Wide Gap Contact | Alarm Switches
    Newark
    79
    $16.30
    Seco-Larm SM-4601-L3Q Industrial Wide Gap Contact | Alarm Switches
    Newark
    $2.55
    Seco-Larm SM-4303-TQ/W Roller-Ball Quick Connectorect | Alarm Switches
    Newark
    $2.55
    Seco-Larm SM-4303-TQ/W Roller-Ball Quick Connectorect | Alarm Switches
    Newark
    $621.00
    BEA DOOR SENSORS & SECURITY 10FALCON - Security & Security Motion Detector Supplies
    Radwell.com
    $621.00
    BEA DOOR SENSORS & SECURITY 10FALCON - Security & Security Motion Detector Supplies
    Radwell.com
    $10.25
    Honeywell Ademco 7939WG-BR Surface Mount Contact, Brown
    JMAC
    15
    $10.25
    Honeywell Ademco 7939WG-BR Surface Mount Contact, Brown
    JMAC
    $8.45
    Wired Door Contacts Surface Mount NC Security Alarm Door Window Sensors - Brown | Authorizid
    Intellid Products
    $8.45
    Wired Door Contacts Surface Mount NC Security Alarm Door Window Sensors - Brown | Authorizid
    Intellid Products
    $185.00
    Detex Eax-300 | Door Propped Alarm | Exit Devices, Alarms & Panic Bars
    Qualified Hardware
    Free shipping
    $185.00
    Detex Eax-300 | Door Propped Alarm | Exit Devices, Alarms & Panic Bars
    Qualified Hardware
    $6.29
    Uxcell Home Wired Alarm Security Magnetic Door Contact Reed Sensor Switch White 2 Sets | Harfington
    harfington
    $6.29
    Uxcell Home Wired Alarm Security Magnetic Door Contact Reed Sensor Switch White 2 Sets | Harfington
    harfington
    $18.29
    1078C-N Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
    Valin Process Control Solutions
    $18.29
    1078C-N Edwards Sentrol 3/4 in Steel Door Contact W/Wire Leads
    Valin Process Control Solutions
    $23.50
    Honeywell Ademco 958 Overhead Door Magnetic Contact
    JMAC
    201
    $23.50
    Honeywell Ademco 958 Overhead Door Magnetic Contact
    JMAC
    $15.75
    Wired Door Contacts Surface Mount NC Security Alarm Door Window Sensors - White, 3 Pcs | Authorizid
    Intellid Products
    $15.75
    Wired Door Contacts Surface Mount NC Security Alarm Door Window Sensors - White, 3 Pcs | Authorizid
    Intellid Products
    $78.80
    2304A-L - Edwards Signaling CURTAIN DOOR CONTACT, FORM C , Walker Industrial
    Walker Industrial
    $78.80
    2304A-L - Edwards Signaling CURTAIN DOOR CONTACT, FORM C , Walker Industrial
    Walker Industrial