Best Door Alarm Magnetic Contacts in 2022 [*Top Picks*]

Looking for the best door alarm magnetic contacts on the market? We’ve got you covered. Check out our ratings of absolute bestsellers below and make a final decision.

1725 Reviews Scanned

  • QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch, White, Pack of 5 with 20 Screws
    Bestseller #1
    QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch, White, Pack of 5 with 20 Screws (3376)
      Product Information: Product name: Surface-mounted Magnetic Door Switch, Type: MC-31, Color: White, Material: Plastic Specification: Contact Type: NC, Hole Dia.: 5.8mm, Actuation Distance: 8mm±18mm Sizes: 64*12.*12mm and 64*20*12mm(L * W * H) NC Type: NC means normally closed. If the magnet is closed to this switch, the signal is conductive, otherwise, if the magnet is far away from this switch, the signal is disconnected. Applications: It is suitable for magnetic windows, doors, cabinets etc. Ideal for door, window security.
  • 10pcs RC-33 NC Recessed Wired Window Door Contact Sensor Alarm Magnetic Reed Switch White
    Bestseller #1
    10pcs RC-33 NC Recessed Wired Window Door Contact Sensor Alarm Magnetic Reed Switch White (30)
      RC-33 NC Recessed Wired Window Door Contact Sensor Alarm Magnetic Reed Switch Magnet near together, the switch is closed.
      And the switch and magnet is separate, the switch is open. NC means Normally Closed: When the magnet together, the circuit is conductive( light on ); when the magnet separate, the circuit is not conductive ( light off ). NC means Normally Closed:When the magnet together, the circuit is conductive( light on ); when the magnet separate, the circuit is not conductive ( light off ). Each Size(Approx): 17 x 10.6mm / 0.67 x 0.42-inch (H*D)

      Cable Length(Each): 25cm / 9.8-inch

  • UHPPOTE Normal Closed Wired Screw-Terminal Surface-Mount Magnetic Contact for Window Door Security (Pack of 5)
    Bestseller #1
    UHPPOTE Normal Closed Wired Screw-Terminal Surface-Mount Magnetic Contact for Window Door Security (Pack of 5) (158)
      Switch Type: NC (Normal closed type) This Contact Works with Any Access Control or Burglar Alarm System Available This contact can't connect directly to power, it works with your alarm system provide a switch signal. Working current under 12V Great for use in family and factory window, door. etc. NC means Normally Closed: When the magnet together, the circuit is conductive (light on); When the magnet separate, the circuit is not conductive (light off).
  • Heavy Duty Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC with Adjustable Bracket
    Bestseller #1
    Heavy Duty Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC with Adjustable Bracket (24)
      Suitable for roller shutter doors, garage doors. Metal zinc alloy housing For home burglar alarm system, important kits of home security. With adjustable bracket , easy for mounting. Surface mounted on the ground with ≥ 50 mm operation gap NC contact type , switch OFF when magnet away
  • QMseller MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch 2 Sets
    Bestseller #1
    QMseller MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch 2 Sets (274)
      Product Name: Magnetic Door Switch; Model: MC-33C Contact Type: NC (Normally Closed) Work as an anti-theft alarm, ideal for metal door and window NC means Normally Closed:When the magnet together, the circuit is conductive( light on ); when the magnet separate, the circuit is not conductive ( light off ) These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system
  • 2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch for GPS,Alarm or Other Device,DC 5V 12V 24V Light
    Bestseller #1
    2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch for GPS,Alarm or Other Device,DC 5V 12V 24V Light (239)
      ➤➤Product Name: Magnetic Door Swith; Maximum Switch Voltage: 100V;Contact Capacity: 500(mA) (Maximum Switch Current);Rated Power: 10W(Maximum Switch Power); Contact Type: NC/NO/COM,Trigger Range: 5-20mm; ➤➤Great for alarm,LED,Relay,GPS low voltage devices...etc.,Great for pick-ups with sliding rear window.Effective for Theft Deterrence. ➤➤Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors,Surface-mounted magnetic contact, ideal wooden door or window use. ➤➤Package Content: 2 Sets x Magnetic Door Swith; Size: 55*12.5*11.5mm / 2.17" x 0.45" x 0.45"(L*W*H) a package of screws for mounting on wood only. ➤➤【After-Sales Service】 If you do not satisfy with Magnetic Reed Switch or if you have any questions, please come to us anytime. We would solve all the problems to your satisfaction. We offer 12 hours quick response service. We promise to solve any problem for you.
  • 2X Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch, DC 5Vto12V Light (Black)
    Bestseller #1
    2X Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch, DC 5Vto12V Light (Black) (88)
      ➤【Reed Switch】:Great for alarm,LED,Relay,GPS low voltage devices...etc.,Great for pick-ups with sliding rear window.Effective for Theft Deterrence. ➤【Maximum Switch Voltage】: 100V;Contact Capacity: 500(mA) (Maximum Switch Current);Rated Power: 10W(Maximum Switch Power); Contact Type: NC/NO/COM,Trigger Range: 10-20mm;This switch cannot exceed the DC12v power supply ➤【Product Name】: Magnetic Door Swith; Color: black; Material: Anti-fire ABS material.;Net Weight: 42g. ➤【Safety Protection】: Magnetic Contact sensors can be added to an existing wired Alarm Systems. They are ideal for protecting doors,Surface-mounted magnetic contact, ideal wooden door or window use. ➤【Package Content】: 2 Sets x Magnetic Door Swith; Size: 55*12.5*11.5mm / 2.17" x 0.45" x 0.45"(L*W*H) a package of screws for mounting on wood only.
  • Honeywell 951WG-WH Stubby Recessed Magnetic Contact Switch
    Bestseller #1
    Honeywell 951WG-WH Stubby Recessed Magnetic Contact Switch (278)
      Honeywell Home 951WG-WH 3/8" Diameter Miniature Press Fit Magnetic Contact, White
  • 10 Sets Pack of Surface Mounted Alarm Magnetic Contacts Door Window Reed Switch Sensor with Double Side Tape
    Bestseller #1
    10 Sets Pack of Surface Mounted Alarm Magnetic Contacts Door Window Reed Switch Sensor with Double Side Tape (24)
      Suitable for wooden/glass/plastic material doors For home burglar alarm system, important kits of home security. Screws terminal connection inside , easy for mounting and connecting to systems. Surface mounted with double side tape , ≥ 15mm operation gap NC type , normally closed : Switching OFF when door is opened
  • Dahszhi Home Security Wired Rolling Door Contact Magnetic Reed Switch Alarm
    Bestseller #1
    Dahszhi Home Security Wired Rolling Door Contact Magnetic Reed Switch Alarm (242)
      [Material] - The magnetic switch alarm is with premium zinc alloy housing for better rust resistance. [Dimension] - Cable Length:44cm/17" ; Please see the second picture for detail sizes. [Specification] - Current:0.5A ;Voltage:100V ;Action Distance:45~60mm ;Power Rating:10W [Applicable Places] - - The Rolling Magnetic Contact Switch is designed for alarm system. Suitable for garage, shop installed shutter door applicable. [Good Guard to Keep Your Home Safe] - Sharp alarm will be heard when someone opens door or window in arming status,The reed switch is an electrical switch operated by an applied magnetic field. Keep your home safe with this door security alarm.
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