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Magnetic Reed Switch Wired Surface Mount Normally Open/Closed NC/NO Contact Sensor Alarm Magnetic Door Switch with 3 Wires, Zinc Alloy Sliver, OC-60

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$15.49

$ 5 .99 $5.99

In Stock

1.Model:No Mc-51 Sliver 1pc


About this item

  • 【Size】Body size(approx.): 100*38*9.5 106*16*16mm(L*W*H), Cable length: 500mm/19.7", Action Distance:50-70mm/2"-2.8", package include 1 pair.
  • 【Material】The magnetic switch alarm is with zinc alloy housing for better rust resistance, durable and high strength.
  • 【NO/NC】Normally open /normally closed type with 3 wire, Pls choice N.O.or N.C. according to your need.
  • 【Application】This magnetic contact switch is usually used for metal door/windows include rolling Door. The door contact can be used with an access control or anti-theft alarm system.
  • 【Note】The Magnetic Door Switch must be installed as per the sensing distance. It can only provide a switch signal to the transmitter. It can't directly load the power, nor directly connect the lamp.


Magnetic contacts is widely used for alarm system(panel) to detect state of door/window. It consist of a reed switch part and a magnet part . When door closed, reed switch is effected by magnet and turn ON; when door open, reed switch is effected by magnet and turn OFF, trigger alarm.