In Stock

2 in stock



Magnetic door contact switch alarm normally close


  • Can be configured with different hosts to issue loud alarm sound and scare off illegal persons.
  • High sensitivity, achieve effective effects of alarming and theft prevention.
  • Normal open and normal close output mode, 15-25mm long working distance, safe andreliable.
  • It is especially designed for shops, shops, garages and other similar places.
  • When the magnet is close to the switch, the reed switch contacts stay close and the signal line is connected. If the door is opened, the magnet leaves the switch, the reed contact is disconnected, and the signal line is interrupted, which is called open circuit alarm.


Operating distance: 15-25 mm
Maximum operating current: 0.5 A maximum
Operating voltage: 100 V DC
Power contact: 10W
Size (L x W x H): Approx 33.5 x 13.5 x 9 mm
Cable length: Approx 30cm
Separation of the mounting hole: About 25 mm
White color
Material: Plastic
Package content:1 x Magnetic Door Switch
4 x mounting screws
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is /- 1-3cm.


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