5 Sets Magnetic Contacts Wired Window Door Contact Sensor Magnetic Reed Switch NC Surface Mounted Alarm Switch Sensor
This Magnetic Reed Switch, made of ABS material, is a NC/ normally closed type
switch with screws for intrusion detectors for door and window switches
 
Product Features
  

         
Switch Type: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 ).
         
Function : Usually when the door and window are closed, the switch contact is affected by the magnetic field to form a conducting state; When the door and window are illegally opened, the magnet is far away from the switch, the switch contact is disconnected, that is, the alarm is triggered.
         
Product composition: The door magnetic switch is an intrusion detector used to detect the door and window switch in the anti-theft system, which is composed of reed tube switch and magnet. 4.Installation environment: can be used for industrial equipment and household appliances, during the installation process, do not knock, to avoid damage to the internal components, the magnet part and the switch part should be parallel aligned, good position.
         
Installation environment: can be used for industrial equipment and household appliances, during the installation process, do not knock, to avoid damage to the internal components, the magnet part and the switch part should be parallel aligned, good position.
         
Install Distance :Gap between 2 pieces more than 20mm