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How the Magnetic contact sensor works

  • Author:Helen Li
  • Source:Unifire technology
  • Release on:2016-06-23
How the Magnetic contact sensor works?

Magnetic contacts are the most common sensing devices for sensing opening and closing of doors and windows. They are cheap and reliable.
Such sensors consist of two parts - A  contact that is installed on the door / window frame and an Activating magnet that is mounted on the door. The magnetic  is held in no-alarm contact position when door / window is kept closed. 

These are installed on a door or window in such a way that opening the door or window causes the magnet to move away from the contact switch which activates the alarm. They have proved to be a tried and tested method of monitoring any of the operable openings in the houses / apartments. 

These contacts are available in variety of finishes & materials. Heavy duty versions are also available for heavy doors, shutters and gates. The magnetic switches normally have both 'Normally open' & 'Normally Closed' contacts for easier integration with alarm systems.

With High quality reed switches, our series magnetic contacts provide excellent solution for access control system and intrusion alarm system. With CE certification, it could work with almost all alarm panels and access controllers.

Our hardwired Magnetic Contact can work with Honeywell/ADEMCO hardwired alarm control panels.