Wired contacts are easy to use with any hardwired security panel.
Magnetic door window contact reed switch how to adjust.
These are the reed switches i use from amazon.
An electrical circuit is closed when a magnet is near the switch indicating the opening is shut.
Mount the magnet to the door or window and mount the switch to the frame.
Most hardwired alarm systems use a magnetic reed switch on each door and window.
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The alarm will activate when the magnet is pulled away by the opening door or window.
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Purchase your wired door and window contacts from the alarm grid website.
Spdt switches connect to an alarm system and to another device such as a motion detector.
These come in many styles to match the wide variety of doors and windows available but all operate on the same principal.
They can also interface with wireless security systems if a wired to wireless converter is used.
Wire contacts to an alarm system to alert when doors or windows are opened.
Door and window contacts are important for any security system.
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Xin sheng 3 sets of mc 38b nc no embedded magnetic gap switch for door and window sensor for home security.
Magnetic reed switch re installation diy.
Gufasotre 5pcs recessed door contacts nc security alarm window sensors with magnetic reed switch.