5 Pack NC Magnetic Switch Contacts Door Sensor for Home Alarm Security System

Magnetic contacts is widely used for alarm system(panel) to detect state of door. 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.
Contact type : NC (generally closed),switch OFF when door is opened
Subject material: ABS plastic
Color: white
Pack: 5pairs/bag
Operation gap : ≥ 20mm Mounting type : Surface mounting
Max. voltage : 28V DC
Max. current : 0.2A
Max. load : 3W
Subject material : ABS plastic

Screw terminal surface mounted magnetic contacts
Nice taking a look and easy install
Attractive cover assists in keeping mounting screws and terminal screws hidden
Mounting screws included
Great to be used in circle of relatives and factory window, door, and the like.
This contact works with any wired burglar alarm system or wired get admission to regulate to be had