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5 Pack Surface Mounted NC Magnetic Door Contacts Switch Sensor for Alarm

5 Pack Surface Mounted NC Magnetic Door Contacts Switch Sensor for Alarm

$12.36
  • Condition: New
  • Ships from: Eugene, US
  • Seller: seender04 (99.1% positive)
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About this item

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 Material: ABS plastic Color: white Pack: 5pairs/bag Small size, nice looking, ideal for window or wooden door Screws installation make it more firm ABS normally closed door contact switch, alarm when the magnet part away Application: door / window entry burglar alarm system NC magnetic contact switch sensor

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