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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

$11.67
  • Condition: New
  • Ships from: New York, US
  • Seller: za742813 (100% 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

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