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MC-31 Surface Mount Wired Door Contact Sensor Alarm Reed Switch 5 Pair

MC-31 Surface Mount Wired Door Contact Sensor Alarm Reed Switch 5 Pair

$12.97
  • Condition: New
  • Ships from: CN
  • Seller: sk55_56 (100% positive)
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About this item

The reed switch is an electrical switch operated by an applied field. Normally closed type, when the switch and magnet is close to each other the switch is closed, otherwise it will be open. Designed for use with alarm systems.

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