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NC NO Contact Switch Door Sensor Wired Metal Roller Shutter Door Home A

NC NO Contact Switch Door Sensor Wired Metal Roller Shutter Door Home A

$10.02
  • Condition: Brand New
  • Ships from: CN
  • Seller: s12_11 (93.9% positive)
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About this item

Normally closed type: When the magnet and the reed switch are together, they are in the on state (NC). Normally open type: When the magnet and the reed switch are together, they are in the off state (NO).

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