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Magnetic Reed Switch NC Surface Mount Wired Door Window with Cover for Home a...

Magnetic Reed Switch NC Surface Mount Wired Door Window with Cover for Home a...

$14.44
  • Condition: New
  • Ships from: Anaheim, US
  • Seller: tan9320 (99.8% positive)
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About this item

A magnetic door can only provide a switching signal to the device. Normally Closed(NC): When the switch is close to the magnet, the circuit is conductive(light on); when the switch is separated from the magnet, the circuit is not conductive(light off).

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