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Magnetic Reed Switch NC NO COM Surface Mount Wired Door Window Contact Sensor...

Magnetic Reed Switch NC NO COM Surface Mount Wired Door Window Contact Sensor...

$23.88
  • Condition: New
  • Ships from: Eugene, US
  • Seller: saso27 (99.8% positive)
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About this item

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). Normally Opened(NO): When the switch is separated from the magnet, the circuit is conductive(light on); When the switch is close to the magnet, the circuit is not conductive(light off).

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