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2pcs MC-38 Surface Mount Wired NC Door Sensor Alarm Magnetic Reed Switch White SALE

2pcs MC-38 Surface Mount Wired NC Door Sensor Alarm Magnetic Reed Switch White

$14.38$16.92
  • Condition: New
  • Ships from: US
  • Seller: gadgetszone (99.6% positive)
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About this item

1.NO means Normally Open: when the magnet separate, the circuit is conductive( light on );When the magnet together, the circuit is not conductive ( light off ).When make order,pls check carefully! 2.NC means Normally Closed: when the magnet separate, the circuit is not conductive( light off );When the magnet together, the circuit is conductive ( light on ).When make order,pls check carefully!Note: Door magnetic induction can only provide a switch signal, which can not directly load the power, nor directly connect the lamp!.

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