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5 Sets of 3/4" Flush Mounted Magnetic Door Alarm Switch Sensors NC Type

5 Sets of 3/4" Flush Mounted Magnetic Door Alarm Switch Sensors NC Type

$15.99
  • Condition: New
  • Ships from: Miami, US
  • Seller: ramoz_31 (99.8% positive)
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About this item

It can't work alone, needs to connect with alarm systems to received the signal of door states. NC type: when door is closed, switch is closed loop, when door is open, switch is open loop. Actuator Type NC Reed Switch.

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