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MC-38B Door/Window Sensor N/C N/O Switch Magnetic Alarm Normally Closed/Opened. SALE

MC-38B Door/Window Sensor N/C N/O Switch Magnetic Alarm Normally Closed/Opened.

$4.05$4.31
  • Condition: New
  • Ships from: CN
  • Seller: cowramill (99.6% positive)
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About this item

Normally open: When the magnet and reed switch are together, they are in the off state (NO). Normally closed type: When the magnet and reed switch are together, they are in a conductive state (NC). Door magnetic switch (Set) 1.

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