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1 Set RC-33B NC Magnetic Window Door Contact Alarm Reed Switch Recessed

1 Set RC-33B NC Magnetic Window Door Contact Alarm Reed Switch Recessed

$8.82
  • Condition: Brand New
  • Ships from: CN
  • Seller: soluy88 (99.5% positive)
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About this item

Description: Easy to install and easy to use. Widely used in security window door carbinet contact. Recessed mounting, white ABS fireproof plastic shell which has a long machanical life. NC means Normally Closed:When the magnet together, the circuit is conductive( light on ); when the magnet separate, the circuit is not conductive ( light off ). When make order,pls check carefully!.

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