MC-31 Surface-Mounted NC Door Contact Sensor Alarm Reed Switch 10 Set
$12.97
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MC-31 Surface-Mounted NC Door Contact Sensor Alarm Reed Switch 10 Set
$12.97
View this item on eBay
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About this item
The reed switch is an electrical switch operated by an applied field. Normally closed type, when the switch and magnet is close to each other the switch is closed, otherwise it will be open. Designed for use with alarm systems.
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