MC-31 Surface Mount Wired Door Contact Sensor Alarm Reed Switch 5 Pair
$12.97
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE MC-31 Surface-Mounted NC Door Contact Sensor Alarm Reed Switch 10 Set
$12.32$12.97
View this item on eBay
SafeHouseHub is reader-supported. When you buy through links on this page we may earn an affiliate commission from eBay, at no additional cost to you. Read our affiliate disclosure.
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.
Similar items
View
SALE Door Window NC Contact Security Safety Alarm Magnetic Sensor Reed Switch Set
$13.99$16.46
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE MC-31 Wired Contact Alarm Reed Switch for Door White 5 Sets 20x Screws
$12.32$12.97
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE 1 Set RC-33B NC Magnetic Window Door Contact Alarm Reed Switch Recessed
$11.77$12.39
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
10*31B For Security Magnetic Reed Switch NC NO Combined Door Contact Sensor G
$23.58
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE Door Window NC Contact Security Safety Alarm Magnetic Sensor Reed Switch
$12.25$12.89
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE 10*31B For Security Magnetic Reed Switch NC NO Combined Door Contact Sensor A
$22.17$25.19
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
10*31B For Security Magnetic Reed Switch NC NO Combined Door Contact Sensor E
$23.58
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
MC-31 Door Alarm Window Security Door Switch Wired Contact 10x
$12.97
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE MC-31 Door Alarm Window Security Door Switch Wired Contact 10x
$7.94$8.63
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
10*31B For Security Magnetic Reed Switch NC NO Combined Door Contact Sensor B
$25.19
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
10*31B For Security Magnetic Reed Switch NC NO Combined Door Contact Sensor F
$23.82
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.