











Recent Purchase
tad***
Special Features:Door window open alarm;Use:Alarm System;
$140.41
23 days ago
vlu***
Special Features:Door window open alarm;Use:Alarm System;
$73.90
9 hours ago
zjm***
Special Features:Door window open alarm;Use:Alarm System;
$44.34
19 days ago
ika***
Special Features:Door window open alarm;Use:Alarm System;
$44.34
39 days ago
ruz***
Special Features:Door window open alarm;Use:Alarm System;
$118.24
17 days ago
vzg***
Special Features:Door window open alarm;Use:Alarm System;
$22.17
19 days ago
pdv***
Special Features:Door window open alarm;Use:Alarm System;
$118.24
47 days ago
pfn***
Special Features:Door window open alarm;Use:Alarm System;
$36.95
40 days ago
hnq***
Special Features:Door window open alarm;Use:Alarm System;
$110.85
12 days ago
eww***
Special Features:Door window open alarm;Use:Alarm System;
$133.02
5 days ago
tpc***
Special Features:Door window open alarm;Use:Alarm System;
$59.12
20 days ago
tof***
Special Features:Door window open alarm;Use:Alarm System;
$88.68
5 days ago
uzw***
Special Features:Door window open alarm;Use:Alarm System;
$44.34
36 days ago
qba***
Special Features:Door window open alarm;Use:Alarm System;
$29.56
30 days ago
hue***
Special Features:Door window open alarm;Use:Alarm System;
$133.02
1 day ago
zxw***
Special Features:Door window open alarm;Use:Alarm System;
$147.80
36 days ago
eex***
Special Features:Door window open alarm;Use:Alarm System;
$22.17
47 days ago
bdm***
Special Features:Door window open alarm;Use:Alarm System;
$59.12
36 days ago
irk***
Special Features:Door window open alarm;Use:Alarm System;
$125.63
48 days ago
ljx***
Special Features:Door window open alarm;Use:Alarm System;
$29.56
1 day ago
View All
Customer Reviews

Heavy Duty Wired Rolling Door Contact 0~100V/0.5Amp Magnetic Alarm Sensor Garage Door Magnetic Switch for N.C. Applications
$5.2$7.39-29.63%
Special Features:
Door window open alarm
Use:
Alarm System
Quantity:
Add to Cart
Wishlist
Features
Heavy Duty Wired Rolling Door Contact – Reliable Magnetic Alarm Sensor for Secure Applications
Premium-grade metal housing ensures durability and resistance to harsh environments, ideal for garages, warehouses, and industrial settings. Engineered with high-sensitivity magnetic contacts (0~100V/0.5Amp) for precise detection, minimizing false alarms. Compact yet robust design features corrosion-resistant terminals and reinforced wiring for long-term stability. Compatible with N.C. (Normally Closed) circuits, perfect for integration into existing security systems. Easy installation with pre-drilled mounting holes and clear wiring instructions. Suitable for rolling shutters, sliding gates, and access control systems. Trusted by professionals for consistent performance under extreme conditions. Buy in bulk for unbeatable wholesale pricing—global shipping available. Upgrade your security with industrial-grade reliability.
See More