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Magnetic Switch Alarm Sensor Overhead Garage Door Contacts with L Bracket
- Alloy zinc material case make it quite sturdy
- Metal tube protection
- Epoxy sealed water proof
- Adjustable with L bracket to fit most door-channel widths and easy installation
- Used for overhead doors in both industrial and residential situations where a wide gap is present
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Overview
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Magnetic contacts is widely used for alarm system(panel) to detect state of door. It consist of a reed switch part and a magnet part . When door closed, reed switch is effected by magnet and turn ON; when door open, reed switch is effected by magnet and turn OFF, trigger alarm.
Contact type : NC (normally closed),switch OFF when door is opened
Switch part material: alloy zinc
L bracket Material : Aluminum
Color: silver-grey
Pack: 1pairs/bag
Operation gap : 50mm
Mounting type : Surface mounting
Max. voltage : 28V DC
Max. current : 0.2A
Max. load : 3W
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