Feature

●Working Principle: The magnets are close together and the switch is off. And the switch and magnet are separated, and the switch is open. Magnets are usually close to each other, which is normal statement.
●Easy to Use: No external power supply is needed, and the GND and N.C ports of wired or wireless alarm control panel are directly connected.
●Wide Applications: This Recessed Door Contact Sensor works with any access control or burglar alarm system available. Can be installed in wooden or aluminum alloy doors and windows. Not suitable for iron doors, it will reduce the magnetism of the sensor.
●Specifications: Working Distance: 15mm + 5mm, Switching Pressure: 100VDC, Load current: 300 mA, Life: 1 million times, Switch Output: NC (Normally Closed)
●After Sale: We have professionals responsible for after sales. Therefore, if you have any questions, please contact us and we will provide you with the best service.


Description

Features:
Magnets are usually close to each other, which is normal statement.
Close = short circuit = create a path for the current.
The magnets are close together and the switch is off.
And the switch and magnet are separated, and the switch is open.
No external power supply is needed, and the GND and N.C ports of wired or wireless alarm control panel are directly connected.
Not suitable for iron doors, it will reduce the magnetism of the sensor.

Specifications:
Working Distance: 15mm + 5mm
Switching Pressure: 100VDC
Load current: 300 mA
Life: 1 million times
Switch Output: NC (Normally Closed)
Package Weight: 91g/3.2oz

Package List:
10 Pair * Door Window Sensor