Description
FOCMKEAS Recessed Wired Security Window Door Contact Sensor, Normally Closed NC, Door Alarm Magnetic Reed Switch, ABS
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- 【Size】Body size(approx.): 19*25mm/0.75"*0.98"(D*L),Cable length: 260mm/10.2", Action Distance:20-30mm/0.8"-1.2", package include 1 pair.
- 【Material】The Magnetic Switch is made of flame-retardant ABS shell material, resistant to high temperature and not easy to deform.
- 【Normally open (NO)】Normally Open type with 2 wires, When the switch is separated from the magnet, the circuit is conductive(light on); When the switch is close to the magnet, the circuit is not conductive(light off).
- 【Application】These are the door contact sensors that are in use with any and all commercial or residential card access systems as well as all security burglar alarm system. The door contact can be used with an access control or anti-theft alarm system.
- 【Note】The Magnetic Door Switch must be installed as per the sensing distance. It can only provide a switch signal to the transmitter. It can't directly load the power, nor directly connect the lamp.
