FOCMKEAS Magnetic Reed Switch Wired Surface Mount Normally Open NO Contact Sensor Alarm Magnetic Door Switch with 2 Wires, Zinc Alloy Sliver, MC-58

FOCMKEAS Magnetic Reed Switch Wired Surface Mount Normally Open NO Contact Sensor Alarm Magnetic Door Switch with 2 Wires, Zinc Alloy Sliver, MC-58

【Size】Body size(approx.): 106*16*16 106*16*16mm(L*W*H), Cable length: 260mm/10.2", Action Distance:30-50mm/1.2"-2", package include 1 pair. 【Material】The magnetic switch alarm is with zinc alloy housing for better rust resistance, durable and high strength. 【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】This magnetic contact switch is usually used for metal door/windows include rolling Door. 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. Magnetic contacts is widely used for alarm system(panel) to detect state of door/window. 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.