5Pcs Magnetic Reed Switch Wired Surface Mount Normally Closed NC Contact Sensor Alarm Magnetic Door Switch with 2 Wires, ABS White, MC-44b

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Overview Operation Mode : automatic Contact Type : Normally Closed Connector Type : Wire Leads Brand : FOCMKEAS Switch Type : Reed Terminal : Spade Material : Acrylonitrile Butadie ne Styrene Item dimensions L x W x H : 1.97 x 0.55 x 0.49 inches Circuit Type : 1-way Mounting Type : Surface Mount About this item 【Size】Body size(approx.): 50*14*12.4 50*14*12.4mm(L*W*H), No cable, Action Distance:25-35mm/1"-1.4", package include 5 pairs. 【Material】The Magnetic Switch is made of flame-retardant ABS shell material, resistant to high temperature and not easy to deform. 【Normally Closed (NC)】Normally closed type. When the magnet together, the circuit is conductive( light on ); the circuit is not conductive ( light off ) if the magnet separates. 【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. Show more