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

Features

• SizeBody 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.
• MaterialThe 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.
• ApplicationThis 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.
• NoteThe 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.