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Reed Switch is a special switch and a main component for reed relay and proximity switch. Reed switch is usually comprised of two soft magnetic materials and metal reed contacts, which will disconnect itself when there is no magnetic.

In addition, some reed switches are also equipped with another reed acting as the third normally-closed contact. These reed contacts are encapsulated in a glass tube full of inert gases (such as nitrogen and helium) or in a vacuum glass tube. The reeds encapsulated in the glass tube are placed in parallel with ends overlapped. Certain amount of space or mutual contact will be reserved so as to constitute the normally-open or normally-closed contacts of the switch.

Reed switch can be used as sensor for count, limit and other purposes. For instance, a kind of bike-kilometer is constituted by sticking magnetic to the tire and mounting reed switch aside. We can mount reed switch on the door for alarming purpose or as switches.

Reed switch has been widely applied in household appliances, cars, communication, industry, healthcare and security areas. Furthermore, it can also be applied to other sensors and electric devices such as liquidometer, door magnet, reed relay, oil level sensor and proximity sensor (magnetic sensor). It can be used under high-risk environment.

Specification

Working Voltage: DC 3.3V-5V

Working Current: ≥20mA

Working Temperature: －10℃—＋50℃

Detection Distance: ≤10mm

IO Interface: 3 wire interface (-/+/S)

Video :http://video.keyestudio.com/ks0038/

PDF and Code :https://fs.keyestudio.com/KS0038