Fielect 5Pcs MC-31 Surface Mount Wired N.C. Door Contact Sensor Alarm Magnetic Reed Switch White

Price: $9.99
(as of Dec 22,2022 02:05:11 UTC – Details)

Product Description

Working Principle

When the magnet together, the circuit is conductive; when the magnet separates, the circuit is not conductive(N.C).

Easy to Install

Work with all access control and burglar alarm systems. Can be installed in wooden or aluminum alloy doors and windows

Note

The door magnet should be away from the strong magnetic field interference source such as a transformer.

[Normally Closed] – N.C. means Normally Closed: When the magnet together, the circuit is conductive( light on ); when the magnet separates or no magnets, the circuit is not conductive ( light off ). (Connect when merging, disconnect when separating)
[Widely Used] – This surface mount wired door contact Sensor works with any access control or burglar alarm system available.
[Note] – The Magnetic Door Switch must be installed according to the sensing distance. It can only provide a switch signal to the transmitter. It cannot directly load the power, nor directly connect the lamp!
[Package Included] – 5Pcs x MC-31 Surface Mount Wired Magnetic Door Sensor