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Security Alarm Reed Switch

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RRP: $5.25
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These are used to secure an alarm circuit on a door or window.
Sold as - Each
Stock unit - Each

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These are used to secure an alarm circuit on a door or window. Sold as a pair, one has a magnet inside, the other a reed switch. They have powerful magnets, with self adhesive or screw mount, and screw terminal connections.

Reed Switch contacts: closed when both units are together (ie current flows), and open when apart.

Normally CLOSED (NC) per pair.

Contact operation:

Contacts are closed cicuit when the magnet is alongside the switch. For alarm installation this is denoted as the "normal" state as the door/window is secure and the alarm is armed.


Dimension details : Dimensions identical on switch and magnet
Width : 55.00000000mm
Height : 12.50000000mm
Depth : 13.00000000mm
Mounting Method : Surface
Attachment / Securing Method : Screw Down, Self Adhesive Tape/Pad
Overall Screw Spacing (H) : 44.50000000mm

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