Security Alarm Reed Switch


Price:
Sale price$5.90

Description

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.

Product Dimensions
Depth 13mm
Width 55mm
Height 12.5mm
Dimension details Dimensions identical on switch and magnet
Product Mounting
Mounting Method Surface
Attachment / Securing Method Screw Down,Self Adhesive Tape/Pad
Overall Screw Spacing (H) 44.5mm

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