Security Alarm Reed Switch - Double Throw LA5070

You have both types of contacts on the one unit, so you will always have the correct one!
Normally Open (N.O.) and Normally Closed (N.C.) 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.

Specifications

Operating Temperature : -40°C

Dimension details : Dimensions identical on switch and magnet

Width : 55mm

Height : 12.5mm

Depth : 13mm

Mounting Method : Surface

Attachment / Securing Method : Screw DownSelf Adhesive Tape/Pad

Overall Screw Spacing (H) : 44.5mm

Packaged Volume : 0.04l

Packaged Weight : 0.02kg

Packaged Length : 7.4cm

Packaged Width : 3cm

Packaged Height : 1.7cm