This magnetic switch (reed contact) is particularly suitable for alarm protection for hung windows, skylights or other mechanical valves. It also can be used as a contact for drawers.
This magnetic switch (reed contact) can only be connected as normally open (NO). "NO" means, for example, when a window is closed, then the magnet switch is "closed" and when the window will be opened, the magnetic switch is "open".
Dimensions (length x width x height):