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 be connected as normally closed (NC). "NC" means e. g. that when a window is closed, the magnetic switch is "open" and when a window will be opened then the magnetic switch is "closed".
Dimensions (length x width x height):