functional principle Rotary code switch
A rotary code switch switches input signals from the common C-contact to the different output contacts.
The code defines which output contact gets a signal at a certain actuator position.
There are available as well some special codes. Rotary code switches are available with many different standard codes are ideal for setting addresses in bus systems or wireless applications as well as for setting parameters on any electrical device.
The height of a PTR HARTMANN rotary code switch defines the switch name: for example the P25 is 2.5mm high