Universal input modules are used to interface contacts free of potential with KNX bus, such as pushbuttons, switches or conventional automatisms to make them communicating devices.
There are two versions of these flush-mounting universal input modules
The particular functions of each product depend on the configuration and the set-up.
The modules are installed in a 60 mm dia. flushmounting box in association with a pushbutton or a switch.
Depth will depend on the type of equipment used.