Expansion module to add a maximum of 10 programmable 500mA-12Vdc inputs to the control panel.

The expansion modules allow you to expand the BTicino security system up to 128 zones (depending on the type of control unit installed), allowing you to satisfy all system requirements in the residential field.

The small dimensions of the modules allow their installation in junction boxes so that they can be placed near the sensors or contacts connected to them or using the specific plastic container 4237 (not supplied), as well as having greater protection of the board electronic, installation on DIN rail is possible.