Siemens 5WG1220-2DB31 KNX Pushbutton Interface, 4-fold, Flush Mount

The Siemens 5WG1220-2DB31 is a KNX pushbutton interface providing four configurable inputs/outputs for potential-free contacts or LED control up to 2mA, supporting both KNX PL-Link (Desigo TRA) and KNX S-Mode (GAMMA). It includes an integrated bus coupling unit and an 8-wire cable (280mm, extendable up to 10m), designed for flush mounting in boxes with 60mm diameter and at least 40mm depth. The device is IP20 rated.