Sensor Interface to connect conventional motion sensors or pushbuttons to a DALI system. Configuration options are for example: range, target address, DALI commands for on/off, hold time, … . Multiple sensors within one group synchronise automatically. Two different versions are available: for potential free switching input (DALI SI) and switching input for mains (DALI SI1L). The device is designed to fit behind a light switch in a flush-type box.

Product link DALI-2 SI: https://www.lunatone.com/en/product/dali-2-si/
Product link DALI-2 SI1L: https://www.lunatone.com/en/product/dali-2-si1l/
Datasheet: https://www.lunatone.com/wp-content/uploads/2025/07/89453477_89453477-1L_DALI-2_SI_SI-1L_EN_D0136.pdf