DALI Power Supply 220mA, compact housing, DALI test button, info via Cockpit SW The DALI-2 PS is intended for DIN rail mounting Ensure protection against electric shock b an appropriate enclosure The wiring should be carried out as a permanent installation in a dry and clean environment. Installation may only be carried out in a voltage-free state of the system and by qualified specialists. National regulations for setting up electrical systems must be followed. Connect power supply terminals L and N to mains voltage according to the labelling. The polarity of the output voltage is marked on the housing (DA+, DA-) The DALI line may be routed together with the mains voltage (in one cable or as single wires in a tube)