22169942 DALI-BVS2 Power supply for one DALI system with up to 64 participants or 100 DALI loads (max. 200mA). The voltage supply is short-circuit resistant and voltage-stable against 230/240V external voltage. The operating status, activities at the DALI control line and any short circuits are indicated by a LED. The input end is connected to the mains voltage, while the output is connected to the DALI control line. The connections are established through screw terminals. Built-in switch cabinet device in flame-resistant polycarbonate, halogen-free. For assembly in switch and distribution cabinets on 65 mm top-hat rails according to EN 50022, at permissible ambient temperature of 0...50°C. Protection type IP20, Dimensions: 35 x 90 x 59mm.