The IC2000 control closing of a contact when brightness decreases and drops below the selected threshold.They control opening of a contact when brightness increases and rises above the selected threshold. Delivered with Switchboard cell (15281).Optional accessories: Switchboard cell (15281) Wall-mounted cell (CCT15268). Adjustable brightness threshold: 2 to 2000 lx.Voltage rating (Ue): 230 V AC 10 %,-15 %, 50/60 Hz. Consumption 6 VA. Operating temperature -20°C to 50°C. Width (9 mm modules): 5.Insulation class: Class II. Degree of protection: IP20B. Output contact rating 250 V: 16 A cos Phi 1. 10 A cos Phi 0.6.Time delays (On and Off): > equal 60 s. Number of channels: 1.