Twilight switch for controlling lighting systems. Adjustable threshold value from 2-2000 lux. Delayed switching on and off ON approx. 20 s, OFF approx. 80 s. For mounting on TH35 top hat rails in accordance with EN 60715. Nominal voltage AC 230, -15%/+10%, 50/60 Hz. Switching capacity max. 16 A, AC 250 V, cos phi1, 10 A, AC 250 V, cos phi0.6. Switching capacity min. 10 mA, AC 230 V, 100 mA, AC/DC 24 V. Contact potential-free. Standby power 0.3 W. Incandescent lamp load 2600 W. Halogen lamp load 2600 W. Fluorescent lamp load uncompensated 2300 VA, series compensated 2300 VA, parallel compensated 730 VA (80 uF). Compact fluorescent lamps 170 W. LED 2 W 200 W. Connections screw terminals, rigid/flexible 2x0.5 - 2.5 mm2, with wire end ferrule max. 1x2.5 mm2. Accuracy 7+/-0.25 s/day (25 degrees C). Power reserve 10 years. Protection class device IP 20. Protection class inside sensor IP 66 front, IP 40 rear built-in. Protection class outside sensor IP 55. Device width 1TE approx. 18 mm. Scope of delivery With light sensor.