924.171, twilight switch DS-A series 8812 230 V AC, 50/60 Hz, +/- 10% Max. load 100 VA at TU = -20°C to + 35°C Load current max 430 mA Switch-on threshold approx. 5 - 15 Lux Switch-off threshold approx. 30 - 40 lux Cast housing dimensions: LWH 34 x 22.5 x 16 mm