Staircase light controller for DIN rail, 17.5 mm wide, with 1 NO contact for 16 A / 250 V AC. Contact material is AgSnO2. It features 2 functions: a time range of 0.5 to 20 minutes and a service function. Pressing the push-button for longer than 5 seconds closes the output contact for 60 minutes. It switches at voltage zero crossing and is suitable for L and N switching. Compatible lamp loads include incandescent and halogen lamps up to 3000 W, energy-saving lamps up to 600 W, LED (230 V AC) up to 600 W, LV halogen lamps or LED with ECG up to 600 W, LV halogen lamps or LED with CCG up to 1500 W, fluorescent lamps with ECG up to 1500 W, and fluorescent lamps with CCG up to 1000 W. The supply voltage is 230 V AC, and all connections are located at the bottom.