Staircase light timer, 230V 1 NO contact 16A 230V, 50Hz, electronic, separate multi-voltage input 8-230V AC/DC, 7 selectable functions, time range 0.5...12 min., 3-4-wire detection, can be switched on again, max. glow lamp current 50mA, 1TE Staircase light timer SENTRON 7LF6 for the time-controlled switching of staircase lighting. With the staircase light timer 7LF6311, people are warned of the impending switch-off by the flickering light. Time switches 7LF - safety, comfort and energy saving.