Enables to set lighting times to a minimum in passageways. A staircase timer alows reduction of energy spent on lighting. Instead of having the staircase and corridors permanently lit, the lighting is reduced to a pre-defined amount of time after one of the push-buttons connected to the time ris pressed. Tension: 230V AC / 50/60Hz. - Timmer: 30 sec - 15 min - Dimensions: 1 DIN module.