Installation Staircase Switches Ex9SS are suitable mainly for light switching in many various residential, office and industrial applications, e.g. lighting of staircases or entrance areas.
Their switching time can be adjusted up to 10 minutes using rotary switch on the front side, or they can be manually switched in ON state by the control slider.
Ex9SSP having a "PROG" mode, which is enabling time prolongation by number of button pressing, e.g. If the set period is 5 min and you press button 3 times, the time period of switch ON will be 15 min. Reset of this period can be done by pressing the button for more than 2 sec.