The time relay for a stairwell switch sets the automatic switch-off time. Used together with the stairwell switch button, it controls lighting in floor corridors, stair landings, the areas in front of refuse-chute hatches, passageways and similar spaces, switching the lighting on and turning it off automatically after a set interval.
To ДБН В.2.5-23-2003, in new and refurbished residential buildings the artificial lighting of stairwells, floor corridors and the areas in front of refuse-chute hatches must be controlled by flush-mounted switches with a 1–5 min delay, rated up to 2 A, 220 V, 50 Hz.
Replaces АВ-01-2,5/220 and АВ-2М mechanical stairwell timers.
Key features
Two-wire connection;
Works with incandescent lamps, fluorescent luminaires and energy-saving compact lamps
An electronic time relay with no mechanical contacts — solid-state construction.
