КВ stairwell switches
КВ1 stairwell light switchThe stairwell light switch controls lighting in floor corridors, stair landings, the areas in front of refuse-chute hatches, passageways and similar spaces
КВ2 stairwell light switchThe stairwell light switch controls lighting in floor corridors, stair landings, the areas in front of refuse-chute hatches, passageways and similar spaces
КВ3 stairwell light switchThe stairwell light switch controls lighting in floor corridors, stair landings, the areas in front of refuse-chute hatches, passageways and similar spaces
Time relay for stairwell switch КВ1.1The time relay for a stairwell switch sets the automatic switch-off time