Distribution, lighting and apartment switchboards (DS, LS, AS)

Distribution switchboards (DS) and lighting switchboards (LS) are assigned for reception and distribution of electricity with voltage of 380/220 V of three-phase AC, 50 Hz, as well as for occasional (not more than six times per hour) commutations and protection of single-phase off-lines from over-voltage and short circuit. Switchboards are designed for installation in industrial and public buildings. They are mounted on a vertical surface. Nominal operational mode is long. Apartment switchboards (AS) are designed for supply of residential apartments and are used for input and distribution of electricity with nominal voltage of 220V AC 50Hz and protection of the groups of lines from short circuit and overload. Switchboards are installed in the apartments, individual houses, cottages, garages, etc.