Ring main units (13 units in stock ratings:busbars-630), electrical equipment : Te Sys D contactors from 0.06 to 75kw, Te Sys F contactors from 90 to 450kw, altivar 71 and 31 variable speed drives, compact NS from 80 to 630a, circuit breakers, overload relays..Installation of substations, maintenance and rehabilitation of substations.
