номинальное напряжение, kv                                                         ярв 20-100    ярв20-250    ярв20-400
                                                                                                                 380                  380                 380
Частота, hz                                                                                               50                    50                   50
Номинальный ток, а                                                                                 80                   100                315
Номинальный ток
Выробного выключателя, а                                                                    100                   250               400
Ударный ток кз, не более ka                                                                     3                       6                   6
Степень защиты по гост 14254-96                                                    ip21,ip54,     ip21, ip54,    ip21, ip54