

High-voltage equipment
KSO cells — High-voltage equipment, KTP and KSO. Supply of electrical equipment in Yerevan and throughout Armenia.
| Classification features of KSO | Design |
| Insulation level according to GOST 1516.1 | KSO cubicles with standard insulation |
| Type of insulation | Air |
| Busbar insulation | With non-insulated busbars |
| Design of high-voltage bushings | With cable connection |
| Service conditions | With bus connection |
| By climatic design and placement location | Installation category 3, climate designation U according to GOST 15150, GOST 15543.1 |