MV Components
SF₆ Gas Insulated Disconnector
Gas insulated disconnector for 12–36 kV systems with high dielectric strength across the isolating distance — 145/195 kV.
12–36 kV630–1250 A16–21 kA
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The SF₆ disconnectors provide a reliable circuit isolation in switchgear cells. The sealed SF₆ tank guarantees stable insulation characteristics regardless of ambient conditions. Used within ARME-AIS cells and as standalone switching devices.
Technical Specifications
| Parameter | 12–24 kV | 36 kV |
|---|---|---|
| Rated voltage | 12/24 kV | 36 kV |
| Rated current | 630–1250 A | 630–1250 A |
| Lightning impulse withstand voltage | 125 kV | 170 kV |
| Withstand voltage at isolating distance | 145 kV | 195 kV |
| Power frequency withstand voltage | 50 kV | 70 kV |
| Short-circuit withstand current (1 s) | 16–21 kA | 16–21 kA |
| Rated frequency | 50–60 Hz | 50–60 Hz |
