25.8㎸ SF6 Gas Insulated Load Break Switches
25.8㎸ SF6 Gas Insulated Load Break Switches are installed on a 22.9㎸-y overhead. It reignites using SF6 gas which has an excellent heat isolation and arc extinguishing capability and switches load without reignition. With this distribution automation switchgear, the user can operate and check its status using means of communication either on site or remotely.
■ Specifications
| Rated voltage | 25.8kv | Idle load make and break capacity | 1,000 times |
|---|---|---|---|
| Rated frequency | 60Hz | Rated short-time current | 12.5kA, 1sec |
| Rated current | 400A | Rated closing current | 32.5kA, 5 times |
| Load current make and break capacity | Load current 400A/200times | Power frequency withstand voltage | Dry 60kV, 1 min |
| Load current 20A/20times | Wet 50kV, 10sec | ||
| Loop current 400A/20times | Impulse withstand voltage | 150kV (1.2X50 ㎲) | |
| Cable charging current 25A/10times | Rated control voltage | AC 220V | |
| Cable charging current 7.5A/10times | SF6 gas pressure | 1.2kg.f/㎡.G(20℃) | |
| Line charging current 1.5A/10times | Applied standards | IEC 60265-1 ANSI C37.71 PS 151-170~180 |
■ Product dimensions
■ Setting drawing
