Gas insulated load breaker switch (Underground line)
SF6 gas Insulated multiway Load Breaker Switch for underground line.
FEATURE
- Up to 6 way switchgear with earthing switch.
- Counter of operation times.
- Pressure gauge.
- SF6 gas insulation and interruption.
- Overpressure relief device.
HIGH RELIABILITY
- Simple operating mechanism.
- Switchgear vessel made of stainless steel.
- Climate-independent.
- Easy installation and operation.
- Pure puffer techniques, no leakage current between open contacts.
SPECIFICATIONS
| Description | Rating | |
|---|---|---|
| Rated maximum voltage [kV] | 17.5 | 27 |
| Rated current [A] | 630 | 630 |
| Operation | manual, automatic | manual, automatic |
| Frequency [Hz] | 50 / 60 | 50 / 60 |
| Power frequency withstand voltage [kV] | 42 | 50 |
| Basic impulse withstand voltage [kV] | 85 | 125 |
| Load Break Switch | ||
| Mainly active load current [A] | 630 | 630 |
| Cable charging current [A] | 10 | 40 |
| Short time withstand current [kA] | 12.5 / 16 / 20 | 12.5 / 16 |
| Short circuit making current [kA] | 31.5 / 40 / 50 | 31.5 / 40 |
| Circuit Breaker | ||
| Cable charging breaking current [A] | 31.5 | 40 |
| Short circuit breaking current [kA] | 12.5 / 16 / 20 | 12.5 / 16 |
| Short time withstand current [kA] | 12.5 / 16 / 20 | 12.5 / 16 |
| Short circuit making current [kA] | 31.5 / 40 / 50 | 31.5 / 40 |