NGLA (SBKC) line surge arresters for overhead lines up to 362 kV
Gapless NGLA line surge arresters based on the SBKC series for protecting overhead lines up to 362 kV from lightning overvoltages. They are installed on sections with high tower footing resistance, without a shield wire or with increased lightning activity.
- Highest system voltage Us
- SBKC size 0 - 170 kV; size II - 362 kV
- Rated voltage Ur
- up to 144 / 360 kV
- Nominal discharge current In
- 10 / 20 kA
- Specific energy capability
- 4.5 / 9.2 kJ/kV Ur
Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.
Description
The SBKC size 0 version is rated for Us 170 kV, size II for 362 kV, with rated voltage Ur up to 144 / 360 kV. Nominal discharge current In is 10 / 20 kA, the specific energy capability 4.5 / 9.2 kJ/kV Ur, and the line discharge class 2 / 4. Short-circuit current at pressure relief is 40 / 63 kA, and the mechanical load SSL is 1.2 / 4 kN·m. Clamps and fittings for line mounting are included.
Technical specifications
| Highest system voltage Us | SBKC size 0 - 170 kV; size II - 362 kV |
|---|---|
| Rated voltage Ur | up to 144 / 360 kV |
| Nominal discharge current In | 10 / 20 kA |
| Specific energy capability | 4.5 / 9.2 kJ/kV Ur |
| Line discharge class | 2 / 4 |
| Short-circuit current (pressure relief) | 40 / 63 kA |
| Mechanical load SSL | 1.2 / 4 kN·m |
Request a price and lead time
NGLA (SBKC) line surge arresters for overhead lines up to 362 kV. We reply within one business day.
Or email sales@usk.ua or call 044 339-50-20.
Customs codes
| UKTZED (Ukraine) | 8535 40 00 00 |
|---|---|
| HS, 6 digits | 8535 40 |
| CN (EU) | 8535 40 00 |
| HTSUS (USA) | 8535 40 00 00 |
| China customs tariff | 8535 40 00 00 |
Codes are for reference: the final code is determined at declaration for the specific model.
Questions and answers
Which lines are the NGLA suitable for?
For overhead lines with Us 170 kV (SBKC size 0) and 362 kV (size II).
What discharge current and energy capability do the line arresters have?
Nominal discharge current In 10 / 20 kA, specific energy capability 4.5 / 9.2 kJ/kV Ur.
Where is it advisable to install line arresters?
On overhead line sections with high tower footing resistance, without a shield wire or with increased lightning activity.
Similar equipment from other manufacturers
