Technical specifications16 parameters
| Parameter | 1 (400А) | 2 (600А) | |
|---|---|---|---|
| Network voltage class, kV | 27,5 | ||
| Maximum continuous operating voltage of the arrester Uc (rms value), kV* | 18,5…30,0 | ||
| Rated voltage Ur, kV** | 23,1…37,5 | ||
| High-current impulse withstand, 4/10 μs waveform, kA | 100 | ||
| Arrester throughput capacity (amplitude of the 2000 μs rectangular impulse), A | 400 | 600 | |
| Nominal discharge current (amplitude, 8/20 μs), kA | 10 | ||
| 10 s temporary overvoltage (TOV), Ut/Uc | 1,41 | ||
| Energy absorption capability (2 long-duration current impulses, relative to Uc), not less than, kJ/kV | 4,1 | 6,2 | |
| Residual voltage, not more than, at switching surge current, 30/60 μs waveform, with amplitude, kV** | -125 А | 45,33…73,5 | 43,94…71,25 |
| - 250 А | 46,87…76,0 | 45,47…73,73 | |
| - 500 А | 48,3…78,0 | 47,0…76,22 | |
| Residual voltage, not more than, at 8/20 μs current impulses for nominal current, kV** | - 5 кА | 57,25…92,8 | 55,5…90,0 |
| - 10 кА | 60,95…98,8 | 59,5…96,48 | |
| Residual voltage, not more than, at 1/10 μs steep-front current impulses with 10000 A amplitude, kV** | 62,9…102,0 | 62,2…100,86 | |
| Partial discharge level, not more than, pC | 10 | ||
| Mechanical load from conductor tension, wind and combined ice-and-wind loads, not less than, N | 365 | ||
| Vibration resistance according to ГОСТ 17516.1 | М6 | ||
| Creepage distance, not less than, mm | 1220 | ||
| Mass, kg** | 6,1 | ||
1 (400А)
- Network voltage class, kV
- 27,5
- Maximum continuous operating voltage of the arrester Uc (rms value), kV*
- 18,5…30,0
- Rated voltage Ur, kV**
- 23,1…37,5
- High-current impulse withstand, 4/10 μs waveform, kA
- 100
- Arrester throughput capacity (amplitude of the 2000 μs rectangular impulse), A
- 400
- Nominal discharge current (amplitude, 8/20 μs), kA
- 10
- 10 s temporary overvoltage (TOV), Ut/Uc
- 1,41
- Energy absorption capability (2 long-duration current impulses, relative to Uc), not less than, kJ/kV
- 4,1
- Residual voltage, not more than, at switching surge current, 30/60 μs waveform, with amplitude, kV-125 А
- 45,33…73,5
- Residual voltage, not more than, at switching surge current, 30/60 μs waveform, with amplitude, kV- 250 А
- 46,87…76,0
- Residual voltage, not more than, at switching surge current, 30/60 μs waveform, with amplitude, kV- 500 А
- 48,3…78,0
- Residual voltage, not more than, at 8/20 μs current impulses for nominal current, kV- 5 кА
- 57,25…92,8
- Residual voltage, not more than, at 8/20 μs current impulses for nominal current, kV- 10 кА
- 60,95…98,8
- Residual voltage, not more than, at 1/10 μs steep-front current impulses with 10000 A amplitude, kV**
- 62,9…102,0
- Partial discharge level, not more than, pC
- 10
- Mechanical load from conductor tension, wind and combined ice-and-wind loads, not less than, N
- 365
- Vibration resistance according to ГОСТ 17516.1
- М6
- Creepage distance, not less than, mm
- 1220
- Mass, kg**
- 6,1
2 (600А)
- Network voltage class, kV
- 27,5
- Maximum continuous operating voltage of the arrester Uc (rms value), kV*
- 18,5…30,0
- Rated voltage Ur, kV**
- 23,1…37,5
- High-current impulse withstand, 4/10 μs waveform, kA
- 100
- Arrester throughput capacity (amplitude of the 2000 μs rectangular impulse), A
- 600
- Nominal discharge current (amplitude, 8/20 μs), kA
- 10
- 10 s temporary overvoltage (TOV), Ut/Uc
- 1,41
- Energy absorption capability (2 long-duration current impulses, relative to Uc), not less than, kJ/kV
- 6,2
- Residual voltage, not more than, at switching surge current, 30/60 μs waveform, with amplitude, kV-125 А
- 43,94…71,25
- Residual voltage, not more than, at switching surge current, 30/60 μs waveform, with amplitude, kV- 250 А
- 45,47…73,73
- Residual voltage, not more than, at switching surge current, 30/60 μs waveform, with amplitude, kV- 500 А
- 47,0…76,22
- Residual voltage, not more than, at 8/20 μs current impulses for nominal current, kV- 5 кА
- 55,5…90,0
- Residual voltage, not more than, at 8/20 μs current impulses for nominal current, kV- 10 кА
- 59,5…96,48
- Residual voltage, not more than, at 1/10 μs steep-front current impulses with 10000 A amplitude, kV**
- 62,2…100,86
- Partial discharge level, not more than, pC
- 10
- Mechanical load from conductor tension, wind and combined ice-and-wind loads, not less than, N
- 365
- Vibration resistance according to ГОСТ 17516.1
- М6
- Creepage distance, not less than, mm
- 1220
- Mass, kg**
- 6,1
- * Maximum continuous operating voltage of the arrester — according to customer requirements.
- ** Characteristics may vary depending on the maximum continuous operating voltage of the arrester.
Parameter names are translated from the Ukrainian catalog; the verbatim catalog wording is preserved in the data. Values are given as in the catalog, without recalculation or rounding.
Data source
OPN catalog 2024 (in Ukrainian)
Specifications — p. 41 · Catalog numbers — p. 42 · Drawings — p. 42
Catalog numbers
The maximum continuous operating voltage of the arrester (Uc) is set according to customer requirements, so the catalog gives designations as examples rather than a fixed list of part numbers.
| Catalog number |
|---|
| SA-27,5/30/10/400-А- example |
Designation structure
- Series
- ОПНп
- Throughput capacity classes
- 1 (400А), 2 (600А)
- Designation (example)
- ОПНп-27,5/30/10/400-А
- Variants in the specification table
- 1 (400А), 2 (600А)
Configuration
The configuration of surge arresters is agreed with the customer.
Code structure: upper flange / lower flange / earthing / other
B2.B8.L1.G2 / B8.P3 / B5.Е2.D1 / SС1
Appendix A, pp. 43–44
Drawings
Page 42
OPN catalog 2024 (in Ukrainian)
The drawings are in the PDF catalog on the page indicated. The source documents contain no separate image files.
Product document
ОПНп-27,5 кВ, модификация А (400А, 600А).pdf
PDF available in Ukrainian
Normative documents
МЭК 60099-4 · ГКД 34.35.512-2002 · ТУ У 31.2-31279430-008:2006
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ОПНп-27,5 кВ, модификация А (400А, 600А)
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