OPNp · Surge arresters

ОПНп-35 кВ (400А, 600А)

designation given as an exampleCatalog, p. 19SA-35/40,5/10/400-М12/М16
Series
ОПНп

Technical specifications16 parameters

Parameter1 (400А)2 (600А)
Network voltage class, kV35,0
Maximum continuous operating voltage of the arrester Uc (rms value), kV*31,0…50,0
Rated voltage Ur, kV**38,7…62,5
High-current impulse withstand, 4/10 μs waveform, kA100
Arrester throughput capacity (amplitude of the 2000 μs rectangular impulse), A400600
Nominal discharge current (amplitude, 8/20 μs), kA10
10 s temporary overvoltage (TOV), Ut/Uc1,41
Energy absorption capability (2 long-duration current impulses, relative to Uc), not less than, kJ/kV4,16,2
Residual voltage, not more than, at switching surge current, 30/60 μs waveform, with amplitude, kV**-125 А75,9…122,473,6…118,7
- 250 А78,5…126,676,16…122,8
- 500 А80,6…130,478,74…127,0
Residual voltage, not more than, at 8/20 μs current impulses for nominal current, kV**- 5 кА95,86…154,693,0…150,0
- 10 кА102,1…164,799,7…160,8
Residual voltage, not more than, at 1/10 μs steep-front current impulses with 10000 A amplitude, kV**105,4…169,3104,1…168,0
Partial discharge level, not more than, pC10
Mechanical load from conductor tension, wind and combined ice-and-wind loads, not less than, N365
Vibration resistance according to ГОСТ 17516.1М6
Creepage distance, not less than, mm1580
Mass, kg**7,4

1 (400А)

Network voltage class, kV
35,0
Maximum continuous operating voltage of the arrester Uc (rms value), kV*
31,0…50,0
Rated voltage Ur, kV**
38,7…62,5
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
75,9…122,4
Residual voltage, not more than, at switching surge current, 30/60 μs waveform, with amplitude, kV- 250 А
78,5…126,6
Residual voltage, not more than, at switching surge current, 30/60 μs waveform, with amplitude, kV- 500 А
80,6…130,4
Residual voltage, not more than, at 8/20 μs current impulses for nominal current, kV- 5 кА
95,86…154,6
Residual voltage, not more than, at 8/20 μs current impulses for nominal current, kV- 10 кА
102,1…164,7
Residual voltage, not more than, at 1/10 μs steep-front current impulses with 10000 A amplitude, kV**
105,4…169,3
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
1580
Mass, kg**
7,4

2 (600А)

Network voltage class, kV
35,0
Maximum continuous operating voltage of the arrester Uc (rms value), kV*
31,0…50,0
Rated voltage Ur, kV**
38,7…62,5
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
73,6…118,7
Residual voltage, not more than, at switching surge current, 30/60 μs waveform, with amplitude, kV- 250 А
76,16…122,8
Residual voltage, not more than, at switching surge current, 30/60 μs waveform, with amplitude, kV- 500 А
78,74…127,0
Residual voltage, not more than, at 8/20 μs current impulses for nominal current, kV- 5 кА
93,0…150,0
Residual voltage, not more than, at 8/20 μs current impulses for nominal current, kV- 10 кА
99,7…160,8
Residual voltage, not more than, at 1/10 μs steep-front current impulses with 10000 A amplitude, kV**
104,1…168,0
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
1580
Mass, kg**
7,4
  • * 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. 19 · Catalog numbers — p. 20 · Drawings — p. 20

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-35/40,5/10/400-М12/М16 example

Designation structure

Series
ОПНп
Throughput capacity classes
1 (400А), 2 (600А)
Designation (example)
ОПНп-35/40,5/10/400
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 20

    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-35 кВ (400А, 600А).pdf

PDF available in Ukrainian

Open catalog PDF

Normative documents

МЭК 60099-4 · ГКД 34.35.512-2002 · ТУ У 31.2-31279430-008:2006

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ОПНп-35 кВ (400А, 600А)

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