OPSNN are designed to protect the ungrounded neutral of transformers and high-voltage apparatuses for voltage classes 110 kV, included in this neutral, from lightning and switching overvoltages.
H - for neutral protection;
P - polymer insulation
1 - reference version
Rated voltage - 110 kV
Climatic design and placement category - UHL1
Longest long-term permissible operating voltage - 60 kV
Rated discharge current - 10 kA
Capacity - 850 A
Pollution degree according to GOST 9920-89 - IV
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