The SPWSGc 20-17,5 bushing insulators are designed for rigid fastening of live parts in electrical apparatus, switchgear, which are under voltage, to the main part of the structure and isolation of live parts from grounded elements. Insulators are used in electrical installations for voltage class up to 10 kV inclusive. Climatic execution "UHL", placement category 2 according to GOST 15150.
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