They are intended for fixing and isolation of current-carrying parts in electrical installations of buildings and constructions at voltage up to 20 kV.
Unit designation: IP yyy/20-xx, IP yyyy/35-xx where
IP - type of insulator;
yyy - height of the insulator, mm;
20 - rated voltage of the insulator, 20 kV;
35 - rated voltage of the insulator, 35 kV;
xx - number denoting insulator modification in accordance with the catalogue of the company depending on the number of holes in the insulator and their dimensions.
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