Designed for insulating and fixing wires, including insulated, on overhead power lines and in switchgear of power stations and substations of alternating current at a voltage of 20 kV with a frequency of up to 100 Hz at ambient air temperature from plus 50C to minus 60C. Climatic execution of insulators - UHL, placement category 1 according to GOST 15150, meet the requirements of GOST 15543.1.
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