Polymer Insulator SML 70/20-4SP for Reliable Insulation in Power Transmission Applications

The insulators are designed for insulation and fastening of wires and lightning protection ropes of overhead power lines (hereinafter - overhead lines) and switchgear of switchgears of power stations and substations of alternating current with voltage up to 35 kV at ambient temperature from minus 60 °? to plus 50 °?, located at an altitude of up to 1000 m above sea level in areas with I-IV degree of pollution according to GOST 9920-89.