Porcelain insulators for overhead transmission lines and communication lines

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Line porcelain pin insulators are designed for insulating and fastenening of wires on overhead AC/DC transmission lines (voltage up to 1000V, frequency up to 100 Hz) as well as communication lines. Made in conformity with ДСТУ 3546-97 (ГОСТ 30531-97). The insulating part is made of ceramic electrotechnical material of subgroup of 110 ГОСТ 20419-83.

Type of insulator Denotation of draft ДСТУ (ГОСТ)  Nominal system voltage, kV Н, mm D External, mm Weight, kg Sketch
номин. пред. откл. массы, ± 7%
ТФ-20 О1 НИЮД.757516.010 ДСТУ 3546-97 (ГОСТ 30531-97) до 1 кВ 100 70 0,49 0,0343