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 |