Covers for surge arresters

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Ceramic non-reinforced covers. These covers are designed for completing valve surge arresters (nominal voltage 3, 6, 10, 35 kV). Covers conform to ГОСТ 5862-79 standard. The insulating part is made of ceramic electrotechnical material of subgroup of 110 ГОСТ 20419-83.

Type of insulator Denotation of draft ГОСТ, ТУ  Nominal system voltage, kV Creepage distance, no less than, cm Н, mm D External, mm Weight, kg Sketch
Nominal rejection ±10%
РВО-3 О НИЮД. 579 ГОСТ 5862-79 3 10 170 118 1,30 0,09
РВО-6 О НИЮД. 580 ГОСТ 5862-79 6 20 255 118 1,75 0,12
РВО-10 О НИЮД. 581 ГОСТ 5862-79 10 28 370 118 2,30 0,16
ПР-35 УХЛ,Т1 (армир.) НИЮД. 686174. 015-06 СБ Конструкторский документ 35 115 1130 280 29,8 ±10% 2,98