Covers for surge arresters
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 |