Overhead insulated wire
1.Use: Suitable for AC rated voltage< /span>10KV and below overhead power lines, It is used in places with high safety requirements such as towns, high-rise buildings and forest areas.
2、Usage features:
①The rated voltage is1, 10KV.
②Long-term operating temperature of the cable:
Polyvinyl chloride (PVC< span style="font-size:16px;color:#000000;">), polyethylene (PE< span style="font-size:16px;color:#000000;">) insulation should not exceed 70< span style="font-size:16px;color:#000000;">℃;
Cross-linked polyethylene (XLPE ) Insulation should not exceed 90 ℃.
③During short circuit (the maximum duration does not exceed 5 seconds) of the cable conductor Maximum temperature;
PVC insulation does not exceed160℃ span>;
Polyethylene insulation does not exceed150℃;
Cross-linked polyethylene insulation does not exceed250℃< /span>.
④The temperature of cable laying should not be lower than< /span>-20℃.