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Smart Grid & Advance Power Distribution

24 kV Support Insulator


Indoor post insulators of cast resin canbe used for all indoor plant, also in thetropics. There are suite table fortemperature from -25 C to +90 C


Indoor post insulators of cast resin arecylindrical solid insulator. The maindimension and mechanical requirementsare in accordance with IEC 60273


The following test to IEC 60660 isperformed:

Type Test

- Test with rated power-frequencywithstand voltage (dry)

- Test with rated lightning impulsewithstand voltage. Testing minimumfailing loads (nominal loads) forbending, tension and torsion.

Routine Test

- Visual inspection- Dimension inspection

- Testing of conductive connectionof threaded fixing bushes

- Partial discharge extinction voltagetest

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