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FBT manufactures composite insulators conforming to the required International standard IEC 61109/2008 & IEC 60437/1997. Our range of composite insulator, 11Kv and above, have type test certification from CPRI, Bangaluru. Unlike the porcelain/glass material based insulators made earlier, our products are manufactured using the advanced silicone based material.
The basic structure includes:
- Silicone sheds
- Metal end fittings – Tongue and clevis, Pin type etc
- FRP Rod with Silicone rubber cover
Advantages of composite insulators vs. porcelain insulators:
- Better contamination performance and Long term surface hydrophobicity
- No breakage
- Lower installation costs
- Improved handling of shock loads
- Improved power frequency insulation
- Light weight offers the advantage of lower tower construction, transportation and maintenance cost
- Higher strength to weight ratio resulting in longer span and new tower designs
- Higher resistance to vandalism and gunshot damages
- Compaction of lines
- Improved transmission line aesthetics
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