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Transmission line post insulator

Transmission line post insulator is suitable for high compressive and cantilever loads up to a system voltage of 500kv, such as substation, switchgear, disconnectors and electrical apparatus.

Transmission line post insulator


Transmission line post insulator for polymer is consists of fiber glass core, high temperature vulcanized silicone rubber and end fittings
Silicone rubber: provides excellent contamination performance
Core: ECR fiber glass
End fitting: hot dip steel

Features for Polymeric transmission line post insulator:
Light weight-easy installation and reduced transport costs vandal and break resistant
High tracking and erosion resistance, excellent performance under polluted conditions, reduced maintenance costs.
High mechanical strength
No moisture ingress

Main type for composite post insulators:
Cantilever strength test
Torsion strength test
Compression strength test
Critical impulse flashover test
Low frequency wet withstand test

Transmission line post insulators comply with dimensional and electrical values in accordance with ANSI C29.9. The cantilever and tension strengths exceed the required values of the ANSI standard. Compression and torsion strengths are given as guaranteed values.


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