High tension insulators are main important for electrical systems, with the developing of electrical systems and pollution level improving.

According to insulator usage, high tension insulators can be divided into Post insulator installed with disconnectors, transmission and distribution line insulators used with end fittings and other assemblies, bushing insulator used with apparatus insulation equipment, and transformers.

The features of High tension insulators electrical performance:
Dry flashover voltage: one of indoor insulators main performance
Wet flashover voltage: outdoor insulator main performance
Pollution flashover voltage: insulator used in pollution areas main performance

High tension insulators can be designed in high creepage distance.

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