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

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

Creepage distance is one of main technical parameters, such as High tension insulators can be designed in high creepage distance, such as 900mm creepage distance porcelain pin insulator.

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