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Suspension insulators

Suspension insulator Used on transmission and distribution line, suspension insulator is one of the most frequently used insulators.

Suspension insulator

Suspension insulator is consisted of porcelain unit or composite unit, iron cap, steel pin. Steel pin of the suspension insulator can be with zinc sleeve type and without zinc sleeve type. Zinc sleeve types have better anti-oxidation ability.

There are normally two types of suspension insulators according to the materials: porcelain suspension insulator and composite insulator.

Suspension insulator is the most frequently used suspension insulators. Porcelain unit or composite unit, iron cap, steel pin are the main composition of the suspension insulator. There are two types of steel pin: zinc sleeve type and without zinc sleeve type. The three parts are assembled with porcelain part with cement in porcelain insulators and crimped together in composite insulator. That is the small difference between porcelain suspension insulator and composite insulator.

Suspension insulator is used on the high voltage transmission and distribution line, because of many reasons; other kinds of insulator cannot be used in high voltage line, which is the special part of the suspension insulator.

 

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