Disc type porcelain insulators also called suspension porcelain insulator consist of one or more porcelain units, cap iron and insulator spindle used for any voltage level power lines.

Disc type porcelain insulators are one of insulation equipment, can be used for overhead power lines and playing one important role.

The Disc type porcelain insulators main technical data:
◆ Power frequency wet withstand voltage
◆ Power frequency puncture voltage
◆ Cantilever strength
◆ Rated specified failing load

In the early, Disc type porcelain insulators are used on electrical poles, with the electrical system developing, more and more high voltage electrical insulator used on the lines. Disc type porcelain insulators are also used one by one to increase creepage distance for high contamination areas.

Disc type porcelain insulators should not change with the environment and dieletric moving, opposite, the main role won’t make a difference for the electrical systems.

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