Post insulators

Post insulator is a special kind of insulation parts. Post insulators play an important role in the transmission and distribution system. Post insulator is generally used in electrical equipment and power station.

According to the material post insulator can be divided into porcelain insulator porcelain and composite post insulator. Composite post insulator usually has high mechanical strength, not easy to damage. However, porcelain post insulator has a low insulator price.

post insulators     post insulators

According to the use post insulator can be divided into power station post insulator and electric post insulator.

Post insulators have two types: IEC and ANSI. There are many products for each type.

The voltage grade of post insulator: 10kV, 15 kV, 20kV, 35kV, 66kV, 110kV, 220kV, 300 kV, 400 kV, 500 kV, 750 kV, 800kV, 1000 kV.

The cantilever strength of post insulator: 4kN, 6kN, 8kN, 10kN, 12.5kN, 16KN, 18kN.

Post insulator also have fog type insulator. When making fog type post insulator, the surface size will increase to increase the creepage distance, so that it can be used in heavy pollution area for a long time.

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