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Porcelain post insulators

Porcelain post insulators can be designed, manufactured and tested in accordance with IEC60273 and ANSI C29.9. Components according to other standards or special customers’ requirements can be supplied.

Porcelain post insulators

According to IEC 60273, the features of Porcelain post insulators
◆ Outdoor post insulator with metal end fittings
◆ A minimum bending failing load of 20kN
◆ A lightning impulse withstand voltage, dry of 2000kV
◆ Big creepage distance
◆ Used with flange

Sometimes, the RIV performance of Porcelain post insulators will be tested in accordance with IEC60437. The mechanical strength of Porcelain post insulators has
◆ Compression strength
◆ Torsion strength
◆ Cantilever strength
◆ Bending strength

Porcelain post insulators can be made from C130 high aluminum porcelain material for improving good mechanical strength and used in substations


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