25KV Railway Polymer Insulator

25KV Railway Polymer Insulator

​High voltage electrical insulators is applicable for the electrified railway in complex environment, which can effectively prevent pollution flashover and Reduce cleaning and maintenance .The composite cross arm insulator feature is small ,so that it cannot be replaced by porcelain or class insulator in the small space place....

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High voltage electrical insulators is applicable for the electrified railway in complex environment, which can effectively prevent pollution flashover and Reduce cleaning and maintenance .The composite cross arm insulator feature is small ,so that it cannot be replaced by porcelain or class insulator in the small space place.


Specification of high voltage electrical insulators

Voltage

Arcing Distance

Creepage Distance

Power Frequency withstand Voltage(wet)

Lighting impulse withstand voltage

Mechanical compression strength

25kV

440mm

1300mm

125kV

250kV

120kN


Why us?

1.We use HTV silicone rubber which hydrophobicity can reach to HC1 level

2.We use hot dip Galvanizing steel fitting ,the thickness of the zinc more than 100 μm.

3.We use ECR rod as the core which is high acid resistant. 7200Hr testing passed.

4.We can mark your logo on the fitting or rubber.

 

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