Pin insulators

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Pin insulators ,also called polymer pin insulators or pin composite insulators.
Voltage level 10-220kV
Rated bending load 1-160kN
Polymer pin insulators are highly resistant to bending, impact, shock and explosion. The internal insulation is reliable and the weight is light, which is an ideal replacement for traditional electric porcelain.
Conditions of Use:
·Ambient temperature -40 ° C ~ +40 ° C
·AC power frequency does not exceed 100HZ
·The earthquake intensity does not exceed eight
·Altitude does not exceed 1500 meters
·Maximum wind speed does not exceed 35m/s

Structure and Test

Silicon Rubber for sheds/housing.

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Hot dip galvanized cast steel for metal fittings.

5000hours aging test from STRI Sweden & Prototype Test & Type Test & Factory Test ( Routine and Sampling Test ).

IEC / ANSI / GB standard.


High voltage line pin Polymer insulator parameters