Long Rod Polymer Insulator
Products Description
What is a long rod insulator?
Long rod insulators are essential components used to suspend and electrically separate transmission lines from steel towers. They help ensure the reliable delivery of power by preventing current from leaking to the tower structure. To meet the demands of various voltage levels and environmental conditions, these insulators are often installed in strings composed of several units.
Main materials: Silicone Rubber , Fiberglass rod, Forged steel end fittings.
Main application: The Transmission Line and Distribution Line
Wuhan Line: One of the top manufacturers of customized polymer insulators in China
Technology First
Wide Product Range
Height：1530ˇŔ20 mm.
Min. Dry Arcing Distance: 1265 mm.
Min. Leakage Distance：3710 mm.
Diameter Of The Rod：Ø18 mm.
Coupling Dimensions： Eye/Ball 24(IEC 61466-1)/16 (IEC 60120).
Number Of Sheds：45.
Raw Materials
End-fitting Material Oval Eye：Cast Steel Or Forged Steel,Hot Dip Galvanized.
Ball：Cast Steel Or Forged Steel,Hot Dip Galvanized.
Minimum Thickness Of The Galvanization：100 ¦Μm.
Split Pin：Stainless Steel.
Core Material：Epoxy & Glass Fiber,Acid-Resistant Type.
Diamter：∅18mm.
Weather Sheds Material：HTV Silicone .
Color： Gray.
Mechnical
Specified Mechanical Load (SML)：120 kN.
Routine Test Load (RTL)：60 kN.
Standard：IEC 61109.
Professional
Rated Voltage：138 kV.
Power Frequency Withstand Voltage(Wet) ：275 kV.
Lightning Impulse Withstand Voltage (Pos./Neg.)：650 kV/696kV.
Standard：IEC 61109.
The Specification
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