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500kV Polymer Suspension Insulators

The silicon rubber shed, designed according to the aerodynamics principle, use the whole-moulding method, to make sure the validity of total creepage distance under every climate and nasty conditions, as well as improved the pollution discharge of the insulators. The fiber rod uses the ECR high-temperature and acid-proof material. The end fitting connection adopts the zinc cover protection.
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Composite suspension insulator also called composite long rod insulator, polymer suspension insulator, polymer long rod insulator, silicone rubber

suspension insulator, silicone rubber long rod insulator.


Silicon Rubber for sheds/housing

Glass-fiber reinforced epoxy resin rod (ECR type) for core

Hot dip galvanized cast steel for metal fittings

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

Above 110kV also need corona rings


System voltage: 500kV

Strength: 120kN, 160kN, 210kN, 300kN, 400kN, 420kN

Color: grey, red, white or customerised

Standard: IEC standard, ANSI standard, BS standard

Creepage distance: 21mm/kV, 25mm/kV, 27mm/kV, 33mm/kV, 40mm/kV

Design according requirement


System Voltage


Section Length


Arcing Distance

Creepage Distance

Coupling Size

Specified Mechanical Load

Lightning Impulse
Withstand Voltage

Power Frequency
Withstand Voltage



500 FXBW-500/120 4050 4600 16000 16 120 2050 820 740
500 FXBW-500/160 4050 4600 16000 20 160 2050 820 740
500 FXBW-500/210 4050 4600 16000 20 210 2050 820 740
500 FXBW-500/300 4450 4500 16000 24 300 2050 820 740
500 FXBW-500/420 4450 4500 16000 28 420 2050 820 740
Order Information:
1.Pollution level; 2.Voltage grade; 3.Mechanical load; 4.Insulation distance; 5.Creepage distance; 6.Section length; 7.Coupling type
Ps. Different design could be supplied as customer requirements

















                Polymer Suspension Insulator--Ball and Socker Insulator


① Shed connected with core by integral forming

② Metal end fittings, core and sheds connected by new crimping process

③ The thickness of housing > 3mm, uniform thickness, confirm to IEC Standard

④ Acid resistant, high temperature resistant of epoxy fiberglass core

⑤ The material of metal end fittings is used with hot galvanization and technology of rare earth aluminum

      coating to avoid coating shedding when crimping, prolonging the service life of the product


1.Do you accept OEM or ODM?
Yes,we're a factory, any your customized requirements we can do our best to help you realize.

2. How does your factory do regarding quality control?
All the products will be 100% checked before the shipment and we have pass through the QC System.

3.Can you provide  samples?
Yes,plesae contact us to know the sample policy.

4.Usual Payment Term.
We accept terms of T/T, L/C, Western Union and others. Any question, please ask us!

5. Can I visit your company or website?
Of course, you are welcome.

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Add:Shaying Industrial Development Zone, Hejian City, Hebei Province     Hotline:0317-3603189+8615815529899

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