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750kV Polymer Suspension Insulator

Size of Bearing Capacity: 120kN~550kN Certification: ISO9001 Color: Grey & Red Transport Package: Paper Tube Specification: Silicone rubber + FRP Rod + End fitting Origin: China HS Code: 8546900000
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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: 700kV, 750kV, 800kV

Strength: 120kN, 160kN, 210kN, 300kN, 400kN, 420kN,500kN, 550kN

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


Lightning Impulse
Withstand Voltage

Power Frequency
Withstand Voltage



750 FXBW-750/120 7150 6750 23500 16 120 2700 1160 1050
750 FXBW-750/210 7150 6750 23500 20 210 2700 1160 1050
750 FXBW-750/300 7150 6750 23500 24 300 2700 1160 1050
750 FXBW-750/420 7150 6750 23500 28 420 2700 1160 1050
750 FXBW-750/550 7150 6550 23500 32 550 2700 1160 1050
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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