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China Kayi Industrial Co., Ltd.
The most reliable 10kV - 1100kV composite / polymer insulator supplier from China
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66kV-1000kV high tension insulators polymer insulator composite insulator

China Kayi Industrial Co., Ltd.
China Kayi Industrial Co., Ltd.
Province/State: Jiangsu
Country/Region: China
Contact Person:Mr Warren

66kV-1000kV high tension insulators polymer insulator composite insulator

Brand Name : KAYI
Model Number : 66-1000kV- 160kN-530kN insualtor
Certification : SGS KEMA STRI Type test reports
Place of Origin : China
MOQ : 8 pieces
Price : USD 50.00 - 1000.00 per piece
Payment Terms : T/T, L/C, D/A, D/P
Supply Ability : 20000 pieces per month
Delivery Time : 60 days
Packaging Details : Tubes cartons wooden boxes
Voltage : 66kV-1000kV
Mechanical load : More thank 160kN
Color : Gray red blue etc
Material : Composite insulator
Length : 1.1-12.5 meters
Tests : All type tested according to IEC and ANSI standards
Standards : IEC 61109 ANSI standards
Lead time : from 30 days
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Dimensions and Characteristics of 1000kV composite high tension insulators

Figure. NoModelRated VoltageSpecified Mechanical LoadSection Length

Insulating length

Minimum CreepageFull-Wave Impulse Withstand Voltage (Peak)

Wet Switching Impulse Withstand Voltage


1 Min Wet Power Frequency Withstand Voltage

Weight (for Reference)















1, 1000kV composite high tension insulators are widely used in 1000kV overhead transmission lines and substations

2, Dead end fittings are up to the requirements from the clients, usually we use ball, socket, tongue, clevis for suspension insulators with forged steel. The dimensions and coupling size can be exactly according to the specification requirements from the utilities.

3, The silicon rubber color of the insulators are also up to the requirements from the clients and all the silicon rubber materials past 5000 hours aging test silicon content test and hydrophobicity test.

4, ECR core rods are used in all the insulators, so we can guarantee a very good mechanical strength and anti-acid pollution performance for the insulators.

5, All our insulators were type tested and design tested in accordance with IEC61109, maximum RIV is 100µV when tested at 1MHz and10% over nominal line ground voltage for indicated system voltage.

6, All the 1000kV composite high tension insulators are with two corona rings.


1, 1000kV EHV overhead transmission power lines.

2, 1000kV EHV substations

Competitive Advantage:

1, Very good anti-pollution performance, no need to wash the insulators after the installation in lines.

2, Very convenient installation because of its light weight and one whole piece compared with glass insulators and ceramic insulators.

3, Excellent hydrophobicity characteristics can help to void flashover and guarantee the insulators with very good electric performance.

4, Our composite insulators designs offer lighter weight, less breakage, improved seismic performance, high hydrophobicity and withstanding contaminated condition and more flexibility in design than ceramic insulators. These features often translate into lower installation cost, greater durability and more aesthetically pleasing line design.

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66kV-1000kV high tension insulators polymer insulator composite insulator Images

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