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Composite post insulator

 Composite post insulator, also called polymer post insulator or silicone rubber post insulator, consists of an insulating core-fiberglass rod and a housing (HTV Silicone Rubber) moulded or cast with end fittings by circumferential crimping process.

Composite post insulator technical data:
1. Composite post insulator section length:380mm
2. Composite post insulator creepage distance: 1000mm
3. Composite post insulator arcing distance: 350mm
4. Composite post insulator color: grey
5. Composite post insulator norminal voltage: 33kV
6. Composite post insulator power frequency wet withstand voltage: 70kV
7. Composite post insulator lightning impulse withstand voltage: 170kV
8. Composite post insulator mechanical falling load: 13kN
9. Composite post insulator routine tension load: 6.5kN
10. Composite post insulator applied standard
Our existing composite post insulators range from 10kv-220kv, for insulators up to 220kv to 500kV, welcome to contact us at any time:
Relative Articles:

Porcelain insulators,silicone rubber insulators
Outdoor porcelain and polymer insulating material

High strength light weight fiberglass rod


About Us - Composite insulator manufacturer
More than 40 years experience in power industry since 1978 as a composite insulator manufacturer in China, advanced manufacturing process, strict quality control test system, ISO certificated, excellent communication, considerate services, enable us to be a leading composite insulator manufacturer of composite insulator and polymer insulator.
Our Advantage
ISO 9001 certificate
5000h Aging Type Test Report
Considerate after-sale services
Patent Product and New Technique
Instant Response for Each Requirement

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