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69kV Horizontal Line Post Insulator (Polymer Type) – With Aluminum Gain Base
Designed for overhead transmission systems, the 69kV horizontal line post insulator is a durable polymer line post insulator.
It is made up of hot-dip galvanized steel end fittings, an excellent silicone rubber housing, and a bearing solid fiberglass core rod. In addition to being lightweight and simple to install, the design provides excellent mechanical and electrical performance.
This polymer-type insulator is excellent for applications needing high stability and long-term reliability because it is specifically designed to handle cantilever, tensile, and compressive loads.
Technical Description
| Core Rod Diameter | 70 mm solid fiberglass core |
| Structure | silicone rubber housing, end fittings, and a cylindrical insulating core |
| End Fittings | Hot-dip galvanized cast or forged steel |
| Base Type | Aluminum gain base |
| Orientation | Horizontal clamptop design, standard leak distance |
| Application | 69 kV transmission lines installed on the cross-arms of poles or towers |
Strong attachment on steel or wood cross-arms is ensured by the Aluminum Gain Base, which provides precise position and durable mechanical support.
High-voltage transmission lines are suitable for dirty areas
Color: red, gray, blue, yellow according to customer requirements
Implementation standards;IEC 61109 GB/T 19519-2014
Different end fittings for Composite horizontal line post insulator
More information
|
Typical Line Voltage |
Section Length |
Dry Arcing Distance |
Leakage Distance |
Specified Cantilever Load |
Max. Design |
1min. Power Frequency Withstand Voltage |
Lightning Impulse Withstand Voltage |
|
69 |
950±30 |
717 |
2030 |
22.2 |
11.1 |
205/185 |
410 |
|
115 |
1090±30 |
870 |
2450 |
18 |
9 |
260/240 |
445 |
|
132 |
1274±30 |
1042 |
3202 |
17.5 |
7.4 |
325/275 |
560 |
|
145 |
1435±30 |
1210 |
3720 |
12 |
6 |
325/275 |
650 |
|
161 |
2130±30 |
1920 |
5800 |
9 |
4.8 |
504/464 |
1050 |
|
220 |
2926±40 |
2660 |
8680 |
6 |
3 |
466/420 |
1050 |
|
230* |
2616±30 |
2280 |
7730 |
12 |
6.3 |
684/578 |
1131 |
Factory Test Report
Application
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Our 69kv 57-25 Horizontal Line Post Porcelain Insulator with Top Clamp and technical level reach international standards and is the most ideal choice for users. The quality of our merchandise is equal to OEM's quality, because our core parts are the same with OEM supplier. So please make contact with us by sending us emails or call us if you have any questions about our corporation.
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