Professional Silicone Rubber suspension Insulator, Polymer Tension insulator for electrified railway, Composite Pin Insulator Years, high quality, high efficiency, high standard. Our focus on transparency and honesty allows us to build strong and trusting relationships with our customers, suppliers, and partners. Innovation is not only the inexhaustible power to promote the sustainable development of our company, but also the source of our company's survival and competitive advantage in the fierce market. The company attaches great importance to product quality, and a strong sense of quality has become the core content of the corporate culture, which is deeply rooted in the minds of the majority of employees.
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
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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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'Based on domestic market and expand overseas business' is our improvement strategy for 11kv 33kv 70kn Composite Horizontal Line Post Insulator. The company is committed to the development of new products in the market and pursues the principle of improving product quality and treating customers wholeheartedly. We are convinced that with joint endeavours, the small business between us will bring us mutual benefits.
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