The company has won the praise of users for its stable product quality, timely delivery, reasonable price and good service, and enjoys a high reputation in the polymer post insulator, Composite Insulator Rubber, 138kV Composite Stay Insulator industry. The company enters the market, unlimited potential and rich creativity, coupled with its reliable performance and team. Attracted the attention of many customers. We have several production lines with advanced production level, high production efficiency and guaranteed quality to ensure our customers have a good purchasing experience. We are convinced that with unity, diligence, loyalty, faithfulness, self-improvement, keeping pace with the times, harmonious cooperation with all walks of life, mutual benefit and win-win situation, we can keep moving forward in the competition. We hope to create a better tomorrow through strengthening cooperation with industry enterprises and complementing each other's advantages.
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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Our rigorous quality management, mature and excellent technology, and advanced and complete test methods are reliable guarantees of the quality of our Horizontal Clamp Top Post Porcelain Insulator 57-24. We always regard the technology and prospects as the uppermost. We firmly believe the competition among modern enterprises is the competition of talents, so we absorb outstanding management talents and introduces good production equipment.
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