The International Electrotechnical Commission (IEC) is a global organization that develops and publishes international standards for all electrical, electronic, and related technologies. IEC 61466 - 1 holds great importance for composite insulators used in medium&high - voltage systems. By adhering to IEC 61466 - 1, manufacturers can ensure that their composite insulators meet international quality and safety standards, providing a reliable foundation for the operation of overhead lines.
A Brief Introduction to Composite Tension Insulator SDI90.280
Composite tension insulators are essential components in Medium - voltage overhead lines. They are designed to withstand the tensile forces exerted on the conductors, while also providing electrical insulation to prevent current leakage. The composite tension insulator SDI90.280 is a specific model that has gained recognition in the industry.
The SDI90.280 is engineered to meet the demanding requirements of modern medium - voltage power transmission systems.
JERA LINE's HDPE tension insulator PTI - 1 - 400
Building on the foundation of the IEC 61466 - 1 standard and the capabilities of composite tension insulators like the SDI90.280, JERA LINE has developed an exceptional product: the PTI - 1 - 400 composite tension insulator.
Technical Specification

Advantages of HDPE tension insulator PTI - 1 - 400
Application Range of composite tension insulator PTI - 1 - 400
Jera Line is a leading manufacturer of products for low and medium voltage overhead cable solutions, the one of the main solution is MV overhead line accessories. To choose Jera Line as your medium voltage tension insulator supplier due to the following reasons:
Jera Line’s MV Tension insulator comply with IEC 61466-1 international standards, ensuring reliable and safe products.
Utilizes high-quality materials, robust design, and rigorous testing to ensure longevity and performance.
Provides competitive pricing as it’s a direct factory location in China.
The sales tem have strong experience in power cable area products, with technical assistance.
Jera Line has 5 years warranty of products, before shipping, the products will be tested in Jera Line in-house laboratory, to ensure the quality.
Excellent resistance to humidity, pollution, UV exposure, and extreme weather conditions, making Jera Line’s products ideal for outdoor and harsh environments.
With certified products, factory-direct pricing, fast global delivery, and proven technical performance, Jera Line is the trusted partner for your medium voltage composite tension insulator. Our commitment to quality, innovation, and customer support ensures that you receive reliable products for the energy infrastructure.
Choose Jera Line—where quality meets value, welcome to contact us!







