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ZTT’s Composite Long Rod Insulators: Ensuring Reliable Electrical Infrastructure

ZTT, a global leader in electrical equipment and solutions, specializes in manufacturing the composite long rod insulator, a vital component for maintaining reliable electrical infrastructure. These insulators are designed to provide both electrical insulation and mechanical support for various applications, including overhead transmission lines, substations, distribution lines, and railway systems. In this article, we will delve into the design, construction, and diverse applications of ZTT’s composite long rod insulators.

Design and Construction

ZTT’s composite long rod insulators are engineered to excel in both electrical insulation and mechanical support. With a remarkable maximum mechanical strength of up to 1000kN, these insulators are built to withstand extreme conditions, ensuring uninterrupted power distribution. The design and construction of ZTT insulators prioritize durability and reliability.

Adherence to Reference Standards

ZTT is committed to maintaining the highest quality and safety standards in its products. The company’s composite long rod insulators meet international standards, including those from the IEC series (such as IEC 61109, IEC 61952, and IEC 383). Furthermore, ZTT offers the flexibility to customize insulators to meet specific customer requirements and standards, such as AS and IS, showcasing its dedication to serving diverse industry needs.

Applications and Versatility

ZTT’s composite long rod insulators find versatile applications across multiple sectors. They are essential components for various purposes, including supporting and suspending electrical conductors in overhead transmission lines, securing conductors on transmission lines to prevent electrical shorts, providing electrical insulation and mechanical support for substation equipment, contributing to the stability of electrical infrastructure by supporting cross-arms, and ensuring power distribution reliability and safety in railway systems.


ZTT’s composite long rod insulators are indispensable for maintaining the integrity and reliability of modern electrical infrastructure. With a strong focus on quality, innovation, and customization, ZTT continues to lead the industry in providing dependable solutions tailored to a wide array of applications. These insulators play a pivotal role in safeguarding the continuous and reliable distribution of electricity across the globe.

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