We have advanced testing equipment and perfect technical means to ensure the superior product performance of Polymeric insulators, 330kV station post insulator, Silicone rubber insulator . Our company has been praised by customers for its outstanding strength, excellent quality, reasonable price, and perfect service. We have maintained a good relationship with many merchants, and our business is all over the world. Our experienced team is fluent in multiple languages and cultures, facilitating global business. We value our client's feedback and use it to improve our products and services.
Composite Railway Insulator

Electrical Railway Insulator is designed to make power distribution in railway electrification systems more dependable and effective. This insulator plays a crucial part in overhead catenary systems, ensuring smooth energy transfer to power trains and locomotives with a focus on quality and endurance.
Technical Parameters
Description | Section Height H(mm) | Minimum Nominal Creepage Distance(mm) | Designed Arcing Distance (mm) | Specified Mechanical Tensile Load(kN) | Electrical Date | ||
Lightning Impulse Withstand Voltage ≥(kV) | Dry Power Frequency Withstand Voltage (kV) | Wet Power Frequency Withstand Voltage (kV) | |||||
FQX-25/100(120)QT | 700±20 | 1200 | 511 | 100(120) | 270 | 160 | 130 |
FQX-25/100(120)QH | |||||||
FQX-25/100(120)HH | |||||||
FQD-25/100(120)HY | 734±20 | ||||||
FQXJ-25/100(120)QT | 750±20 | 1400 | 561 | 100(120) | 290 | 175 | 140 |
FQXJ-25/100(120)QH | |||||||
FQXJ-25/100(120)HH | |||||||
FQXJ-25/100(120)HY | 785±20 | ||||||
FQXG-25/100(120)QT | 800±20 | 1600 | 611 | 100(120) | 310 | 190 | 150 |
FQXG-25/100(120)QH | |||||||
FQXG-25/100(120)HH | |||||||
FQDG-25/100(120)HY | 834±20 | ||||||
FQXS-25/100(120)QT | 790±20 | Primary / Secondary | 504 | 100(120) | 270 | 160 | 130 |
FQXS-25/100(120)QH | |||||||
FQXS-25/100(120)HH | 1200/145 | ||||||
FQDS-25/100(120)HY | 832±20 | ||||||
FQXSJ-25/100(120)QT | 840±20 | Pri./ Sec. | 554 | 100(120) | 290 | 175 | 140 |
FQXSJ-25/100(120)QH | |||||||
FQXSJ-25/100(120)HH | 1400/145 | ||||||
FQDSJ-25/100(120)HY | 874±20 | ||||||
FQXSG-25/100(120)QT | 890±20 | Pri./ Sec. | 604 | 100(120) | 310 | 190 | 150 |
FQXSG-25/100(120)QH | |||||||
FQXSG-25/100(120)HH | 1600/145 | ||||||
FQDSG-25/100(120)HY | 924±20 | ||||||
raw materials

Premium Material Composition: The use of high-strength fiberglass core and top-grade silicone rubber housing endows our insulator with exceptional mechanical strength and superior electrical insulation properties. This combination results in a reliable and long-lasting product, capable of withstanding the demanding conditions of railway operations.
Unparalleled Durability: Our insulators are manufactured with the finest rubber compounds, guaranteeing remarkable weather resistance. This robust design protects against UV degradation and aging, prolonging the insulator's service life, reducing maintenance costs, and enhancing overall operational efficiency.
Outstanding Pollution Performance: Equipped with hydrophobic silicone rubber, our insulators exhibit superior pollution flashover performance. This unique feature prevents the accumulation of contaminants and minimizes the risk of flashovers, ensuring uninterrupted power transmission even in heavily polluted environments.
We take pride in sourcing only the highest-quality raw materials for our insulators. This includes selecting premium rubber compounds, robust fiberglass cores, and top-grade metal fittings. By prioritizing quality materials, we deliver an Electrical Railway Insulator that excels in performance and durability.
international standard compliance
We are committed to maintaining the highest standards of quality and safety. Our Electrical Railway Insulator complies with the requirements of ISO 9001, ISO 45001, and ISO 14001, reinforcing our dedication to excellence and environmental responsibility.
Choose our Advanced Electrical Railway Insulator for a reliable, durable, and technologically advanced solution for your railway electrification needs. Experience seamless power distribution and a product built to withstand the challenges of railway operations, backed by comprehensive test reports and international standards compliance.
Introduction of Wuhan Line Power
Being supplier to State Grid of China and Ministry of Railways, we Wuhan Line Power supply composite insulators ranging from 10kV to 1100 kV with high quality and competitive prices for more than ten years. We are specialized in manufacturing customized Composite/Polymer insulators for the power Transmission,Substation in China. Such as Line post insulator, station post insulator, long rod suspension insulators for AC lines, long rod suspension insulators for DC lines, etc. Our items could comply with IEC, ANSI or GB standards.



Knowledge
Standardization and Testing:
To ensure the quality and reliability of composite insulators, they must adhere to industry standards and undergo rigorous testing procedures. International standards, such as IEC 61109 and ANSI C29.11, outline the requirements for composite insulators used in various electrical systems, including railway applications. These standards cover mechanical, electrical, and environmental performance criteria to guarantee consistent product quality and safety.
Advancements in Technology:
As railway electrification systems continue to evolve, ongoing research and development efforts focus on enhancing the performance of composite insulators. Advancements in material science, manufacturing techniques, and design optimization contribute to the development of innovative insulators with improved mechanical strength, electrical properties, and pollution performance. These advancements ultimately lead to more efficient and sustainable railway electrification systems, supporting the global shift towards greener transportation solutions.
We uphold a consistent level of professionalism, high quality, credibility and service for 160kn Suspension/Tension Composite Insulator -Height Reinforced Polymer / Silicone Rubber Insulator. Carry on to further improve, to guarantee merchandise high-quality in line with market and buyer standard necessities. Our corporate culture is mainly composed of the fine traditions of 'hard work' and 'precision and rigor', which are important connotations and a magic weapon to inspire us to overcome difficulties and continue to advance.
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