Explore our extensive range of high-voltage transmission glass and porcelain suspension insulators engineered for extreme electromechanical loads.
Modern electrical grids demand unparalleled structural integrity and long-term insulation stability. The integration of high-capacity energy generation, particularly remote renewable installations, necessitates overhead transmission networks capable of handling extreme voltage levels (EHV and UHV) across severe geographical terrains. As a pivotal component of these transmission systems, the U160BS toughened glass insulator serves a dual purpose: bearing critical mechanical tensile loads and preventing catastrophic electrical flashovers under extreme pollution, temperature fluctuations, and corrosive environments.
The U160BS classification designates a toughened glass disc suspension insulator characterized by a 160 kN electromechanical failing load, utilizing a classic ball-and-socket connection. With dimensions defined by a 146 mm spacing, a 280 mm shell diameter, and a 400 mm creepage distance, the U160BS is custom-engineered to optimize spatial configurations while delivering superior leakage path defense against industrial and coastal atmospheric deposition.
Compared to traditional porcelain or composite alternatives, toughened glass suspension insulators present definitive mechanical and diagnostic advantages:
Understanding structural differences is vital for power transmission engineers when selecting insulators for critical lines. Below is the specification breakdown:
| Insulator Model | Spacing (mm) | Disc Diameter (mm) | Creepage Distance (mm) | Electromechanical Load (kN) |
|---|---|---|---|---|
| U160BS (Standard Profile) | 146 | 280 | 400 | 160 |
| U160BM (Medium Profile) | 155 | 280 | 400 | 160 |
| U160BL (Long/Suspension Profile) | 146/155 | 280 | 450/480 | 160 |
Our comprehensive technological lineup adapts to various mechanical, geographical, and chemical load constraints worldwide.
Features leakage distances exceeding IEC 60305 baselines. Shallow, well-spaced ribs facilitate self-cleaning through natural wind and rain action, reducing maintenance in low-to-medium pollution zones.
Characterized by deep, widely spaced under-ribs that prevent arc bridging under salt fog and high humidity. Optimized leakage-to-spacing ratios make it ideal for coastal and industrial corridors.
Eliminates under-ribs to minimize dust and sand accumulation in desert environments. The open structure also prevents ice-bridging in high-altitude zones subject to heavy freezing.
Designed with dual external ribs that simplify manual cleaning in severe industrial regions. Performs exceptionally well in environments containing conductive dust and saline soils.
Features three independent layers of glass discs on a single body, providing maximum creepage protection for ultra-high voltage (UHV) systems located in extremely polluted or humid climates.
Pre-coated with Room Temperature Vulcanizing (RTV) silicone. This hydrophobicity-enhancing layer eliminates the need for periodic manual washing, preventing leakage currents in high-pollution areas.
Electrical grid utilities globally are faced with the challenge of aging transmission assets and the requirement to interconnect remote generation zones with urban demand centers. The U160BS toughened glass insulator addresses these challenges directly through high-capacity mechanical performance and versatile configurations.
Whether supporting critical river crossings, scaling high-elevation mountain chains, or navigating desert heat corridors, the U160BS offers the mechanical strength needed to tolerate high-tension configurations. For utilities upgrading existing paths, the compact dimensions of the U160BS (146mm spacing) allow engineers to increase tower creepage margins and enhance overall safety factors without having to redesign physical tower cross-arms.
Operational conditions differ greatly between regions. Recognizing these environmental dynamics is essential for choosing the correct insulator configuration:
Established in 2002 with a registered capital of 508 million Yuan, QOCI Electric has grown to become a premier manufacturer of high-performance transmission line insulators.
Located in the Industrial Park of Luxi County, Pingxiang, Jiangxi Province, our state-of-the-art facility spans over 70,000 square meters. We are committed to delivering world-class power transmission solutions, serving high-voltage and ultra-high-voltage AC/DC power networks across the globe. Our engineering expertise and focus on technological innovation allow us to maintain a stable, high-capacity supply of toughened glass insulators.
Our integrated manufacturing line employs automated controls to guarantee the structural and electrical stability of every insulator produced.
QOCI Electric products undergo testing in accordance with international standards, ensuring compliance with global utility regulations.












As transmission voltages transition into Ultra-High Voltage (UHV) regimes, traditional insulator designs face limits under high mechanical loads and atmospheric factors. Our engineering focus continues to drive innovations in next-generation high-voltage insulation technology:
Modern electrical grids rely on online diagnostic capabilities. Future high-voltage glass insulators are designed to integrate passive telemetry sensors directly into the metal cap. This design allows real-time measurement of leakage currents, ambient temperature, and mechanical tension. The collected data is fed directly into grid management systems, enabling predictive maintenance schedules and minimizing outage durations.
In line with global environmental goals, we have redesigned our smelting lines around total-oxygen combustion furnace designs. This process reduces gas emissions, lowers thermal energy demand, and minimizes the overall carbon footprint of our manufacturing process. We continue to focus on sustainable practices in glass formulation, ensuring high recyclability and safe handling across the entire lifecycle of our products.
Stay informed with current events and technical publications from Jiangxi QOCI Electric.
As the global energy transition accelerates, the importance of electricity, renewable energy, and energy storage technologies is becoming increasingly critical.
Having withstood extreme environmental conditions including icing, high altitude, pollution, earthquakes and typhoons, China's insulator industry continues to mature.
On behalf of our team at Jiangxi QOCI Electric Co., Ltd, we encourage you to join us at the IEEE PES T&D Conference & Exposition, the industry powerhouse.
Pingxiang, China - QOCI Electric, a leading supplier of power equipment and solutions, officially confirmed its presence at the Iraq energy showcase.
Clear, direct answers to common engineering questions regarding U160BS glass suspension insulators.
Supporting major infrastructure projects globally in partnership with leading transmission firms.




Review our comprehensive catalog of toughened glass suspension and porcelain insulators designed for regional distribution networks.