Shu Guang
Shu Guang
In the modern era of power distribution, BestFusesOnPowerLines play a critical role in safeguarding multi-billion dollar infrastructure. As global energy demand surges, the shift toward smart grids and renewable energy integration requires advanced high-voltage current-limiting fuses that can handle rapid transients and extreme environmental conditions. From the bustling industrial zones in Europe to the expanding rural grids in Africa and Southeast Asia, our fuses provide the frontline defense against short-circuit currents and system overloads.
The industry is currently witnessing a transition from traditional protection to "intelligent" circuit interruption. The integration of IEC 60282 and DIN standards is no longer optional but a baseline for global trade. We are seeing an increased demand for eco-friendly polymeric materials and expulsion fuse links that offer longer service lives and lower maintenance costs. Our R&D team is focused on miniaturization and higher interruption capacities to meet the needs of modern compact substations.
International procurement officers are looking for more than just a product; they seek supply chain stability and technical compliance. Whether it's a utility project in South America or a private power plant in the Middle East, the requirement for localized application scenarios—such as oil-immersed transformer protection or capacitor bank isolation—requires a manufacturer who understands diverse global electrical standards (ANSI, BS, VDE, GB).
Wenzhou Shuguang Fuse Co., Ltd. is located in Yueqing, Zhejiang Province, the electrical capital of China. It is a power technology enterprise integrating research, development, production, sales and service. The predecessor of Wenzhou Shuguang Fuse Co., Ltd. was "Yueqing Shuguang Fuse Factory" established in 1992.
With over three decades of experience, we have evolved from a local factory into a globally recognized powerhouse in the electrical safety industry, specializing in the manufacturing of the world's most reliable high-voltage fuses for power lines.
Localized application for oil-immersed transformers requires back-up protection that is both reliable and sealed. Our H.V. HRC fuses are designed to meet DIN 43625 specifications, ensuring compatibility with standard switchgear worldwide.
For coastal regions, our polymeric and porcelain insulators provide high creepage distances to prevent tracking and flashovers caused by salt spray. Our "BestFusesOnPowerLines" are tested for corrosion resistance to thrive in harsh climates.
Wind farms and solar parks require fuses that can handle high DC voltages and fluctuating load profiles. Our current-limiting fuses are the preferred choice for protecting inverter-side transformers and distribution networks.
As a China factory leader, we ensure that every fuse link—whether it’s 11kV expulsion or 36kV HRC—undergoes rigorous thermal and interruption tests to guarantee grid uptime and equipment safety.
It is designated by the Ministry of Electric Power Industry to produce high-voltage fuses of various voltage levels, high-voltage current-limiting fuses, high-voltage fuses for power capacitors, voltage transformer protection fuses, zinc oxide arresters, drop-out fuses, high-voltage insulators, etc. The products have passed the high-power test station of the Electric Power Research Institute, the National High-voltage Electrical Apparatus Quality Supervision and Inspection Center, and the Xi'an High-voltage Electrical Apparatus Research Institute.
The highest technical performance meets the ANSI C37.42, DIN 43625, BS 2692, IEC 282-2, IEC 60644, IEC 60470, IEC 60282-1, IEC 269-2 and GB 15166.1/.2/.5, GB 13593, DL/T640-1997, VDE 0636 standards. Our company's quality assurance system is complete, having passed ISO 9001:2000 quality system certification.
In recent years, Wenzhou Shuguang Fuse Co., Ltd. has developed rapidly, significantly improving its economic and social benefits. We continue to deepen and improve the quality management system. While vigorously developing new products, we have always attached importance to the process flow.
High-quality raw materials and sophisticated testing equipment are the backing of our quality assurance system. All performance indicators are in line with the corresponding technical conditions, and new products can be customized and produced at any time according to user needs. The "Shu Rong" brand products have enjoyed a high reputation among domestic and foreign users.
Our products are exported to various provincial power companies in China. A complete sales network has been formed throughout the country, and good business contacts have been established.
The company adheres to the principle of "Development by science and technology, and survival by quality". We sincerely welcome customers from home and abroad to discuss cooperation and work together for the prosperity of the electric power industry.
Eliminate middleman markups. By sourcing BestFusesOnPowerLines directly from Wenzhou Shuguang, you gain access to wholesale pricing that allows for greater project margins without compromising on safety or quality.
Every grid has unique requirements. We specialize in customizing fuse dimensions, voltage ratings, and trip characteristics to meet the specific technical specifications of your local utility or industrial plant.
We don't just follow standards; we validate them. Our onsite testing facilities and partnerships with national laboratories ensure that every batch of current-limiting fuses meets the rigorous demands of IEC 60282-1.
