Shu Guang
Shu Guang
Industry-leading medium and high voltage current-limiting fuses.
Established in 1992 as "Yueqing Shuguang Fuse Factory," our company has evolved into a premier High Voltage Fuse Supplier & Factory. Located in Yueqing, Zhejiang—the renowned "Electrical Capital of China"—we integrate research, development, production, and professional sales services.
For over three decades, we have dedicated ourselves to the power technology sector, consistently refining our processes to meet the rigorous demands of global electricity grids. Our predecessor's commitment to quality laid the foundation for what is now a high-tech enterprise at the forefront of circuit protection innovation.
Years Experience
Export Countries
9001:2000 Certified
The global shift towards Smart Grids requires high-precision protection. As a leading high voltage fuse supplier, we've observed a massive uptick in demand for current-limiting fuses that offer fast-acting interruption to protect sensitive digital infrastructure within modern power networks.
Solar and wind farms operate under unique electrical loads. Modern industry trends show a shift toward 24kV and 36kV HRC fuses designed specifically to handle the fluctuating output of renewable energy transformers and capacitor banks.
Industrial space is at a premium. Global procurement teams are now seeking miniature fuse links (like our 10kV 0.63A 8*150mm models) that provide maximum rupturing capacity within the smallest possible footprint for compact switchgear.
The High Voltage Fuse industry is currently experiencing a technological renaissance. As urbanization accelerates in Southeast Asia and the Middle East, and as Europe upgrades its aging infrastructure, the need for reliable "Shu Rong" brand protection has never been greater. Our factory remains at the heart of this transition, ensuring that power remains stable, safe, and efficient across all borders.
When global enterprises look for a High Voltage Fuse Factory, they aren't just buying a component; they are investing in the safety of multi-million dollar transformers and substations. Our products are engineered for diverse localized scenarios:
In high-density cities, DIN Standard Current-Limiting fuses (12kV to 36kV) are essential for protecting indoor transformers where space is limited and reliability is non-negotiable.
For outdoor overhead lines, our Porcelain Drop Out Fuse Cut Outs provide visible isolation and reliable fault protection in harsh environmental conditions, common in rural Southeast Asia and Africa.
Specific industries require back-up protection within transformer tanks. Our Wholesale H.V. HRC Fuses for Oil-Immersed Transformers are designed to operate perfectly while submerged, meeting IEC standards.
Heavy manufacturing plants utilize our current-limiting fuses to protect high-voltage motors from short-circuit damage, preventing costly downtime and equipment replacement.
Designated by the Ministry of Electric Power Industry.
Our authority as a High Voltage Fuse Supplier is backed by rigorous testing and certifications. We adhere to the following international and national technical standards:
Every product undergoes stringent performance tests at the National High-voltage Electrical Apparatus Quality Supervision and Inspection Center and the Xi'an High-voltage Electrical Apparatus Research Institute. This ensures that every high-voltage current-limiting fuse, zinc oxide arrester, and insulator leaving our factory is of impeccable quality.
Based in Wenzhou, the epicenter of electrical engineering, we have immediate access to high-quality raw materials and specialized components, allowing us to maintain competitive lead times and costs.
We don't just manufacture; we innovate. Our factory can customize and produce new product variations at any time based on specific user requirements, adapting to the unique voltages of different global regions.
Our mass production capacity serves provincial power companies within China and export markets globally, ensuring that we can handle large-scale wholesale orders without compromising on precision.
Our "Shu Rong" brand has built a high reputation by adhering to the principle: "Development by science and technology, and survival by quality."
Powering and protecting vital infrastructure around the world.
Whether you are looking for standardized IEC 60282 fuses or custom-engineered miniature fuse links, Wenzhou Shuguang Fuse Co., Ltd. provides the technical expertise and manufacturing scale to support your project. Join our network of partners across Southeast Asia, the Middle East, Africa, and Europe.
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