Shu Guang
Shu Guang
In the modern era of industrial electrification, the term DINFUSE represents more than just a component; it signifies adherence to the stringent DIN (Deutsches Institut für Normung) standards that govern electrical safety across the globe. As a premier China DINFUSE supplier, Wenzhou Shuguang Fuse Co., Ltd. recognizes that the global industrial sector is undergoing a massive transition toward smarter, more resilient power grids.
The global demand for high-voltage current-limiting fuses and DIN standard fuse-links has skyrocketed. From the bustling urban centers of Europe to the rapidly developing infrastructure in Southeast Asia and the Middle East, high-quality circuit protection is non-negotiable. Industrial giants are no longer just looking for "suppliers"—they are seeking long-term partners who can provide reliability, technical expertise, and a deep understanding of E-E-A-T principles in manufacturing.
Located in Yueqing, Zhejiang Province—widely known as the Electrical Capital of China—Wenzhou Shuguang Fuse Co., Ltd. is a power technology enterprise integrating research, development, production, sales, and service. Our journey began in 1992 as "Yueqing Shuguang Fuse Factory." For over three decades, we have remained at the forefront of the fuse industry, constantly evolving to meet the complex needs of the global energy sector.
We are designated by the Ministry of Electric Power Industry to produce high-voltage fuses across various voltage levels. Our technical performance meets and often exceeds international standards including ANSI C37.42, DIN 43625, BS 2692, IEC 60282-1, and VDE 0636. This depth of expertise is why we are a trusted DINFUSE supplier for national power companies and multinational corporations alike.
With the surge in solar and wind power installations, the need for specialized 12kV, 24kV, and 36kV HRC fuses has become paramount. These systems require fuses that can handle fluctuating loads and provide precise current-limiting capabilities to protect expensive inverters and transformers.
Modern grids are becoming digital. This requires protection devices that are not only reliable but also standardized. Our DIN standard back-up fuse-links are designed for seamless integration into smart substations where precision timing and fault isolation are critical.
The rapid expansion of EV charging networks globally has created a new market for protection. Our specialized EV fuses and DC protection solutions are engineered to meet the high-safety requirements of fast-charging stations and battery storage systems.
Our commitment to reliability is backed by rigorous testing and international certification. We don't just claim quality; we prove it through standardized validation.
All "Shu Rong" brand 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. We ensure every unit leaving our factory is capable of performing under the most extreme conditions.
In Europe and North America, our DIN standard fuses are primary choices for medium-voltage switchgear, protecting transformers from short-circuits and thermal overloads.
In Southeast Asia's growing manufacturing hubs, Shuguang fuses protect heavy-duty motors and capacitors, ensuring production lines remain operational without downtime.
Our zinc oxide arresters and dropout fuses are deployed in the Middle East and Africa, designed to withstand high temperatures and sandstorms while providing reliable lightning protection.
Wenzhou Shuguang Fuse Co., Ltd. adheres to the principle of "Development by science and technology, and survival by quality." We have formed a complete sales network throughout China and established deep-rooted business contacts in Southeast Asia, the Middle East, Africa, and Europe. Our domestic product sales rank among the top in the industry, proving our reliability and market acceptance.
In recent years, the company has developed rapidly, improving both economic and social benefits. While vigorously developing new products, we have always attached importance to the process flow. High-quality raw materials and sophisticated testing equipment are the backbone of our quality assurance system. Whether you need a standard DIN fuse or a customized solution for a unique voltage level, Shuguang is your definitive partner.
