Shu Guang
Shu Guang
In the rapidly evolving landscape of global power distribution, CE-certified high power fuses have become the bedrock of electrical safety and system reliability. As the world transitions toward renewable energy sources and smarter power grids, the demand for high-performance circuit protection has surged. Industrial sectors in Europe, North America, and Southeast Asia are increasingly prioritizing compliance with international standards such as IEC 60282 and DIN 43625.
Modern high power fuses are no longer just passive components; they are engineered for precision. Today’s industrial landscape requires fuses that can handle extreme short-circuit currents while maintaining structural integrity. From offshore wind farms to large-scale data centers, the necessity for reliable overcurrent protection is paramount to prevent catastrophic equipment failure and minimize downtime.
Miniaturization and higher voltage ratings are the key trends. As equipment becomes more compact, fuses must provide higher breaking capacity within smaller footprints.
The rise of Electric Vehicle (EV) charging infrastructure and solar PV arrays has created a massive need for specialized DC and AC fuses designed for sustainable energy.
With tightening safety regulations globally, CE certification and ISO quality management are non-negotiable for entering Tier-1 industrial supply chains.
Wenzhou Shuguang Fuse Co., Ltd. is located in Yueqing, Zhejiang Province, the electrical capital of China. We are a power technology enterprise integrating research, development, production, sales, and service. The legacy of our expertise dates back to 1992, when our predecessor, "Yueqing Shuguang Fuse Factory," was established.
With over three decades of specialized experience, we have evolved from a local manufacturer into a global leader in high-voltage circuit protection. Our commitment to innovation has allowed us to develop products that not only meet but exceed the stringent requirements of the modern electrical industry.
Global enterprises today seek more than just a component; they seek a strategic partnership. Procurement teams from Europe to the Middle East look for suppliers who can offer high-power fuses with proven track records. Our ability to provide custom solutions, combined with short lead times and competitive pricing as a direct factory, makes us the preferred choice for EPC contractors and utility providers.
Our fuses are deployed in diverse environments. In Southeast Asia’s tropical climate, our polymer insulators and drop-out fuses withstand high humidity. In Europe’s sophisticated industrial zones, our HRC current-limiting fuses provide precise protection for sensitive power electronics and voltage transformers.
We understand that every local grid has unique specifications. Whether it's meeting 11kV expulsion requirements in Africa or DIN standard back-up fuse-links in Germany, our technical team ensures that every unit is optimized for its specific localized application.
We are designated by the Ministry of Electric Power Industry to produce high-voltage fuses of various voltage levels, including high-voltage current-limiting fuses, fuses for power capacitors, and voltage transformer protection fuses. Our products have undergone rigorous testing at premier institutions including:
Our technical performance standards are aligned with: ANSIC37,42, DIN43625, BS2692, IEC282-2-1995, IEC60644, IEC60470, IEC60282-1, IEC269-2, GB15166.1, GB15166.2, GB15166.5, GB13593, DL/T640-1997, and VDE0636. We are proud to hold the ISO9001: 2000 quality system certification, ensuring every product leaving our factory is of the highest caliber.
In recent years, Wenzhou Shuguang Fuse Co., Ltd. has developed rapidly, with significant improvements in economic and social benefits. We continue to deepen and improve our 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.
Our "Shu Rong" brand products have enjoyed a high reputation among domestic and foreign users. 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. As a Chinese factory, our advantage lies in the perfect balance of technological sophistication and cost-efficiency.
Our products are exported to various provincial power companies in China, forming a complete sales network throughout the country. Beyond our domestic success, our high-voltage fuses and current-limiting products are exported to:
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 and development of the electric power industry.
