Shu Guang
Shu Guang
DIN standard fuses (Deutsches Institut für Normung) represent the pinnacle of European and international engineering. Across the globe, from the industrial hubs of Germany to the rapidly expanding infrastructure of Southeast Asia, DIN fuses are the preferred choice for protecting high-voltage switchgear and transformers. Their standardized dimensions ensure interoperability and ease of maintenance in global power grids.
In the industrial sector, high-voltage DIN fuses are vital for preventing catastrophic failures in electrical distribution. As global industries move toward automation and Industry 4.0, the demand for reliable circuit protection has spiked. High-quality DIN fuses act as the ultimate safeguard for medium voltage networks, ensuring that equipment like motors and power transformers are shielded from overcurrent and short-circuits.
The global market for high-voltage current-limiting fuses is witnessing a CAGR of over 5%. This growth is driven by the modernization of aging power grids in developed nations and the massive electrification projects in emerging economies. Manufacturers in China, like Shuguang Fuse, have become pivotal players by offering products that meet stringent IEC and DIN standards at a competitive scale.
Wenzhou Shuguang Fuse Co., Ltd. is strategically located in Yueqing, Zhejiang Province—widely recognized as the Electrical Capital of China. We are a power technology enterprise that seamlessly integrates research, development, production, sales, and service.
Our journey began in 1992 as the "Yueqing Shuguang Fuse Factory." Over the past three decades, we have evolved from a local workshop into a world-class manufacturing facility. Our 30-year heritage is built on a foundation of technical expertise and an unwavering commitment to electrical safety. As a designated producer for the Ministry of Electric Power Industry, we have played a critical role in the development of China's high-voltage power infrastructure.
The shift towards solar and wind power requires robust protection for inverters and collector circuits. High-quality DIN fuses are now being optimized for DC applications and fluctuating loads common in renewable energy plants.
Electric vehicle charging stations require medium-voltage protection to handle high power throughput. Our wholesale EV fuse solutions are at the forefront of this automotive revolution, providing safety for fast-charging networks.
Future fuses are becoming "smarter" with thermal indicators and striker pins that can trigger remote alarms, reducing downtime in modern smart grids. Our products conform to IEC60282-1, ensuring they are ready for next-gen utility needs.
Established Year
Years Experience
9001:2000 Certified
Industry Ranking
Our commitment to quality is validated by the most prestigious testing institutions in the power industry. We don't just manufacture fuses; we engineer peace of mind.
Our products meet and exceed: ANSIC37.42, DIN43625, BS2692, IEC282-2-1995, IEC60644, IEC60470, IEC60282-1, IEC269-2. Domestically, we adhere to GB15166.1, GB15166.2, DL/T640-1997, and VDE0636 standards.
Every product line has passed rigorous testing at the National High-voltage Electrical Apparatus Quality Supervision and Inspection Center and the Xi'an High-voltage Electrical Apparatus Research Institute. All performance tests, including breaking capacity and thermal stability, are qualified.
With a complete quality assurance system certified by ISO9001:2000, we ensure that every DIN fuse leaving our factory is of the highest caliber. Our "Shu Rong" brand is synonymous with reliability among domestic and international utility companies.
International procurement managers look for three pillars: Reliability, Compliance, and Cost-Effectiveness. Wenzhou Shuguang Fuse Co., Ltd. delivers on all three. Our products are exported to various provincial power companies within China and have established a robust sales network globally.
Whether it is a 36kV HRC fuse for a European distribution transformer or a specialized lightning arrester for high-altitude regions in Asia, we provide tailored solutions. Our high-voltage current-limiting fuses are specifically designed to handle the specific fault levels and environmental conditions of local grids, ensuring seamless integration into existing infrastructure.
Our factory employs sophisticated testing equipment to ensure every batch meets the peak technical performance indicators. While vigorously developing new products like EV fuses and capacitor protection fuses, we remain dedicated to the process flow of traditional high-voltage components.
Our raw materials are sourced from premium suppliers, providing the backing for our quality assurance system. This allows us to customize and produce high-performance fuses at any time according to specific user needs. The synergy between high-quality raw materials and sophisticated testing equipment makes our "Shu Rong" brand a leader in the industry.
Protecting critical transformer units from short-circuit damage using current-limiting DIN fuses.
Safeguarding high-power industrial motors against overcurrent during startup and operation.
Ensuring the safety of solar farms and wind turbine electrical collectors with specialized fuse-links.
Oil-immersed fuse-links for compact underground distribution transformers in urban areas.
As a leader in the China High-Quality Din Fuses Manufacturer space, we are dedicated to "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. Our sophisticated testing, high-quality raw materials, and decades of expertise ensure your electrical systems are protected by the best in the industry.
