Shu Guang
In the rapidly evolving landscape of global power distribution, the demand for high-reliability circuit protection has never been higher. Current Limiting Fuses (CLF) serve as the critical "first line of defense" in high-voltage networks, preventing catastrophic equipment failure by interrupting short-circuit currents before they reach their peak.
Wenzhou Shuguang Fuse Co., Ltd., established in 1992, stands at the forefront of this industry. Located in Yueqing, the electrical capital of China, we integrate 30+ years of manufacturing experience with modern AI-driven quality control to supply global markets with premium high-voltage solutions.
Solar and wind farms require specialized fuses capable of handling the unique transient characteristics of inverter-based resources. Our XRNP and HRC series are designed specifically for these modern grid requirements.
Procurement teams are shifting focus from "lowest cost" to "total cost of ownership." Reliable current limiting fuses reduce downtime in smart substations, a key priority for European and North American utilities.
As urban substations become more compact, the need for miniature fuse links and space-saving DIN standard designs has increased. We provide 8*150mm and other custom sizes for confined environments.
Wenzhou Shuguang Fuse Co., Ltd. (formerly Yueqing Shuguang Fuse Factory) is a premier power technology enterprise. Since 1992, we have been designated by the Ministry of Electric Power Industry to produce high-voltage fuses across various voltage levels.
Our commitment to E-E-A-T (Experience, Expertise, Authoritativeness, and Trustworthiness) is evidenced by our rigorous testing protocols. Our products are tested and qualified by the highest authorities in the industry, including:
Ensuring seamless integration into global power projects.
| Region / Standard Body | Applicable Standards | Product Range Covered |
|---|---|---|
| International (IEC) | IEC60282-1, IEC282-2, IEC60644, IEC60470 | High voltage current-limiting fuses, back-up fuse-links. |
| European (DIN/VDE) | DIN43625, VDE0636 | HRC Current limiting fuses, Medium voltage DIN standard. |
| American (ANSI) | ANSI C37.42 | High voltage fuses for distribution systems. |
| British (BS) | BS2692 | High voltage fuse-links for industrial applications. |
| Chinese (GB/DL) | GB15166.1/2/5, DL/T640-1997 | Domestic utility and transformer protection. |
Specifically engineered HRC fuses for oil-immersed transformers, providing reliable back-up protection against internal faults in substation environments.
Tail wire recovery capacitor protection fuses designed to handle high inrush currents typical in power factor correction units.
Compact DIN standard fuses for integration into medium voltage switchgear (12kV, 24kV, 36kV) used in manufacturing plants and data centers.
Zinc oxide arresters and drop-out fuses for outdoor solar farms and wind turbine distribution lines, offering superior weather resistance.
Partnering with a specialized manufacturer like Wenzhou Shuguang provides distinct competitive advantages for global distributors and EPC contractors:




Our "Shu Rong" brand products have enjoyed a high reputation among domestic and foreign users. Whether you are looking for standard DIN links or custom OEM solutions, our team is ready to discuss your cooperation.
Complete sales network across China, serving provincial power companies with top-tier rankings.
Serving Southeast Asia, the Middle East, Africa, and Europe with IEC-compliant products.