Shu Guang
Shu Guang
Wenzhou Shuguang Fuse Co., Ltd. is strategically located in Yueqing, Zhejiang Province—recognized globally as the electrical equipment capital of China. As a premier power technology enterprise, we integrate rigorous research, high-precision development, automated manufacturing, technical sales, and responsive global service.
Tracing our roots back to the establishment of "Yueqing Shuguang Fuse Factory" in 1992, our multi-decade engineering evolution reflects an unwavering dedication to industrial safety, circuit reliability, and advanced electrical performance under extreme fault currents.
Contact Our Engineering TeamNavigating the complexities of modern electrical power infrastructure requires advanced technical roadmaps. Our High Rupturing Capacity (HRC) fuses are engineered to handle extreme prospective short-circuit currents across diverse macroeconomic sectors.
Modern power grids demand ultra-fast current-limiting capabilities to protect expensive substation transformers and switchgears from catastrophic thermal and dynamic overloads.
Tailored protection for utility-scale solar photovoltaic (PV) combiner boxes and wind turbine converters, ensuring stable operation under high DC/AC voltage fluctuations.
Robust engineering designed to withstand harsh industrial environments, continuous heavy-duty cycling, and severe fault interruption requirements.
As a trusted China Best HRC Fuse Manufacturer & Supplier, our operational footprint spans across domestic provincial power companies and international markets throughout Southeast Asia, the Middle East, Africa, and Europe. Our production volume and technological benchmarks rank consistently among the top tier of the global electrical manufacturing sector.
Designated by the Ministry of Electric Power Industry, our manufacturing facility is equipped with advanced testing apparatus to guarantee uncompromised safety and performance metrics.
All products undergo strict high-power verification at the Electric Power Research Institute, National High-voltage Electrical Apparatus Quality Supervision and Inspection Center, and Xi'an High-voltage Electrical Research Institute.
Engineered in strict compliance with international benchmarks including ANSIC37.42, DIN43625, BS2692, IEC282-2-1995, IEC60644, IEC60470, IEC60282-1, IEC269-2, VDE0636, and national GB standards.
Leveraging our sophisticated process flow and high-grade raw materials, we provide bespoke product development and rapid customization tailored to unique regional grid specifications.
With operations dating back to 1992, we combine decades of metallurgical and electrical engineering expertise with state-of-the-art testing laboratories. Our HRC fuses meet rigorous international standards (IEC, DIN, ANSI) and are trusted by major power utilities across more than 50 countries.
Our high-voltage and low-voltage HRC fuses comply strictly with global benchmarks including IEC 60282-1, IEC 60269-2, DIN 43625, ANSI C37.42, BS 2692, and GB 15166. Each batch undergoes comprehensive electrical and thermal testing before shipment.
Yes. As an integrated research and manufacturing enterprise, we offer full OEM/ODM customization capabilities. We can design and produce specialized fuse links, ratings, and dimensions tailored precisely to your specific electrical network parameters and application demands.
We operate under an ISO 9001:2000 certified quality management system. Utilizing premium-grade raw materials, precision manufacturing machinery, and rigorous verification from authorized national high-voltage testing stations, we ensure every product delivers flawless fault-clearing performance.
