Shu Guang
Shu Guang
The global energy landscape is undergoing a massive transformation, shifting from traditional fossil fuels to decentralized renewable energy sources. This transition has placed High Voltage Fuses at the forefront of electrical infrastructure reliability. As power grids become more complex with the integration of solar farms, wind turbines, and massive EV charging networks, the demand for precise, ultra-reliable current-limiting protection has reached an all-time high.
Today, High Voltage HRC (High Rupturing Capacity) fuses are essential components in substations across North America, Europe, and the Middle East. They are the primary line of defense for distribution transformers and capacitor banks, ensuring that fault currents are cleared in milliseconds to prevent catastrophic equipment failure and grid-wide blackouts.
Modern HV fuses are being designed with visual indicators and remote sensing compatibility to integrate into SCADA systems for real-time monitoring of grid health.
Manufacturers are moving toward polymer insulators and non-toxic extinguishing agents (high-purity quartz sand) to meet stringent global ESG standards.
With increasing grid density, the requirement for fuses that can handle higher short-circuit currents (up to 50kA or more) is becoming the industry norm.
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 predecessor of Wenzhou Shuguang Fuse Co., Ltd. was "Yueqing Shuguang Fuse Factory" established in 1992.
Our company is designated by the Ministry of Electric Power Industry to produce high-voltage fuses of various voltage levels, including:
For global procurement managers, reliability is non-negotiable. Our products undergo rigorous testing at the highest authority labs in China and internationally. All products meet the following technical conditions:
| Region/Standard | Standard Number | Application |
|---|---|---|
| International | IEC60282-1, IEC282-2, IEC60644 | General HV Fuses & Motor Protection |
| European (German) | DIN43625, VDE0636 | Current Limiting Fuse Dimensions |
| British Standard | BS2692 | High Voltage Fuse-links |
| American | ANSI C37.42 | Distribution Cutouts and Fuses |
| China National | GB15166.1/.2/.5, DL/T640 | High-voltage AC Fuses |
The products have passed tests at the Xi'an High-voltage Electrical Apparatus Research Institute and the National High-voltage Electrical Apparatus Quality Supervision and Inspection Center, ensuring they perform under the most extreme fault conditions.
Located in Yueqing, we have immediate access to high-purity copper, specialized ceramics, and advanced polymer materials, reducing lead times and costs.
Unlike rigid multinational brands, we can customize fuse dimensions, striking forces, and time-current characteristics to match legacy systems in different countries.
We continuously invest in process flow improvements and sophisticated testing equipment to ensure every "Shu Rong" brand product maintains a high reputation globally.
Our fuses are not just generic components; they are engineered for specific environments:
The products are exported to various provincial power companies in China. A complete sales network has been formed throughout the country, and good business contacts have been established. New high-voltage fuses and high-voltage current-limiting fuse products are exported to Southeast Asia, the Middle East, Africa, Europe and other countries and regions.
Wenzhou Shuguang Fuse Co., Ltd. continues to deepen and improve our quality management system, ensuring we never exceed long-term development risks. We sincerely welcome customers from home and abroad to discuss cooperation and work together for the prosperity of the electric power industry.
