Shu Guang
Shu Guang
In the modern era of energy transition, the role of Wholesale High Power Fuses has evolved from simple circuit protection to critical insurance for trillion-dollar power grids and industrial assets. As the world shifts toward electrification—driven by the massive expansion of Electric Vehicle (EV) infrastructure, renewable energy integration, and smart grid automation—the demand for high-reliability circuit protection has reached unprecedented levels.
Globally, the high power fuse market is no longer just a niche sector of the electrical industry. It is a fundamental component of the global supply chain. From the heavy industries of North America and Europe to the rapidly developing infrastructure in Southeast Asia and Africa, High-Voltage (HV) and Medium-Voltage (MV) fuses are indispensable. These components prevent catastrophic failures in transformers, motors, and capacitor banks, ensuring that power remains stable even under extreme fault conditions.
Years of Experience
Exporting Countries
9001 Certified
Standard Compliance
Current industrial trends indicate a significant move towards miniaturization combined with higher breaking capacities. Enterprises are now seeking "smart" fuse solutions that can withstand higher ambient temperatures and more frequent cyclic loading—typical in solar and wind farm applications. This is where China's Wholesale High Power Fuse factories lead the market, offering a perfect balance of advanced material science and cost-effective manufacturing.
Wenzhou Shuguang Fuse Co., Ltd. is located in Yueqing, Zhejiang Province, the electrical capital of China. As a power technology enterprise integrating research, development, production, sales and service, we have been at the forefront of the industry for decades. The predecessor of Wenzhou Shuguang Fuse Co., Ltd. was "Yueqing Shuguang Fuse Factory" established in 1992.
For over 30 years, we have dedicated ourselves to the mastery of electrical protection. Our journey from a local factory to a globally recognized supplier is built on the foundation of quality and innovation. We specialize in producing high-voltage fuses of various voltage levels, current-limiting fuses, and specialized protection for power capacitors and transformers.
Contact Our Expert TeamThe rise of DC fast charging and battery energy storage systems (BESS) requires high-performance DC fuses that can clear faults in milliseconds. Our EV-dedicated fuse line is designed to meet these rigorous standards.
Solar inverters and wind turbines experience harsh environments. Our DIN-standard current-limiting fuses provide the thermal stability needed for renewable applications.
Modern grids require intelligent protection. Our expulsion fuse links and drop-out fuses are optimized for easy maintenance and clear visual fault indication in remote grid segments.
For global procurement officers, the challenge is finding a High Power Fuse Factory that understands international standards. At Wenzhou Shuguang, our products are engineered to meet ANSI C37.42, DIN 43625, BS 2692, and IEC 60282 standards. This ensures that whether you are procuring for a project in the UK, Germany, or the United States, our fuses will integrate seamlessly into your local electrical code requirements.
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. All performance indicators are in line with technical conditions.
Our products have passed the high-power test station of the Electric Power Research Institute of the Ministry of Electric Power, the National High-voltage Electrical Apparatus Quality Supervision and Inspection Center, and the Xi'an High-voltage Electrical Apparatus Research Institute.
New products can be customized and produced at any time according to user needs. "Shu Rong" brand products have enjoyed a high reputation among domestic and foreign users for their adaptability to complex industrial environments.
Ensuring city-wide power stability through porcelain drop-out fuses that protect residential transformers from surge-induced damage.
Medium-voltage 63A oil fuse-links are critical in underground mining operations where moisture resistance and reliable breaking capacity are non-negotiable.
Protection of power factor correction units using tail-wire recovery capacitor fuses, preventing localized faults from affecting the entire substation.
Our quality assurance system is complete, and it has passed ISO9001: 2000 quality system certification. The products are designated by the Ministry of Electric Power Industry to produce high-voltage fuses of various voltage levels. The highest technical performance meets international standards including VDE0636, IEC60644, and GB15166.
Currently, our products are exported to various provincial power companies in China, forming a complete sales network. Beyond our borders, we have established robust trade relations in Southeast Asia, the Middle East, Africa, and Europe. Our domestic and international sales rank among the top in the industry, reflecting the trust our clients place in the "Shu Rong" brand.
Choosing Wenzhou Shuguang as your Wholesale High Power Fuse supplier means partnering with a legacy of excellence. In the global marketplace, being a China-based factory allows us to offer unique advantages:
We sincerely welcome customers from home and abroad to discuss cooperation and work together for the prosperity and development of the electric power industry.
