Shu Guang
Shu Guang
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As the world pivots toward renewable energy and advanced electrification, the demand for High Current Fuses has reached unprecedented levels. In the global industrial landscape, these components are no longer simple safety devices; they are critical sentinels of grid stability and equipment longevity. From massive solar farms in the Sahara to high-speed rail networks in Europe, high current fuses provide the necessary protection against catastrophic overcurrent events.
The transition to Smart Grids and the proliferation of Electric Vehicles (EV) have introduced complex electrical environments. Traditional fuses are being replaced by high-performance current-limiting variants that can handle rapid surge currents while maintaining minimal energy loss. As a leading manufacturer, we recognize that our products sit at the heart of this global energy transformation.
Global demand for circuit protection is expected to grow by 6% annually, driven by data centers and green energy.
Shift towards 1500V DC ratings for PV systems and ultra-fast acting fuses for semiconductor protection.
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. Our journey began in 1992 as the "Yueqing Shuguang Fuse Factory," and for over 30 years, we have evolved into a global leader in high-voltage circuit protection.
We take pride in our roots. Being situated in Yueqing allows us to leverage an unparalleled supply chain ecosystem, ensuring we use only the highest quality raw materials. Our philosophy—"Development by science and technology, and survival by quality"—has guided us through three decades of industrial shifts, allowing us to maintain our position at the top of the industry.
Learn More About UsEnsuring absolute reliability through rigorous testing and international compliance.
Our products meet and exceed ANSI C37.42, DIN 43625, BS 2692, and IEC 60282-1 standards. We ensure global compatibility for every market.
Passed IS09001:2000 quality system certification. Products are tested by the Electric Power Research Institute and the National High-voltage Electrical Apparatus Quality Supervision Center.
Utilizing high-power test stations and laboratory environments to verify every performance indicator before shipment. No product leaves without passing DL/T 640-1997 and VDE 0636 conditions.
International procurement managers look for three things: Reliability, Lead Time, and Technical Support. At Wenzhou Shuguang, we address these through a vertically integrated manufacturing process. Whether it’s for an oil-immersed transformer in the Middle East or a wind turbine in the North Sea, our fuses are designed for the specific stresses of those environments.
Why Wenzhou Shuguang is the preferred partner for global power companies.
We integrate advanced simulation software to model current-limiting behavior, allowing us to customize fuse links for precise protection requirements.
New high-voltage products can be customized and produced at any time according to user needs, including non-standard dimensions or specific trip characteristics.
Being in the "Electrical Capital" means we have immediate access to silver, copper, and specialized ceramics, reducing lead times and controlling costs.
Our "Shu Rong" brand products have enjoyed a high reputation among domestic and foreign users. In recent years, our products have been exported to Southeast Asia, the Middle East, Africa, and Europe. Our sales network forms a complete web across the globe, ensuring that after-sales support and technical consultation are always within reach.
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