Shu Guang
Shu Guang
In the modern era of electrification, High Voltage Fuses serve as the critical "last line of defense" for global power grids. As nations transition toward smarter, more resilient energy infrastructures, the demand for reliable circuit protection has skyrocketed. High-voltage fuses are no longer simple components; they are engineered precision instruments designed to protect multi-million dollar transformers, switchgear, and capacitor banks from catastrophic short-circuits.
The global market for medium and high voltage (MV/HV) fuses is witnessing a significant paradigm shift. With the aging infrastructure in developed regions like Europe and North America, and the rapid urbanization in Southeast Asia and Africa, the need for ODM (Original Design Manufacturing) services has become paramount. International utilities and industrial conglomerates are seeking suppliers who can provide not just "off-the-shelf" products, but customized protection solutions that meet specific environmental, electrical, and mechanical requirements.
Years of Expertise
Countries Exported
IEC Compliant
Certified Quality
The rise of solar and wind farms requires fuses that can handle the unique thermal cycling and DC-fault characteristics of renewable energy systems. Our H.R.C. Current-Limiting Fuses are increasingly optimized for these green energy applications.
The global EV revolution demands specialized high-voltage protection for charging stations and onboard battery systems. We are at the forefront as a Wholesale EV Fuse Manufacturer, ensuring safe rapid charging across the globe.
Modern fuses are being integrated with "Smart" indicators and sensors. As a China ODM supplier, we help clients develop fuse links that communicate their status to remote monitoring centers, reducing downtime and maintenance costs.
The global procurement landscape has evolved. Procurement managers at major power companies no longer look solely at price; they prioritize Reliability, Technical Expertise, and Supply Chain Agility. As a premier China ODM High Voltage Fuses Supplier, Wenzhou Shuguang Fuse Co., Ltd. addresses these needs through a comprehensive manufacturing ecosystem.
Our ODM capabilities allow us to modify terminal designs, current-time characteristics, and insulation materials to suit local environmental conditions—whether it's the high humidity of Southeast Asia or the extreme temperature fluctuations of Northern Europe. By maintaining a deep inventory of high-quality raw materials and utilizing sophisticated testing equipment, we provide the stability that global power projects require.
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 over the decades, we have grown into a pillar of the industry.
Our commitment to "Development by science and technology, and survival by quality" has made our "Shu Rong" brand a respected name in power protection worldwide.
We are designated by the Ministry of Electric Power Industry to produce high-voltage fuses of various voltage levels. Our products are rigorously tested at the highest-level laboratories.
Compliance: Our highest technical performance meets ANSIC37,42, DIN43625, BS2692, IEC282-2-1995, IEC60644, IEC60470, IEC60282-1, IEC269-2 and GB15166.1, GB15166.2 standards. We are ISO9001:2000 certified, ensuring a complete quality assurance system.
In urban and rural grids, our Drop Out Fuse Cut Outs provide reliable branch line protection. They are designed to withstand harsh outdoor environments, providing a visible disconnection point for maintenance personnel.
Heavy industries rely on Current-Limiting Fuses to protect motor starters and soft starters from high fault currents, preventing expensive equipment damage and minimizing production downtime.
Our medium voltage 12kV-36kV HRC fuses are essential in wind turbine nacelles and solar combiner boxes, protecting the system against overcurrents while maintaining high efficiency.
The electrification of transport requires high-voltage DC protection. Our expertise in EV Fuses and specialized traction fuses ensures the safety of modern high-speed rail and electric bus networks.
In recent years, the company has developed rapidly, and its economic and social benefits have improved significantly. 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, and new products can be customized at any time according to user needs.
As a leading China ODM High Voltage Fuses Supplier, Wenzhou Shuguang Fuse Co., Ltd. recognizes that the industry's future lies in the intersection of traditional electrical engineering and advanced material science. The role of HRC (High Rupturing Capacity) fuses is evolving. Today's "Back-up" fuses must coordinate perfectly with other protective devices like circuit breakers and relays to ensure selective coordination within a substation.
Our research and development team focuses on optimizing the silver element geometry and the purity of the quartz sand quenching medium. This level of technical detail ensures that our fuses offer the lowest possible I²t let-through values, protecting sensitive electronic components in modern power systems. Whether you are an EPC contractor in the Middle East, a utility provider in Europe, or a distributor in Southeast Asia, our DIN Standard and IEC certified fuses provide the peace of mind required for critical infrastructure.
By choosing a factory-direct supplier from China's "Electrical Capital," you gain access to a vertically integrated supply chain. We control every aspect of production—from the precision stamping of fuse elements to the final high-power testing. This allows us to offer competitive wholesale pricing without compromising on the rigorous safety standards required by global regulatory bodies. We sincerely welcome customers from home and abroad to discuss cooperation and work together for the prosperity and development of the electric power industry.
