Shu Guang
Shu Guang
In the rapidly evolving landscape of global power electronics, ODM High Current Fuses have become the indispensable "silent guardians" of modern infrastructure. As the world transitions toward electrification—driven by the surge in Electric Vehicles (EV), large-scale Renewable Energy storage, and the proliferation of high-density Data Centers—the demand for reliable, high-capacity circuit protection has reached unprecedented levels. High current fuses are no longer simple safety devices; they are precision-engineered components designed to manage massive thermal energy and interrupt fault currents in microseconds, preventing catastrophic equipment failure and ensuring grid stability.
Currently, the global high current fuse market is witnessing a paradigm shift. Traditional power grids are being integrated with decentralized smart grids, requiring fuses that can handle bi-directional power flows and high DC voltages. In North America and Europe, the push for "Net Zero" has led to the construction of massive solar and wind farms, where specialized Current-Limiting Fuses are required to protect valuable inverter systems. Meanwhile, in Asia, particularly in China's manufacturing hubs, the integration of AI-driven production lines has created a specialized niche for ODM (Original Design Manufacturing) services, where factories customize fuse performance to meet unique industrial footprints.
Miniaturization and higher voltage ratings (up to 1500V DC) are dominating the R&D pipeline to support efficient energy transmission in solar PV systems and EV battery packs.
Enterprises now prioritize "Supply Chain Resilience," seeking China-based partners who offer both massive scale and the agility to adapt to regional safety standards like DIN, ANSI, and IEC.
Modern factories are utilizing AI for predictive quality control, ensuring every silver-plated fuse element meets exact melting-point specifications without human error.
Wenzhou Shuguang Fuse Co., Ltd. is located in Yueqing, Zhejiang Province, the electrical capital of China. It is 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.
With over three decades of specialized experience, we have evolved from a local workshop into a leading global supplier of high-voltage and high-current protection devices. Our deep-rooted expertise in material science and electrical engineering allows us to provide ODM and OEM services that meet the most stringent international requirements.
Founded Year
Years Experience
Global Export Countries
Test Qualification
Our commitment to reliability is backed by rigorous testing. We are designated by the Ministry of Electric Power Industry to produce high-voltage fuses of various voltage levels. Our products have passed inspections at the Electric Power Research Institute and the National High-voltage Electrical Apparatus Quality Supervision and Inspection Center.
Technical performance meets ANSIC37.42, DIN43625, BS2692, IEC282-2-1995, IEC60644, IEC60470, IEC60282-1, IEC269-2 and national standards GB15166.1/2/5.
Our quality assurance system is complete, having passed the ISO9001: 2000 quality system certification, ensuring consistent excellence in every batch.
In urban centers across Europe and Asia, our high-voltage HRC fuses are used in compact switchgears to protect transformers from short-circuiting in high-density residential areas.
Our specialized EV Fuses are integrated into fast-charging stations globally, providing high-speed clearing of DC faults to protect both the vehicle and the charging station.
In desert solar farms (Middle East), our fuses withstand extreme temperature fluctuations while protecting high-voltage strings from reverse currents.
Heavy manufacturing plants use our current-limiting fuses to protect large motors from overcurrent during start-up cycles, reducing downtime and maintenance costs.
As a China-based factory, we offer the unique combination of Aggressive Cost Management and Rapid Prototyping. Our Yueqing headquarters provides us access to the world's most complete electrical supply chain, allowing us to source premium raw materials and deliver custom ODM solutions faster than any Western competitor.
While vigorously developing new products, Wenzhou Shuguang has 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 corresponding technical conditions, and 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.
The products are exported to various provincial power companies in China, and a complete sales network has been formed throughout the country. Internationally, our high-voltage fuses and current-limiting fuse products are exported to Southeast Asia, the Middle East, Africa, Europe and other countries and regions. We rank among the top in the industry for domestic sales and export volume, proving our status as a trusted Global ODM Supplier.
