Shu Guang
As the world pivots toward electrification, the demand for EVFuse (Electric Vehicle Fuses) has seen an unprecedented surge. Unlike traditional automotive fuses, EVFuses must handle significantly higher DC voltages—often ranging from 400V to 1000V—and withstand extreme thermal cycling. In the modern industrial landscape, EV circuit protection is not merely a safety feature; it is the backbone of the "Green Revolution."
Global trends indicate a shift toward 800V architectures in electric vehicles to facilitate ultra-fast charging. This evolution requires manufacturers like Wenzhou Shuguang Fuse Co., Ltd. to innovate constantly, producing fuses with higher breaking capacities and lower power dissipation. The rise of renewable energy integration also means these fuses are increasingly utilized in energy storage systems (ESS) and solar PV inverters, where DC protection is critical.
Meeting the requirements of next-generation fast-charging EVs with high-voltage DC protection solutions.
Reliable fuse links designed for massive battery arrays and containerized power storage units.
Fuses optimized for digital substations and bidirectional charging infrastructures (V2G).
Located in Yueqing, Zhejiang—the Electrical Capital of China—Wenzhou Shuguang Fuse Co., Ltd. is a power technology powerhouse. Our roots trace back to 1992, starting as the "Yueqing Shuguang Fuse Factory." For over three decades, we have integrated R&D, production, and global service to provide world-class circuit protection.
Designated by the Ministry of Electric Power Industry, we specialize in high-voltage current-limiting fuses, zinc oxide arresters, and polymeric insulators. Our commitment to "Development by science and technology, and survival by quality" has positioned us as a premier China EVFuse manufacturer for the global market.
Enterprises worldwide face unique challenges when sourcing EV and high-voltage fuses. From the extreme cold of Nordic wind farms to the high humidity of Southeast Asian power grids, localized environmental factors dictate product requirements. Our fuses are engineered to meet these demands through rigorous testing and material science.
Heavy-duty circuit protection for electric buses, trucks, and logistics vehicles requiring high vibration resistance.
Ensuring the safety of high-speed chargers with fuses that offer rapid response to short-circuit currents.
Supplying state-level power companies with HRC fuses for transformer and substation protection.
Why Source from Shuguang? Our China-based factory offers the ultimate balance of Quality, Cost-Efficiency, and Supply Chain Speed. We provide customized solutions for global OEM/ODM partners, ensuring that every fuse meets specific local standards such as DIN, IEC, and ANSI.
Our quality assurance system is ISO9001:2000 certified. Every product undergoes testing at the National High-voltage Electrical Apparatus Quality Supervision and Inspection Center. We don't just follow standards; we set the benchmark for high-power performance.
The company continues to deepen its quality management system, utilizing high-quality raw materials and sophisticated testing equipment. Our "Shu Rong" brand products have earned a prestigious reputation among domestic and international users for their reliability in the most demanding environments, including high-altitude installations and seismic zones.