Shu Guang
Shu Guang
Precision-engineered DIN & IEC Compliant Fuse Systems
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 represent the pinnacle of circuit protection manufacturing.
The predecessor of Wenzhou Shuguang Fuse Co., Ltd. was "Yueqing Shuguang Fuse Factory" established in 1992. For over three decades, we have remained committed to providing robust electrical safety components to the global market.
Navigating the complex landscape of medium and high voltage protection
The DIN standard for high-voltage current-limiting fuses is the globally recognized baseline for reliability in European and Asian markets. These fuses are essential for protecting transformers and switchgear against short-circuit effects. Our adherence to DIN standards ensures that global purchasers receive components that are interchangeable and universally trusted.
The fuse industry is shifting toward "Smart Grids" and specialized protection. There is a growing demand for fuses that can handle the unique load profiles of Renewable Energy (PV & Wind) and Electric Vehicle (EV) charging infrastructure. We are leading this trend by developing high-capacity fuses that operate reliably under fluctuating power conditions.
Modern procurement teams prioritize E-E-A-T. They seek suppliers who possess deep technical expertise in IEC 60282-1 and ANSI standards. Our factory meets this demand by providing comprehensive testing reports from national high-voltage electrical apparatus supervision centers, ensuring reliable performance in harsh industrial environments.
Our products are designated by the Ministry of Electric Power Industry
We are authorized to produce high-voltage fuses of various voltage levels, current-limiting fuses, power capacitor fuses, voltage transformer protection fuses, zinc oxide arresters, drop-out fuses, and high-voltage insulators. All products have passed rigorous evaluations at:
Our technical performance meets and exceeds international standards including ANSIC37.42, DIN43625, BS2692, IEC282-2, IEC60644, IEC60470, IEC60282-1, IEC269-2, and various GB/T national standards.
Bridging the gap between manufacturing and local utility requirements
In Southeast Asia and Africa, our high-voltage fuses are localized for rural electrification projects. They provide critical protection for outdoor transformers against surge currents and lightning strikes, significantly reducing maintenance costs for regional utility companies.
For European industrial plants, our DIN standard fuses are utilized in motor control centers and high-voltage switchgear. Their high breaking capacity ensures that sensitive equipment is isolated within milliseconds during a fault, preventing costly downtime.
We supply specialized current-limiting fuses for PV stations and EV fast-charging hubs. These applications require fuses that can handle high DC voltages and rapid thermal cycling, a specialty that Wenzhou Shuguang has mastered through continuous R&D.
As a leading Chinese factory, we offer a unique blend of scalability, technological agility, and cost-efficiency. Our location in Yueqing provides us with direct access to a world-class supply chain of high-quality raw materials, including high-purity silver elements and specialized ceramic housings.
Ensuring absolute safety for your power infrastructure
The company adheres to the principle of "Development by science and technology, and survival by quality". In an era where global energy demands are skyrocketing, having a reliable China DIN Standard Fuses Supplier is not just about procurement; it is about long-term operational security. We sincerely welcome customers from home and abroad to discuss cooperation and work together for the prosperity and development of the electric power industry.
