Shu Guang
Engineered for Maximum Reliability in High-Voltage Environments
The Backbone of Modern Electrical Infrastructure
As the world pivots toward massive urbanization and the integration of renewable energy sources, the demand for High-Quality Oil Fuses has reached an all-time high. In 2024, the global power distribution market is increasingly relying on oil-immersed transformers, which require specialized current-limiting fuses to prevent catastrophic failures. From the bustling industrial zones in Southeast Asia to the grid modernization projects in North America and Europe, high-voltage fuses are the silent guardians of energy stability.
The industry is moving toward "Smart Protection." Modern Oil Fuses are no longer just passive components; they are being designed with precision-engineered materials to offer better heat dissipation and faster arc quenching capabilities. We are seeing a trend in the adoption of environmentally friendly dielectric oils and the miniaturization of fuse links (such as the 10KV 0.63A series) to fit compact switchgear designs without compromising on breaking capacity.
Today's global buyers—ranging from national power utilities to private EPC contractors—prioritize three core factors: Compliance, Reliability, and Lead Time. Procurement managers are actively seeking manufacturers that adhere to international standards like IEC60282, DIN43625, and BS2692. With supply chain volatility, the ability of a Chinese factory like Wenzhou Shuguang to provide consistent, high-volume production with certified quality is a critical competitive edge.
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. The predecessor of our company was the "Yueqing Shuguang Fuse Factory," established in 1992. For over three decades, we have remained at the forefront of the fuse industry, evolving from a local manufacturer to a globally recognized brand.
Our strategic location in Yueqing allows us to leverage a world-class supply chain, ensuring that every High-Quality Oil Fuse we produce uses the finest raw materials and the latest manufacturing technologies.
We are designated by the Ministry of Electric Power Industry to produce high-voltage fuses across various voltage levels. Our products have successfully passed rigorous evaluations at the National High-voltage Electrical Apparatus Quality Supervision and Inspection Center and the Xi'an High-voltage Electrical Apparatus Research Institute. All performance tests are qualified to meet and exceed global benchmarks.
Our technical performance adheres strictly to:
Tailored Solutions for Diverse Global Needs
In densely populated cities, our HRC current-limiting fuses are used in compact substations to protect against short-circuit currents, ensuring that a fault in one building doesn't cause a neighborhood-wide blackout. The reliability of our "Shu Rong" brand makes us a preferred partner for provincial power companies in China and municipal grids abroad.
Solar and wind farms require robust protection for their step-up transformers. Our high-voltage fuses for power capacitors are specifically designed to handle the harmonic loads and environmental stresses often found in renewable energy sites across Europe and the Middle East.
As a direct manufacturer, we offer unparalleled customization. Whether you need a specific J Slotted Fuse or a custom voltage transformer protection fuse, our R&D team can deliver. We combine cost-effective manufacturing with high-end technical performance, ranking us among the top in the industry for domestic and international sales.
In recent years, the company has developed rapidly. 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.
Industry Application Images: Reflecting our commitment to power quality and system safety.
Comprehensive Protection for Every Power System