Shu Guang
Manufacturing Heritage
Global Export Reach
Certified Quality System
Performance Guaranteed
In the modern electrical landscape, ChinaFusesOnPowerLines represent the primary line of defense against overcurrent and short circuits. Globally, the demand for high-voltage protection equipment is surging as nations upgrade aging infrastructure to support Smart Grid technologies and renewable energy integration.
The transition from traditional porcelain designs to polymer-based insulators and expulsion fuses is a defining trend. Modern industries now require current-limiting fuses with higher breaking capacities to protect sensitive electronic components within the power network.
International B2B buyers—from state power utilities to industrial EPC contractors—prioritize IEC standard compliance, mechanical durability, and thermal stability. Our factory addresses these needs through rigorous testing and material science innovation.
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 stand as a beacon of reliability in the power sector. Our legacy dates back to the "Yueqing Shuguang Fuse Factory" established in 1992.
Designated by the Ministry of Electric Power Industry, we produce a comprehensive range of high-voltage fuses, including current-limiting variants, capacitor protection fuses, and zinc oxide arresters. Our products are the result of decades of engineering excellence and a deep understanding of electrical safety dynamics.
Our commitment to E-E-A-T is validated by our strict adherence to international electrical protocols.
ANSIC37.42, DIN43625, BS2692, IEC282-2-1995, IEC60644, IEC60470, IEC60282-1, IEC269-2.
GB15166.1, GB15166.2, GB15166.5, GB13593, DL/T640-1997, VDE0636 standards.
Passed National High-voltage Electrical Apparatus Quality Supervision and Inspection Center tests.
Complete quality assurance system with IS09001: 2000 quality system certification.
Ensuring the safety of high-value transformers and switchgear against unpredictable power surges in urban distribution hubs.
Providing critical isolation for solar inverters and wind turbine transformers, where current stability is paramount.
Protecting heavy machinery and private power networks in manufacturing zones from catastrophic fault currents.
Reliable drop-out fuse cutouts for long-distance overhead lines in challenging environmental conditions.
The products of Wenzhou Shuguang Fuse are exported to various provincial power companies across China, forming a complete sales network. Beyond our domestic success, our high-voltage fuses and current-limiting products have established a formidable presence in:
We adhere to the principle of "Development by science and technology, and survival by quality". We sincerely welcome customers from home and abroad to discuss cooperation and work together for the prosperity of the electric power industry.