Shu Guang
In the modern industrial landscape, electric motors account for nearly 70% of total industrial energy consumption. Motor rated fuses are not just components; they are the critical "safety valves" that protect massive investments in pumps, compressors, and automated production lines from catastrophic overcurrent events.
The global demand for high-reliability circuit protection is surging. As heavy industries shift towards Industry 4.0, the precision and response time of motor-rated fuses must evolve. We are seeing a significant transition from traditional thermal protection to high-speed HRC (High Rupturing Capacity) fuses that can clear faults in milliseconds.
Global enterprises are now requiring fuses that integrate seamlessly with smart switchgear. Our factory is at the forefront, developing medium-voltage and high-voltage current-limiting fuses that meet the stringent requirements of modern digital power grids across Europe and North America.
Procurement officers today face the challenge of balancing cost-efficiency with strict safety compliance. For global enterprises in the Middle East, Southeast Asia, and Europe, the primary concerns are:
The rise of electric vehicles has created a massive new niche for high-speed DC fuses.
Solar and Wind farms require specialized HV fuses for transformer protection.
Compact switchgear demands smaller form-factor fuses with higher breaking capacities.
Mission-critical power protection for hyperscale data facilities globally.
Located in Yueqing, Zhejiang Province—the Electrical Capital of China—Wenzhou Shuguang Fuse Co., Ltd. is a power technology enterprise integrating research, development, production, sales, and service. Our legacy began in 1992 as "Yueqing Shuguang Fuse Factory."
For over three decades, we have dedicated ourselves to the perfection of power protection. Our brand "Shu Rong" has become synonymous with quality among domestic and international power companies.
Our production facility is designated by the Ministry of Electric Power Industry to produce high-voltage fuses, current-limiting fuses, and zinc oxide arresters. We ensure total compliance with international engineering benchmarks.
Protecting high-voltage motors in steel mills and chemical plants where continuous operation is non-negotiable.
Ensuring grid stability by protecting distribution transformers from local network faults.
Optimized fuse-links for solar inverter protection and wind turbine transformer circuits.
Our products are utilized in extreme environments, providing peace of mind for engineers globally.
We source only the purest silver for fuse elements and high-grade alumina ceramics for casings, ensuring stable time-current characteristics over decades.
Every batch undergoes rigorous testing at our high-power test station to ensure 100% compliance with clearing time and breaking capacity specifications.
With a presence in Southeast Asia, the Middle East, Africa, and Europe, we understand the logistical and regulatory needs of international trade.
In addition to our standard DIN and IEC product lines, our R&D team can customize fuse parameters (current ratings, dimensions, and mounting styles) to meet specific localized grid requirements. Whether you need specialized oil-immersed transformer fuses or EV circuit protection, we have the manufacturing agility to deliver.