Shu Guang
Shu Guang
In the evolving landscape of global energy distribution, the demand for high-reliability expulsion fuse links, particularly the Type K (Fast) designation, has seen unprecedented growth. As a leading China ODM Type K Fuse Supplier, Wenzhou Shuguang Fuse Co., Ltd. recognizes that these components are no longer just simple "sacrificial" elements, but critical nodes in the protection of smart grids and renewable energy infrastructures.
The "Type K" fuse link is defined by its speed ratio. According to ANSI and IEC standards, Type K links have a speed ratio of 6 to 8.1, making them the preferred choice for protecting transformers and capacitor banks where high-speed interruption of overcurrent is paramount to prevent cascading failures.
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.
With over three decades of Experience, we have transitioned from a local manufacturer to a global Expertise hub. Our status as a designated producer for the Ministry of Electric Power Industry underscores our Authoritativeness in the high-voltage sector.
Our products have passed the high-power test station of the Electric Power Research Institute of the Ministry of Electric Power and the National High-voltage Electrical Apparatus Quality Supervision and Inspection Center. We ensure every Type K Fuse meets rigorous safety metrics.
We meet ANSIC37.42, DIN43625, BS2692, IEC282-2-1995, IEC60644, IEC60470, and IEC60282-1. Our quality system is ISO9001:2000 certified.
Validation via Xi'an High-voltage Electrical Apparatus Research Institute and national labs ensures maximum technical performance in real-world scenarios.
Specializing in H.V. current-limiting fuses, power capacitor fuses, voltage transformer protection, zinc oxide arresters, and drop-out fuses.
The future of Type K Fuse Links lies in smart monitoring. We are currently developing "Smart Indicator" fuses that provide visual or wireless alerts upon operation, reducing downtime for utility providers.
Our ongoing R&D focus includes silver-plated copper elements for lower power loss and increased environmental sustainability.
Our products are exported to various provincial power companies in China. A complete sales network has been formed throughout the country. New high-voltage fuses and current-limiting products are exported to Southeast Asia, the Middle East, Africa, and Europe. Our domestic sales rank consistently among the top in the industry.
Power Substations
Transformer Units
Renewable Energy Sites
Industrial Complexes
| Feature | Type K (Fast) | Type T (Slow) |
|---|---|---|
| Speed Ratio | 6.0 to 8.1 | 10.0 to 13.1 |
| Response Time | Immediate for high transients | Delayed for motor starting surges |
| Best For | Transformer secondary protection | Heavy motor loads |
As an ODM supplier, we can customize the TCC curves to match your specific protection coordination study requirements, ensuring that your system achieves optimal selectivity.
Q1: What are the primary advantages of sourcing ODM Type K Fuses from China?
A: Sourcing from an established manufacturer like Shuguang provides a balance of cost-efficiency and technical compliance. Our 30-year infrastructure in Yueqing allows for rapid prototyping, access to high-quality raw materials, and integration of the latest IEC/ANSI standards at competitive price points.
Q2: How does Shuguang ensure the reliability of its high-voltage HRC fuses?
A: Every batch undergoes rigorous testing. We use sophisticated testing equipment to verify performance against IEC60282 and GB15166 standards. Our "Shu Rong" brand is synonymous with durability in harsh electrical environments.
Q3: Can you produce customized fuses for renewable energy applications?
A: Yes. We specialize in customizing current ratings and physical dimensions (e.g., 8*150mm, 88*192mm) to fit specific solar inverters or wind turbine transformer enclosures.
Q4: What is your export capability and localized support?
A: We have a robust global sales network. We provide technical documentation, installation guides, and compliance certifications (ISO, IEC) to support local utility requirements in over 30 countries.
