Shu Guang Shu Guang

China Wholesale Current Limiting Fuses Manufacturer

Pioneering High-Voltage Protection Solutions Since 1992. Professional HRC Fuses, XRNP Series, and Transformer Protection Components for Global Industrial Infrastructure.

Wenzhou Shuguang Fuse Co., Ltd. Factory

🏒Our Legacy: Wenzhou Shuguang Fuse Co., Ltd.

Established in 1992 as "Yueqing Shuguang Fuse Factory," Wenzhou Shuguang Fuse Co., Ltd. has evolved into a premier power technology enterprise. Located in Yueqing, Zhejiang Provinceβ€”the renowned "Electrical Capital of China"β€”we integrate research, development, production, and global service.

For over three decades, we have dedicated ourselves to the precision manufacturing of high-voltage current-limiting fuses. Our location gives us a unique competitive edge, allowing us to source the highest quality raw materials and leverage a highly skilled local workforce specialized in power electronics.

30+Years Experience
ISO9001:2000 Certified
100%Tested Quality

🌐Global Business Status of Current Limiting Fuses

The Rise of Smart Grids

As the world transitions to decentralized energy and smart grids, the demand for HRC (High Rupturing Capacity) fuses has skyrocketed. These components are critical for protecting sensitive power electronics from the massive thermal and mechanical stresses of short-circuit currents. From Europe to Southeast Asia, utilities are upgrading their infrastructure to handle higher fault levels, necessitating more reliable current-limiting technology.

Renewable Energy Integration

Solar and wind farms require specialized protection. Our Current Limiting Fuses are designed to handle the unique duty cycles of renewable systems, protecting both the DC and AC sides of power inverters. As global procurement shifts toward sustainable energy, our factory has adapted by producing fuses that meet the stringent IEC60282-1 standards for outdoor and indoor applications.

Electric Vehicle (EV) Infrastructure

One of the most significant industry trends is the explosive growth of the EV market. We now manufacture dedicated EV Fuses that protect fast-charging stations and vehicle battery systems. These require ultra-fast breaking speeds and high reliability under constant vibration and temperature fluctuations, areas where our R&D team excels.

πŸ›‘οΈUncompromising Technical Standards

Our products are designated by the Ministry of Electric Power Industry. We adhere to a massive spectrum of international technical conditions to ensure total reliability for global purchasers.

We strictly conform to:

IEC60282-1 DIN43625 ANSIC37.42 BS2692 VDE0636 IEC60644 GB15166
Certification 1 Certification 2 Certification 3 Certification 4

⚑Localized Application Scenarios

Transformer Protection

In the Middle East and Africa, where grid stability varies, our XRNP series provides essential backup protection for oil-immersed transformers, preventing catastrophic failures during peak summer loads.

Substation Switchgear

European DIN-standard switchgear relies on our precision-engineered Medium Voltage HRC fuses. Our 12kV, 24kV, and 36kV options are ideal for compact SF6 gas-insulated switchgear (GIS).

Industrial Motor Control

In large manufacturing hubs like Southeast Asia, our current-limiting fuses protect high-voltage motors from the high inrush currents typical of heavy industrial starts.

Why Wenzhou Shuguang is Your Ideal Wholesale Partner

Choosing a Chinese manufacturer like Shuguang Fuse Co., Ltd. provides distinct advantages for global procurement officers looking for the balance of cost, speed, and technical excellence.

Direct Factory Pricing

Eliminate middleman costs. We own the production lines in Yueqing, allowing us to offer competitive wholesale rates that trading companies cannot match.

Customized OEM/ODM

Unlike standard suppliers, we can customize performance indicators, dimensions, and materials according to specific user needs or local grid requirements.

Rigorous Lab Testing

Our products pass through the National High-voltage Electrical Apparatus Quality Supervision Center and Xi'an High-voltage Electrical Research Institute.

Supply Chain Resilience

Located in the electrical capital, we have immediate access to specialized ceramics, high-purity silver for fuse elements, and advanced quartz sand.

πŸ”¬Technological & Industry Application

In recent years, the company has developed rapidly, and its economic and social benefits have improved significantly. The company continues to deepen and improve the quality management system. While vigorously developing new products, it has always attached importance to the process flow. High-quality raw materials and sophisticated testing equipment are the backing of our quality assurance system.

"Shu Rong" brand products have enjoyed a high reputation among domestic and foreign users. Our major markets now include Southeast Asia, the Middle East, Africa, and Europe, where we maintain strong partnerships with provincial power companies and private industrial enterprises.

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Partner with Wenzhou Shuguang Fuse Today

Whether you are a global distributor, a substation contractor, or an OEM manufacturer, Wenzhou Shuguang Fuse Co., Ltd. provides the technical expertise and manufacturing scale to support your project. Our commitment to science-led development and quality-based survival ensures that every fuse we ship meets the highest global standards for safety and performance.

Contact us for customized quotes, technical datasheets, or to discuss our wholesale distribution programs.