Shu Guang
The global industrial landscape is undergoing a massive transformation, driven by electrification, renewable energy integration, and the modernization of power grids. NH Fuses (Niederspannungs-Hochleistungs-Sicherung), often referred to as HRC (High Rupturing Capacity) fuses, remain the backbone of low-voltage and medium-voltage circuit protection. In a world increasingly dependent on stable power, these components are no longer just "safety links" but critical assets that prevent catastrophic equipment failure and minimize downtime.
Enterprises worldwide, from European manufacturing hubs to booming Southeast Asian infrastructure projects, are demanding fuses that meet DIN 43625 and IEC 60282 standards. There is a specific surge in demand for specialized NH fuses in EV charging stations and solar PV inverters.
Different regions require specific adaptations. For instance, the Middle East and African markets focus heavily on high-voltage expulsion fuses for harsh environment outdoor distributions, while the European market prioritizes high-precision HRC fuses for industrial automation.
The industry is moving toward "Smart Protection." Modern NH fuses are being integrated with monitoring systems to track current spikes before failure. Furthermore, sustainability in fuse manufacturing—using recyclable ceramic materials and silver-plated copper—is becoming a key procurement criterion.
Located in Yueqing, Zhejiang Province—the renowned Electrical Capital of China—Wenzhou Shuguang Fuse Co., Ltd. is a power technology enterprise that has mastered the art of circuit protection. Integrating R&D, production, and high-tier service, we evolved from the "Yueqing Shuguang Fuse Factory" founded over three decades ago.
Our journey is one of continuous engineering refinement. We don't just manufacture fuses; we engineer safety systems that protect billions of dollars in global infrastructure assets.
Our products are designated by the Ministry of Electric Power Industry for the production of high-voltage and current-limiting fuses. Every unit is tested at the High-Power Test Station of the Electric Power Research Institute.
Verified Reliability: Our components have passed inspection by the National High-voltage Electrical Apparatus Quality Supervision and Inspection Center and the Xi'an High-voltage Electrical Apparatus Research Institute.
As a top-tier China NhFuse supplier, we combine the cost-efficiencies of localized manufacturing with the strict precision of international engineering standards.
Continuous investment in sophisticated testing equipment and high-quality raw materials. Our "Shu Rong" brand is synonymous with durability in harsh industrial environments.
Capable of handling large-scale utility tenders and custom small-batch OEM requests. Our domestic sales rank at the top of the industry, allowing for immense production leverage.
Proven logistics and compliance experience in Southeast Asia, the Middle East, Africa, and Europe. We understand the import regulations of over 40 countries.
Power Substations
Transformer Protection
Industrial Automation
Renewable Energy Grids
Whether it is protecting Oil-Immersed Transformers in rural networks or securing High-Voltage Capacitors in urban power hubs, our products are engineered for specific thermal and mechanical stresses. The "Shu Rong" brand focuses on long-term survival under science-based development protocols.
With over 30 years of manufacturing excellence in Yueqing, Wenzhou Shuguang Fuse Co., Ltd. is your authoritative partner for China NH Fuse and high-voltage circuit protection. We sincerely welcome customers from home and abroad to discuss cooperation and work together for the prosperity of the electric power industry.