Shu Guang
Shu Guang
Engineered for European standards, our top-tier arresters and fuses protect critical infrastructure.
As a leading Surge Arrester Manufacturer & Supplier, we recognize that Portugal is at the forefront of the European energy transition. With companies like EDP (Energias de Portugal) driving innovation, the demand for reliable overvoltage protection has never been higher. From the wind farms in the Alentejo region to the burgeoning solar parks in the south, surge arresters are the silent guardians of Portugal's green revolution.
Our products are specifically adapted for the Portuguese Industrial Reality. We provide solutions that withstand the salt-laden coastal environments of Porto and Aveiro, as well as the high lightning activity zones in the Serra da Estrela. By integrating IEC 60099-4 standards, our zinc oxide surge arresters ensure zero downtime for critical telecommunications and power distribution networks.
Years Experience
9001 Certified
Global Standards
Portugal aims to generate 85% of its electricity from renewables by 2030. Our surge arresters are essential for protecting the sensitive power electronics in wind turbine converters and solar inverters across the Portuguese landscape.
Lisbon and Porto are investing heavily in smart grids. Our high-voltage current-limiting fuses and arresters provide the precision protection required for IoT-enabled distribution transformers and automated switchgear.
The rapid expansion of electric vehicle charging stations in Portugal requires robust surge protection (Type 1 and Type 2) to protect vehicle batteries and charging hardware from transient overvoltages.
Wenzhou Shuguang Fuse Co., Ltd. (established in 1992 as Yueqing Shuguang Fuse Factory) brings three decades of manufacturing excellence to the Portuguese market. We don't just supply products; we provide engineering security.
Request a Portugal-Specific CatalogWenzhou Shuguang Fuse Co., Ltd. is located in Yueqing, Zhejiang Province, the electrical capital of China. As a power technology enterprise, we integrate research, development, production, sales, and service. Our history dates back to 1992, giving us the deep experience required to manufacture high-reliability components for the Portuguese power sector.
Our products are designated by the Ministry of Electric Power Industry to produce high-voltage fuses, zinc oxide arresters, drop-out fuses, and insulators. All performance tests are qualified by the National High-voltage Electrical Apparatus Quality Supervision and Inspection Center and the Xi'an High-voltage Electrical Apparatus Research Institute.
Shielding Portuguese utility transformers from direct lightning strikes.
Ensuring manufacturing continuity in Portugal's textile and automotive sectors.
Custom surge arresters for wind turbines and solar PV arrays.
Compact fuse solutions for Lisbon’s underground cable networks.
In recent years, the company has developed rapidly, and its economic and social benefits have improved significantly. We continue to deepen and improve the quality management system. While vigorously developing new products, we have always attached importance to the process flow. High-quality raw materials and sophisticated testing equipment are the backing of our quality assurance system.
For our Portugal partners, we offer:
Our products are exported to various provincial power companies in China and throughout Southeast Asia, the Middle East, Africa, and Europe (specifically Portugal, Spain, and Italy). We adhere to the principle of "Development by science and technology, and survival by quality." We sincerely welcome Portuguese engineering firms and distributors to discuss cooperation and work together for the prosperity of the electric power industry.
Contact Wenzhou Shuguang Fuse Co., Ltd. today for wholesale inquiries, technical datasheets, and custom manufacturing solutions tailored for Portugal's industrial and commercial sectors.
Contact Our Portugal Support Team
