Annual R&D Investment
Electrical Product Lines
Certified
Laboratory
ENGINEERING INNOVATION SINCE 1989
Innovation Leads the Future of the Electrical Sector.
At HUYU Electric, we are dedicated to driving high-quality corporate growth through continuous technological breakthroughs. Drawing upon over three decades of deep-rooted expertise, we consistently reinvest nearly 5% of our annual revenue into research and development to ensure that our products and solutions remain at the forefront of the industry. It is this unwavering commitment that has enabled us to successfully launch a comprehensive product portfolio spanning the entire sector, earning the widespread trust of global partners in the fields of low-voltage electrical systems and renewable energy.
Advanced R&D Capabilities
Empowering the Next-Generation Smart Grid At HUYU, innovation stems from the deep integration of a rigorous academic ethos and market-oriented engineering practices. Our research initiatives—spearheaded by a team of Ph.D. holders and supported by a certified circuit breaker testing center—enable us to continuously push the boundaries of electrical technology.
We take pride in leading the digital transformation within the low-voltage power distribution sector by integrating digitalization into our circuit breaker manufacturing processes. To date, we have launched a portfolio of flagship products—including high-performance DC circuit breakers and advanced high-voltage DC arc protection technologies—earning unanimous recognition from clients in the new energy industry for our products and solutions.
CNAS Accredited Laboratory
Our laboratory holds CNAS accreditation and is equipped with over 200 pieces of specialized testing equipment, enabling us to perform more than 100 different types of electrical tests. From raw materials and components to finished products, we are consistently dedicated to providing our customers with high-quality electrical products.
Temperature Rise Testing
Ensuring Product Thermal Stability and Long-Term Reliability. At HUYU, safety is seamlessly integrated into every detail of our product design. Through rigorous, CNAS-certified temperature-rise testing, we conduct comprehensive evaluations of how ambient and operational temperatures impact the performance of our circuit breakers and various low-voltage electrical products. By verifying the structural stability and material compliance of our products under sustained thermal stress, we make this solemn commitment: throughout their entire service life, HUYU solutions will consistently deliver exceptional performance and absolute safety.
Reliability Testing
Circuit breakers and low-voltage electrical products are required to undergo a period of simulated environmental and durability testing—simulating the processes of long-term exposure, usage, and aging—to ensure that the products meet international standard requirements.
EMC (Electromagnetic Compatibility) Testing
Ensuring Seamless Power Integration within Operating Environments. At HUYU Electric, we deeply understand the continuous evolution of modern power systems. Our comprehensive EMC testing protocols rigorously evaluate both electromagnetic emissions and immunity, ensuring that our electrical products: Operate with unwavering stability, even within highly disruptive industrial and digital environments. Guarantee that they do not generate electromagnetic interference that could disrupt surrounding sensitive electronic devices, smart sensors, or communication networks.
Electrical Endurance & Life Testing
Ensuring Long-Term Reliability Under Load. At HUYU, durability is a core engineering requirement. Our electrical life testing simulates thousands of on-off cycles—mirroring real-world usage scenarios—to rigorously evaluate our electrical products. By simulating the stress conditions encountered in actual operating environments, we verify that every device consistently maintains excellent electrical conductivity and protective integrity throughout its entire service life, thereby providing absolute peace of mind for critical power systems.
Short Circuit Breaking Capacity Testing
At HUYU Electric, the breaking capacity is our ultimate commitment to electrical safety. In our CNAS-accredited testing center, we subject every circuit breaker to extreme short-circuit fault simulations to evaluate: Precision Tripping: Ensuring instantaneous and accurate response under high-current faults. Structural Integrity: Verifying the stability of arc-extinguishing chambers and internal mechanisms. Isolation Safety: Confirming the device can safely interrupt the fault current to protect both the grid and the user.
Surge Immunity Testing
Ensuring Uninterrupted Protection Against Atmospheric Surges. At HUYU Electric, we simulate the harshest environments to guarantee your system’s safety. Our CNAS-certified laboratory is equipped with advanced Lightning Surge Generators to verify the surge immunity of our components.
Ingress Protection (IP) Rating Testing
Ensuring Environmental Resilience in Every Environment. At HUYU Electric, we ensure our components and enclosures are built to withstand the elements. Within our CNAS-certified laboratory, we conduct rigorous IP rating tests in accordance with IEC 60529 standards: Dust & Solid Protection: Evaluating the resistance against solid foreign objects to prevent internal contamination. Water Ingress Testing: Simulating everything from light moisture to high-pressure jets to ensure total internal dryness. The Goal: To guarantee the mechanical and electrical integrity of our breakers and distribution boxes in even the harshest industrial or outdoor conditions.
Advanced DC Characteristic Testing
HUYU Electric stands at the forefront of DC protection technology. Within our CNAS-accredited laboratories, we conduct specialized evaluations of DC characteristics, aiming to ensure that solar/PV and battery energy storage systems adhere to the highest safety standards: Exceptional Arc Management Capabilities—verifying the rapid and reliable extinction of DC arcs under high-voltage conditions; Dynamic Response Analysis—testing the precise tripping characteristics of our specialized DC circuit breakers (rated up to 1500V); and System Integrity Assurance—guaranteeing that systems maintain complete stability and reliability when subjected to DC fault current surges, thereby comprehensively safeguarding our clients’ investments and infrastructure.
Patents & Certificates
Awards
Patents
Certificates
Manufacturing Capabilities
Annual Output Value(Dollars)
Production Workshop(㎡)
Current Employees
Product Production Line
Electrical Component Assembly Equipment
Miniature Circuit Breaker Automatic Testing Equipment
Miniature Circuit Breaker Component Automatic Assembly Workshop
Multi-tiered Modern Warehouse
Semi-Automated Production Workshop for Air Circuit Breakers
Automated Circuit Board Printing Equipment
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