Explore our premier line of industrial-grade DC disconnect switches, combiner boxes, and safety disconnectors engineered for maximum reliability under extreme environmental conditions.
Rooted in electrical engineering excellence, bridging decades of domain knowledge with revolutionary EV infrastructure and renewable power management.
Foshan SDEV Charger Co., Ltd. is a trusted manufacturer of protective components for photovoltaic systems across the globe. Our experience of working in the electrical industry for more than 30 years allows us to create solar DC components that comply with the latest DC standards. Through our focus on solar DC protection design, production, and marketing, we can bring brand-building PV protection solutions.
With the inheritance of 30+ years of experience in the research and production of DC protection products, we are continuously dedicated to the EV charging field. In recent years, SDEV has attentively invested resources in research on EV-related products, successively manufacturing other types of products, thus reaping wide market popularity across the world.
Quality is the primary goal among each of our workshops since this leads to the best performance and safety for any Solar, Storage, and EV charging system. Our commitment to quality increased brand awareness for your company. To achieve our goal, our factory and products comply with UL, SAA, CB, CE, TUV, ISO, and RoHS standards.
Achieving our goals come from formulating new products based on the market demands through our in-house R&D team. Our efforts have led to our first UL508i listed patented DC switch within china and the DC-PV2 DC switch produced for the global market. With our cutting-edge PV protective products and EV chargers, we aim to create a long-term partnership with many renewables companies.
Specialized surge protection devices, waterproof solar connectors, thermal fuses, and rapid shutdown safety switches built for utility and residential deployments.
Navigating the global transition towards clean energy requires robust power management systems that seamlessly integrate utility-scale solar farms, commercial rooftop arrays, and modern energy storage infrastructure.
High-voltage 1000V to 1500V DC switching components and combiner boxes designed to mitigate arc-fault risks, maximize string collection efficiency, and withstand harsh desert or high-humidity climates.
Rapid shutdown safety devices and IP66/IP67 waterproof disconnect switches that fulfill strict municipal fire safety regulations for commercial buildings and industrial manufacturing sites.
Leveraging core electrical competencies into fast-charging station protection, ensuring stable power delivery, thermal management protection, and overcurrent mitigation.
Our ongoing R&D investments focus on intelligent predictive diagnostics, AI-assisted circuit breakers, and ultra-compact modular DC protection systems to power the next century of global electrification.
Embedding IoT sensors into DC disconnect switches and fuse holders to enable real-time temperature, voltage, and current monitoring for predictive maintenance.
Expanding our patented switch portfolio to support higher system voltages, drastically reducing Balance of System (BoS) costs for massive utility developers worldwide.
Transitioning our production plants toward zero-carbon operations, utilizing recyclable eco-materials, and achieving circular lifecycle manufacturing standards.
Operating in over 50 countries, we provide comprehensive regulatory engineering support, custom OEM/ODM development, and responsive technical assistance tailored to regional electrical codes.
Navigating international electrical standards can be complex. Whether your project adheres to UL508i in North America, IEC/TUV standards in Europe, SAA in Australia, or CE and RoHS directives globally, our engineering team ensures that every power management solution arrives fully certified and ready for swift inspection.
We work hand-in-hand with EPC contractors, distributors, and system integrators to deliver localized packaging, multilingual technical documentation, and flexible supply chain logistics that guarantee on-time project execution.
Expert answers regarding our power management solutions, manufacturing capabilities, and global distribution services.
With over 30 years of specialized heritage in DC protection and electrical engineering, SDEV combines deep R&D innovation with state-of-the-art automated manufacturing. We hold China's first UL508i listed patented DC switch and maintain strict compliance with global standards including UL, TUV, CE, SAA, and ISO.
Yes. Our in-house engineering and R&D teams specialize in collaborative product development. We offer tailored OEM/ODM solutions—ranging from customized voltage ratings and specialized enclosure designs (IP66/IP67) to localized labeling and packaging that fit your brand identity.
Our solar DC disconnect switches, combiner boxes, fuse holders, and surge protection devices are fully certified by recognized international bodies. They comply with UL, TUV, IEC, CB, CE, SAA, and RoHS directives, ensuring hassle-free clearance and installation worldwide.
Every single workshop adheres to rigorous quality control protocols. Our products undergo 100% factory inspection, including electrical performance testing, thermal endurance evaluation, and environmental sealing tests to guarantee optimal safety and longevity in extreme field conditions.