High-performance switches engineered for safety and reliability in solar environments.
As the world accelerates toward Net-Zero emissions, the Photovoltaic (PV) industry has transitioned from a niche technology to the backbone of the global energy grid. A PV System Disconnect is not just a component; it is the ultimate safety mechanism for technicians and first responders. In 2024, the global demand for high-voltage DC (Direct Current) isolation has skyrocketed, driven by large-scale solar farms in the Middle East, residential booms in Europe, and industrial shifts in North America.
Manufacturers like Foshan SDEV Charger Co., Ltd. are at the forefront, providing solutions that handle the unique challenges of DC arcs. Unlike AC current, DC arcs do not have a natural zero-crossing, making disconnection a high-tech challenge that requires precision engineering and durable materials.
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.
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.
To reduce System Balance (BOS) costs, the industry is moving from 1000V to 1500V systems. Our disconnect switches are engineered with specialized arc-extinguishing chambers to handle these extreme voltages safely.
With solar arrays moving into deserts and coastal regions, IP66 and UV-resistant enclosures are no longer optional. Our products offer 25-year design lives in high-salinity and high-heat environments.
Integration with Rapid Shutdown (RSD) requirements (NEC 2020) means disconnects are becoming "smart." We are developing motorized isolators that respond to remote signals for instant safety.
Global EPCs (Engineering, Procurement, and Construction) and solar wholesalers look for three things: Compliance, Scale, and Innovation. China, specifically the Pearl River Delta industrial hub, offers a supply chain synergy that is unmatched globally.
As a leading PV System Disconnect Manufacturer in Foshan, SDEV provides:
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.
Tailored solutions for every solar environment on earth.
Compact IP66 isolators placed near the inverter or at the point of entry. Our switches ensure homeowners can safely isolate their panels for routine roof maintenance or in case of electrical faults.
High-current (up to 400A) automated disconnects used in combiner boxes across thousands of acres. These systems require reliable performance under heavy cycles and harsh outdoor exposure.
The rise of battery storage (BESS) requires specialized DC isolation between the battery stack and the inverter. Our door-interlock rotary switches are designed for these high-energy environments.
Integrating PV with EV charging stations (Solar-to-EV) requires complex DC management. SDEV's history in both fields makes us the ideal partner for integrated disconnect solutions.
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.
As a leading China Top PV System Disconnect Manufacturer, SDEV Charger Co., Ltd. understands that the solar industry is built on trust. When an installer selects our 1000V DC Isolator or our UL-listed switches, they are trusting us with the safety of their infrastructure and the lives of their team. This is why our R&D doesn't just focus on meeting minimum requirements; we aim to exceed them.
In the global landscape, the shift toward sustainable energy requires components that can withstand the test of time. Our 30-year heritage in DC protection has allowed us to perfect the science of "Contact Reliability." By using high-grade silver alloy contacts and fire-retardant materials, we ensure that every disconnect operation is clean, fast, and safe, minimizing the risk of thermal runaway.
Whether you are looking for an Industrial PV DC Disconnect Switch for a multi-megawatt project or an Air Conditioner Disconnect adapted for small-scale solar isolation, our factory in China is equipped to deliver. We are more than just a manufacturer; we are your strategic partner in the transition to a cleaner, safer, and more electrified world.
Partner with Foshan SDEV today and experience the difference that 30 years of engineering excellence makes. From our patented DC switch designs to our latest EV charging innovations, we are building the future of renewable energy protection, one component at a time.
SDEV Charger
