About this product

The Onesto Pre-wired PV String Box WDB26DFS2-1000 is a critical component for solar photovoltaic (PV) power generation systems, designed to safely and efficiently combine multiple solar strings before connecting to the inverter. Its primary function is to provide overcurrent protection and isolation for each PV string, ensuring system safety and reliability. Key technical specifications include a maximum discharge current of 40kA (80/20μs), indicating robust surge protection capabilities essential for safeguarding sensitive electronic components from lightning strikes and other transient overvoltages. Constructed with high-quality, durable materials, this string box boasts excellent weather resistance and long-term performance in demanding outdoor environments. The unit is pre-wired for simplified installation, reducing labor costs and potential wiring errors on-site. While specific size ranges and customisation options are not detailed, its design is intended for typical PV array configurations. This product is ideal for a wide range of applications, including utility-scale solar farms, commercial rooftop installations, and residential solar systems. Target buyers include solar project developers, EPC contractors, wholesalers of solar components, and installers seeking reliable and pre-assembled solutions. Its robust design and performance characteristics make it suitable for international trade, offering a dependable solution for global solar energy projects.