DC Power Surge Protection Devices (SPD), also known as Solar SPDs, are specifically designed to safeguard Solar PV Systems from harmful transients and surges. These surges can occur due to the exposure of solar applications to lightning strikes and their interconnection back to the AC utility grid. Given the large surface area of solar PV arrays, there is a higher risk of direct and induced lightning surges. By complying with IEC 61643-31 standard, our DC SPDs effectively eliminate these potential threats, thereby extending the lifespan of solar power systems.