Brand new item, box may have been opened to check the model of unit.

The DEWIN W2R Automatic Transfer Switch is a reliable and efficient solution for managing power in solar PV systems. With a maximum amperage of 100A and reliable switch protection, it ensures smooth and safe transitions between power sources. Manufactured in China by the trusted brand Dewin, this switch is designed for industrial use and offers peace of mind for your electrical equipment and supplies. Its DIN rail termination type makes installation effortless, making it a valuable addition to any electrical setup.