Introducing our high-quality and reliable wholesale 3 phase 10-20ka 385V SPD, a state-of-the-art solution for overvoltage surge protection and lightning protection. Designed with utmost precision and adhering to the lightning protection class II+III SPD HS2-20 standards, our product ensures the safety and durability of your electrical systems. As a factory, we pride ourselves on delivering top-notch products equipped with advanced technology and rigorous testing. Trust in our expertise and choose our SPD for effective and efficient protection against damaging electrical surges.