The PolyPhaser DGXZ+06NFNF-A DC to DC Protector is a silver-colored surge protection device designed to ensure reliable power conversion from DC to DC. With a nominal voltage rating of 6V, this product from PolyPhaser offers reliable protection for electrical equipment and supplies in various industrial settings. Its surge protection properties provide added security against power surges, making it a valuable component for electronic systems requiring stable and uninterrupted power supply.
This company makes a quality lightening arrestor based upon my past experience with using them at various tower sites to protect equipment from lightening running in on the coax cable.to the repeater.