d200mD200 Series Protects AC Electrical Panels Rated 600A and Hher DITEK’s 200kA industrial surge protectors are desned to provide protection to AC power systems in the mostDITEK D200M-2774803YT ZEUS Series Surge Protection Module, 277480V. D200M-2774803YT | DK-D200M2774. Product Documents and Resources. Product Data Sheet.