d200mDITEK D200M-4803D 200kA Phase Modular Surge Protective Device, 480VAC. D200M-4803D | DK-D200M4803. Shop all DITEK. DITEK D200M-4803D 200kA Phase Modular SurgeDITEK D200M-2774803YT ZEUS Series Surge Protection Module, 277480V. D200M-2774803YT | DK-D200M2774. Product Documents and Resources. Product Data Sheet.