d200m200,000 Amp surge current rating per phase, 100,000 Amps per mode, ensures long service life; Compact size enables close mounting to protected panelDITEK D200M-4803D 200kA Phase Modular Surge Protective Device, 480VAC. D200M-4803D | DK-D200M4803. Shop all DITEK. DITEK D200M-4803D 200kA Phase Modular Surge