products Arrester CITEL Power protection DC Type 1 Surge Protection Device DDC30S Series DDC30S Series • DC network voltage: 48V, 75Vdc• Very low voltage protection level, Up• Compact design• Maximum discharge current, Imax: 30kA• Impulse current, Iimp: 4kA• Pluggable module Technical Support, Sales & Service Tel. +82-2-2616-0533