Wired-Type AC Surge Protection Device products Arrester CITEL Power protection Wired-Type AC Surge Protection Device MSB6 Series • Type 3 AC SPD• Maximum discharge current, Imax: 6kA• Nominal discharge current, In: 3kA• Combination wave, Uoc: 6kV• CE MSB10 Series • Type 2+3 AC SPD• IP66• Maximum discharge current, Imax: 10kA• Nominal discharge current, In: 3kA• Combination wave, Uoc: 6kV• CE, UL