831221 Citel Combined arrester type-2,3 for 1-phased devices/230-277 V AC

Surge protection device  for 1-phase Combined arrestor type-2,3 (class C, D) Nominal voltage, Un: 230-277 Vac Max. AC operating voltage, Uc: 320 Vac Max. load current, IL: 5 A Nominal discharge current, In: 5 kA (8/20µs) Max. Discharge current, Imax: 10 kA (8/20µs) Withstand on combination waveform, Uoc: 10 kV (1,2/50µs) Protection level, Up: 1,5 kV Protection class: 1 Protection rating: IP20 Mounting: Screws max. 2,5mm? Opposite inputs / outputs Disconnection from the main circuit and open circuit at V-wiring