Brand: HavellsType: AC Surge Protection Device (SPD) – Type 2 (Class II) Configuration: 1 Phase, 2 Pole (L + N-PE) Rated Voltage (Un): 230V AC / 400V AC Maximum Operating Voltage (Uc): 275V AC (L-N) / 320V AC (L-PE) Nominal Discharge Current (In): 20kA Maximum Discharge Current (Imax): 40kA Mounting: 35mm DIN Rail Protection Standard: IEC/EN 61643-11 Degree of Protection: IP20