Type 1+2 AC Surge Protective Device
Type 1+2 AC SPD 4 Pole used in the main distribution board to transfer direct lightning current. Most of them are used in high lightning risk areas, external power system entrances, industrial plants, etc.
Nominal/Maximum Discharge Current [ In ] / [ Imax ]: 20kA/50kA
Impulse Discharge Current [ Iimp ]: 12.5kA
Operating Voltage [ Un ]: 230V
Maximum Continuous Operating Voltage [ Uc ]: 275V/320V/385V/440V
Pluggable Module, Built-in Thermal trip, Fault indication, Remote warning optional.