Lightning Arrester Polymer 20kA
Placement of this type of arrester near the distribution substation prevents damage to important components in the substation due to lightning strikes. Arrester Class 4 of this type of station has the ability to absorb energy up to 10kJ /kV Ur and Nominal Discharge Current up to 20 kA, so it is very safe to use it to protect transformers and other equipment in the substation against lightning strikes