Switchboards tested and certified for lightning test with a maximum power of 10 Kw in RF
Surface mounted switchboards to be installed when the line from the power meter towards the distribution rack is longer than 3 meters
Switchboards specifically engineered to handle power higher than 10 Kw
For electrical systems protection from overtensions used in low tension, even during direct discharges. To be used for zone based lightning protection from zone OA to 2