Further information for Dehn + Soehne Dehn 900456 surge arrester type 2 DEHNguard 4p - DG TT 20 340
Multipole surge arrester DEHNguard, type 2 according to EN 61643-11. High device safety due to arrester monitoring with Thermo-Dynamic-Control. For protecting low-voltage consumer systems against surges. For use in the lightning protection zone concept at the interfaces 0B - 1 and higher.