Din-Rail Type 2 or Type 2+3 AC surge protector is installed in the branch electrical cabinet where without lightning rod (LPS), or are installed after Type 1 AC SPD equipped with lightning rod (LPS).
VG technology is based on the use of specific types of Gas-filled spark gaps (GSG) in conjuntions with Metal oxide varistors (MOV), have a behavior adapted to the power network and provide robustness and working stability very effectively with lightning impulses
.