... GLX24 series SF6 Ring Main Unit is an estensible, SF6 insulated siwtchgear, with rated voltage of 12&24kV. All its HV ... stainless steel of 3mm. The whole switching assebly is SF6 insulated, and free from any external influence, ensuring it great reliability ... type test for power and thermal stalility, and is fully insulated and shielded, exhibiting high reliability and safety.GLX24 series Ring ...