Medium Voltage Switchgear,Metal-clad Switchgear,Switch Box 1.3~35kV 2.ABB, Schneider, GE parts optional 3.IEC298,GB3906 IP2X Medium Voltage Switchgear, Metal-clad Switchgear, Switch BoxStandardsGB3906 ... A.C. metal-enclosed switchgear for rated voltages above 3 kV and ...