... parts optional 3.IEC298,GB3906 IP2X Medium Voltage Switchgear, Metal-clad Switchgear, Switch BoxStandardsGB3906 A.C. metal-enclosed switchgear for ... outdoor switchgear.3. Simplified maintenance and training. For example, all breakers are the same size, and most frame parts, ... ABB, Schneider, GE circuit breaker optional.XGN-12 Metal-clad Medium Voltage Switchgear, Switch Box Rated voltagekV3.6, 7. ...