... ,GB3906 IP2X Medium Voltage Switchgear, Metal-clad Switchgear, Switch BoxStandardsGB3906 A.C. metal-enclosed switchgear for rated voltages ... breaker optional.XGN-12 Metal-clad Medium Voltage Switchgear, Switch Box Rated voltagekV3.6, 7.2, 12Rated currentA630~ ... 80, 100Rated peak withstand currentkA40, 50, 80, 100Rated short time withstand currentkA16, 20, 31.5, 40InsulationRated withstand voltage at ...