1.this 12Kv switchgear can meets ,IEC62271,GB3906-91. 2.it can be used with domestic VS1 VCB, also can be used with VD4 Technical parametersSeriesParametersUnitData1Rated voltageKV3,6,102Ma.operating VoltageKV3.6,7.2,123Rated insulation levelPower frequency withstanding voltage(min)KV42Lighting impulse withstanding voltage754Rated frequencyHZ50/605Main busbar rated currentA630,1250,1600,2000,2500 ...