current transformer Primary current: 30A-3000A Secondary current: 5A, 1A Standard approval: BS7626, IEC44-1 Current transformer 1.Accuracy class:1,0.5,0.5s,0.2 2.Standards:IEC ... 0.2). It can still be used at larger secondary impedance and act as the zero-sequence current transformer High Accurace Low Voltage Split Core Current Transformer ...