Detailed Product Description NSQ current transformer(current transformers,currrent transducer)NSQ Series:Primary current: 30A-3000ASecondary current: 5A, 1AStandard approval: BS7626, IEC44-1Maximum voltage:0.66KVFrequency ... , 15VAClass:0.5, 1.0, 3.0Short-time thermal current:Ith=60×IhRated security coefficient:FS<5ModelPrimary/ secondaryBusbarRatedclassRated VoltageRated FrequencyHoleBurdenDimension ...