Current transformer

BUS BAR CURRENT TRANSFORMERS. Ready for DIN rail mounting - Primary current - from 50 A to 4000 A Secondary - 5 A (1 A on request) Class - 0.5/1 Main features: ABS CASE Self-extinguishing CURRENT TO THE SECONDARY - 5 A (1 A on request) SAMPLING FREQUENCY - 40-60 Hz DYNAMIC NOMINAL CURRENT OF SHORT CIRCUIT (Idin) - 2.5 Iter for 1 sec – Max peak value that the CT can bear when the secondary is in short circuit THERMAL NOMINAL CURRENT OF SHORT CIRCUIT (Iter) - 40-80 Ipn for 1 sec – Max effective value with the secondary in short circuit STANDING OVERCURRENT - 1.2 In VOLTAGE INSULATING REFERENCE - 0.72 kV max voltage value TESTING VOLTAGE - 3 kV at 50 Hz for 1 min., max voltage value between primary and secondary SAFETY FACTOR - N <= 5