The HOP 600-SB from LEM is a Current Transducer with AC Input Current 600 A, DC Input Current -900 to 900 A, Output Voltage -4 to 4 V, Supply Voltage - 12 to 15 V, Accuracy 0.02. Tags: Panel Mount, AC Current Transducer, DC Current Transducer. More details for HOP 600-SB can be seen below.