The JGS4-30 from Sensor Electronic Technology is a Current Transducer with AC Input Current 0 to 400 A, Output Voltage 0 to 10 V, Supply Voltage 0 to 10 V, Accuracy 1%, Temperature Operating Range -20 to 60 Degree C. Tags: Panel Mount, AC Current Transducer. More details for JGS4-30 can be seen below.