The HAL 50-S from LEM is a Current Transducer with DC Input Current -50 to 150 A, Output Current +/- 25 mA, Output Voltage +/- 4 V, Supply Voltage +/- 15 V, Accuracy 0.01. Tags: Panel Mount, AC Current Transducer, DC Current Transducer. More details for HAL 50-S can be seen below.