The HAL 400-S from LEM is a Current Transducer with AC Input Current 400 A, DC Input Current -1000 to 1000 A, Output Current 0.025 A, Output Voltage - 4 to 4 V, Supply Voltage - 15 to 15 V. Tags: Panel Mount, AC Current Transducer, DC Current Transducer. More details for HAL 400-S can be seen below.