The LF 305-S from LEM is a Current Transducer with DC Input Current -0 to 500 A, Output Current 26 mA, Supply Voltage +/- 12 to 20 V, Accuracy 0.005, Frequency 100 kHz. Tags: Panel Mount, AC Current Transducer, DC Current Transducer. More details for LF 305-S can be seen below.