The LA 305-S/SP5 from LEM is a Current Transducer with DC Input Current -0 to 500 A, Output Current 20 mA, Supply Voltage +/- 12 to 15 V, Accuracy 0.008, Frequency 100 kHz. Tags: Panel Mount, AC Current Transducer, DC Current Transducer. More details for LA 305-S/SP5 can be seen below.