The LF 505-S/SP39 from LEM is a Current Transducer with AC Input Current -500 to 500 A, Output Current 0 to 0.1 A, Supply Voltage 15 to 24 V, Accuracy 0.006, Frequency 100 kHz. Tags: Screw Mount, AC Current Transducer, DC Current Transducer. More details for LF 505-S/SP39 can be seen below.