The LF 510-S/SPA1 from LEM is a Current Transducer with AC Input Current 500 A, DC Input Current -800 to 800 A, Output Current 0.044 to 0.049 A, Supply Voltage - 14.25 to 28.8 V, Accuracy 0.006. Tags: Panel Mount, AC Current Transducer, DC Current Transducer. More details for LF 510-S/SPA1 can be seen below.