The LF 310-S/SPA5 from LEM is a Current Transducer with AC Input Current -500 to 500 A, Output Current 0 to 0.15 A, Supply Voltage 11.4 to 21 V, Accuracy 0.002, Frequency 100 kHz. Tags: Screw Mount, AC Current Transducer, DC Current Transducer. More details for LF 310-S/SPA5 can be seen below.