The HLSR 50-SM from LEM is a Current Transducer with AC Input Current 50 A, DC Input Current -125 to 125 A, Output Current 0.019 to 0.025 A, Output Voltage -2 to 2 V, Supply Voltage -5 to 5 V. Tags: PCB Mount, AC Current Transducer, DC Current Transducer. More details for HLSR 50-SM can be seen below.