The GO 20-SMS/SP3 from LEM is a Current Transducer with AC Input Current 20 A, DC Input Current -50 to 50 A, Output Current 0.025 A, Output Voltage -2 to 2 V, Supply Voltage 2.48 to 2.52 V. Tags: PCB Mount, AC Current Transducer, DC Current Transducer. More details for GO 20-SMS/SP3 can be seen below.