The MSOA Series from Frer Srl is a Current Transducer with AC Input Current 0 to 5 A, Output Current 0 to 0.02 A, Output Voltage 0 to 10 V, Accuracy 0.01, Frequency 0.05 to 0.06 kHz. Tags: DIN Rail Mount, AC Current Transducer. More details for MSOA Series can be seen below.