The CR4460 - 20 from CR Magnetics is a Current Transducer with AC Input Current 0 to 20 A, Output Current 0.004 to 0.02 A, Supply Voltage 24 V, Accuracy 0.005, Frequency 0.05 to 0.4 kHz. Tags: DIN Rail Mount, Panel Mount, AC Current Transducer. More details for CR4460 - 20 can be seen below.