The CR4570-50 from CR Magnetics is a Voltage Transducer with Accuracy 0.005, Input Voltage 0 to 50 V, Output Voltage 0 to 5 V, Output Current 0.004 to 0.02 A, Supply Voltage 24 V. Tags: DIN Rail Mount, Panel Mount, AC Voltage Transducer. More details for CR4570-50 can be seen below.