The DQ500ID from Danisense is a Current Transducer with AC Input Current 500 A, Output Current -0.4286 to 0.42857 A, Supply Voltage 14.25 to 15.75 V, Frequency 0.01 to 2kHz, Temperature Operating Range -40 to 85 Degree C. Tags: Screw Mount, AC Current Transducer, DC Current Transducer. More details for DQ500ID can be seen below.