The DS400UB-1V from Danisense is a Current Transducer with AC Input Current 400 A, Output Current 0.104 A, Output Voltage 1.5 V, Supply Voltage 14.25 to 15.75 V, Frequency 0.01 to 1kHz. Tags: Screw Mount, AC Current Transducer, DC Current Transducer. More details for DS400UB-1V can be seen below.