The HAH1BVW S/04 from LEM is a Current Transducer with AC Input Current -400 to 400 A, DC Input Current -400 to 400 A, Output Current -0.01 to 0.01 A, Output Voltage - 2 to 2 V, Supply Voltage 4.5 to 5.5 V. Tags: Screw Mount, AC Current Transducer, DC Current Transducer. More details for HAH1BVW S/04 can be seen below.