YN01-02751BS000000 Brass-Ended Shunt, 2 A, 75mV Output. 75mV Shunts Provide an accurate DC millivolt signal to drive ammeter indicators, overload protection and control devices, especially for higher amperage. They supply a voltage drop proportional to the DC current which is measured.
The current passing through the shunt produces a proportional voltage drop. A moving coil instrument connected to shunt measures the voltage drop across the shunt terminals.