SHUNTS APPLICATION Shunts are indispensable accesories for measuring current in DC installations, specially for high amperages. They provide a voltage drop (mV) proportional to the current, which is easily measurable by means of moving-coil ammeters (types PQ y PAQ). They can also be connected to wattmeters (type DQ../1w) and other measuring devices. Standard voltages drops are 60 mV and 150 mV. Shunts of 150 mV are recommended when the voltage drop across the potential leads is high, due to their length and/or the high consumption of the instrument. The best performance is guaranteed if the...

SHUNTS Technical Data Electromagnetic compatibility Overload range Accuracy class Additional error from ambient temperature Climatic suitability Operating temperature Storage temperature Relative humidity Shunt calibration Shunts dimensions Testing voltage of shunts with an isolating base Resistance of a pair of wires connecting the shunt to meter Long-term overload Short duration overload up to 5 seconds noise immunity noise emissions continuously 1.2 times rated current 5 s max. ≤ 2,000 A 5 times rated current > 2,000...10,000 A 5 times rated current 0.5 0.5 % / 10 ºC climatic class 3 - 10...

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