An ammeter shunt is a specialized resistor used to measure high currents in electrical circuits. It operates by providing a low-resistance path for a portion of the current, allowing the measurement of large currents that would exceed the limits of a standard ammeter.

Applications of Ammeter Shunts

- High-Current Measurement: Ammeter shunts are essential in applications where the current exceeds the measuring capacity of standard ammeters, such as in industrial machinery, battery management systems, and electric vehicles.

- Overcurrent Protection: They can also serve as protective devices by allowing for the detection of overcurrent conditions, triggering alarms or shutting down systems to prevent damage.

- Precision Measurement: In laboratory settings, high-precision shunts are used for accurate current measurement, often with specifications in the parts-per-million range for resistance stability over time.

In summary, ammeter shunts are vital components for accurately measuring high currents in various electrical applications, providing a reliable means to monitor and control electrical systems.

	Features
	●The resistor body is made of manganese copper alloy material welded by high energy electron beam ●High precision, high strength, high stability and high reliability
	●The resistor body is used entirely as a measuring resistor, resulting in low heat generation and low surface temperature rise ●Proprietary process technology can produce extremely low resistance resistors
	Resistance changes with temperature
Resistance change percentage		0.5 0.0 -0.5 -1.0l        -40-20         0       20      40        60                100120140
Application Areas
●It is mainly used as sampling resistor in electronic watt-hour meter. The structure design is flexible and can be designed according to customer requirements.
Product Structure
Product size
	Resistor value		Current capacity	Accuracy	Temperature coefficient
	120uQ		60A-150A	±5% ±10%	≤±50ppm/C
	150uQ
	175uQ
	200μQ
	250μQ
	300uQ
	320μQ
	500μQ
	Resistors can be designed and produced according to customer requirements

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