Description
100A High Current Shunt Resistor for DC Current Measurement
The high current shunt resistor is a precision component designed to convert high DC current into a small, measurable voltage signal. With its robust construction, this 100A shunt ensures accurate current sensing for industrial energy meters, DC power analyzers, and automation systems.
Key Features
High Accuracy:±0.5% tolerance for precise DC current measurement.
Durable Construction:Made from copper alloy for excellent conductivity and heat resistance.
Fixed 100A Rating: Suitable for high-current applications in industrial and commercial systems.
Reliable Performance:Maintains consistent readings even under continuous load.
Lead-Wire Design:Easy integration with PCBs and terminal blocks.
Compact Form Factor: Space-efficient design for tight meter enclosures.
Specification
| Parameter | Value |
|---|---|
| Rated Current | 100A |
| Resistance Value | 75 μΩ (customizable) |
| TCR | ≤±50 ppm/°C |
| Accuracy Class | ±0.5% |
| Operating Temperature | -40°C to +125°C |
| Material | Manganin alloy element |
| Mounting Style | Bolt-on terminals |
Why Choose Our high current Shunt Resistor?
Common Challenges in DC Current Measurement:
Inconsistent readings due to thermal drift
Poor long-term stability affecting metering accuracy
Bulky components not optimized for compact systems
Our Solution:
✅ ±0.5% accuracy for stable long-term performance
✅ Low TCR (≤±50 ppm/°C) ensures minimal drift under heat
✅ Compact design with easy bolt-on installation
✅ High load endurance—withstands harsh industrial conditions
Applications
Solar Inverters: Accurate DC load tracking
Power Distribution Units (PDUs): Enhanced energy billing accuracy
DC Fast Charging Stations: Real-time current feedback
Industrial Equipment: Long-term overload resistance and safety
- * Industrial DC meters and energy monitoring systems
* Power analyzers and distribution panels
* PLC and automation control circuits
* HVAC current sensing modules
* Laboratory testing and instrumentation
Need Custom Specs?
We support OEM/ODM customization for different current levels (50A~500A), shapes (flat, vertical), resistance values, and terminal types. Let us know your application scenario!
Need high-accuracy components for energy meters? Explore our Precision Shunt Resistor Solutions.
Explore more technical insights on high current shunt resistor design in this IEEE article on Current Sensing Techniques.







