100A Shunt Resistor for High Current Measurement in Power & BMS Systems

Description

100A High Current Shunt Resistor for Accurate DC Measurement

This 100A shunt resistor is designed for precise current measurement in high-current DC systems such as power supplies, battery management systems (BMS), and industrial equipment. It provides stable resistance and reliable performance under continuous load conditions.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 of 100A shunt Resistor

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.

Common Problems in High Current Measurement

  • Inaccurate readings at high current levels
  • Excess heat affecting measurement stability
  • Voltage drop inconsistency in low-quality shunts
  • Poor durability in continuous industrial use

How This 100A Shunt Resistor Solves Them

  • High precision resistance ensures accurate current sensing
  • Low resistance design minimizes power loss
  • Excellent thermal stability under continuous load
  • Durable construction for long-term industrial use

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

high current Shunt Resistor

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.

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

Typical Applications

  • Battery management systems (BMS)
  • DC power supply monitoring
  • Energy storage systems
  • Inverters and converters
  • Industrial automation equipment
  • Widely used in energy monitoring and high-current DC systems

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!