Hall Current Sensors for Industrial Power Systems
Isolated current measurement solutions for DC, AC, pulse, and complex waveforms. Explore open-loop, closed-loop, split-core, and 4–20mA output models for currents from 1A to 80,000A.
Find the Right Hall Current Sensor
Compare current requirements, sensor technology, installation structure, and output options—or send us your requirements for model recommendation.
Current Requirements
Sensor Technology
Installation
Output Options
Not Sure Which Model to Choose?
Send us your current type and range, conductor size, output signal, supply voltage, accuracy requirements, and application.
Current and Voltage Sensor Portfolio
Explore six sensor families for isolated current and voltage measurement, signal conversion, high-precision measurement, and switching-output applications.
Open-Loop Hall Current Sensors
Open-loop Hall current sensors for isolated measurement of DC, AC, pulse, and complex waveforms across a broad range of current and installation requirements.
Representative Models:
LD-CS040GT5, LD-CS500ET5, LD-CS2000EK2T5, LD-CS500E, LD-CS2000EK2, LD-CS6000KAC
Closed-Loop Hall Current Sensors
Closed-loop Hall current sensors for isolated measurement in applications requiring improved accuracy, linearity, response, and measurement stability.
Representative Models:
LD-CSM025AYT2, LD-CSM100LAT2, LD-CSM005A, LD-CSM300LT, LD-CSM1000LTC, LD-CSM3000LTF
Hall Current Transmitters
Hall-effect current transmitters that measure DC or AC current under electrical isolation and convert the measured signal into a proportional DC output for monitoring and control systems.
Representative Models:
LD-CS500ET, LD-CS2000EK2T, LD-CS10000KCT, LD-A-CS300ET, LD-A-CS500EK1T, LD-A-CS3000KAT
Fluxgate High-Precision Sensors
Fluxgate sensors for high-precision isolated current and voltage measurement in applications requiring enhanced accuracy and measurement stability.
Representative Models:
LD-DCSM050LRSH/5V, LD-DCSM100LRCH, LD-DCSM300LDGH, LD-DCSM500LFBH, LD-DVSM3000EV/5V
Voltage Sensors
Isolated voltage sensors that convert measured voltage into a proportional output signal for electrical monitoring, control, and data-acquisition applications.
Representative Models:
LD-VSM025A, LD-VSM800D, LD-VSM1200DP, LD-VS1000AT2, LD-VS1000AT2-P, LD-A-VSM800DAT
Switching-Output Sensors
Switching-output sensors for current detection, threshold monitoring, alarm signaling, and overcurrent protection applications.
Representative Models:
LD-KCS500ST, LD-KCS500ET, LD-KCS500EDT, LD-KCS500BT, LD-A-KCS030GET, LD-A-KCS030GBT
Not Sure Which Sensor Family Fits Your Application?
Compare the six sensor families by measurement target, sensing principle, and signal-conversion function.
Compare Sensor Families
Use this overview to identify the appropriate sensor family. Final model selection should be based on the measurement range, output signal, supply voltage, conductor dimensions, accuracy, and installation requirements.
| Sensor Family | Measurement Target | Primary Function | Available Configurations | Representative Models |
|---|---|---|---|---|
| Open-Loop Hall Current Sensors | DC, AC, pulse and complex-waveform current | General isolated current measurement | Single-supply and dual-supply models | LD-CS500ET5, LD-CS500E, LD-CS2000EK2 |
| Closed-Loop Hall Current Sensors | Current, depending on model | Isolated measurement for applications requiring improved accuracy, linearity and response | Single-supply and dual-supply models | LD-CSM100LAT2, LD-CSM300LT, LD-CSM1000LTC |
| Hall Current Transmitters | DC or AC current | Convert measured current into a proportional DC output signal | DC transmitter and AC transmitter models | LD-CS500ET, LD-CS2000EK2T, LD-A-CS300ET |
| Fluxgate High-Precision Sensors | Current or voltage | High-precision isolated measurement | Current-measurement and voltage-measurement models | LD-DCSM100LRCH, LD-DCSM500LFBH, LD-DVSM3000EV/5V |
| Voltage Sensors | Voltage | Isolated voltage measurement and signal conversion | Model-dependent configurations | LD-VSM025A, LD-VSM800D, LD-VS1000AT2 |
| Switching-Output Sensors | Current or other detection signals, depending on model | Threshold detection, alarm signaling and protection | DC, AC and model-dependent switching configurations | LD-KCS500ET, LD-KCS500BT, LD-A-KCS030GET |
* Product families and technical characteristics may overlap. For example, a current transmitter may use an open-loop Hall principle, while selected sensor models may use detachable structures or different output configurations. Always confirm the complete datasheet before model selection or ordering.
Need Help Selecting a Specific Model?
Send us the measurement target, rated range, conductor dimensions, required output, supply voltage, accuracy requirement, and application. Our team will help identify a suitable sensor family and model.
Built for Application-Specific Electrical Measurement
Sensor solutions for isolated current and voltage measurement, signal conversion, precision measurement, and switching-output applications.
Broad Sensor Portfolio
Our portfolio includes open-loop and closed-loop Hall current sensors, current transmitters, fluxgate high-precision sensors, voltage sensors, and switching-output sensors.
Current and Voltage Measurement
Available product families support isolated measurement of DC, AC, pulse, complex-waveform current, and voltage signals, depending on the selected model.
Multiple Signal Functions
Product configurations include proportional voltage or current output, converted DC signals, and switching outputs for monitoring, control, protection, and data-acquisition applications.
Engineering Review and Model Matching
Rated range, output signal, supply voltage, conductor dimensions, aperture, terminals, accuracy, and mechanical structure can be reviewed according to the application requirements.
Current Measurement Across Industrial Power Applications
Power Conversion & Inverters
Current feedback and monitoring for converters, inverters, rectifiers, and power-electronic equipment.
Energy Storage Systems
Isolated current measurement for battery systems, energy-storage converters, and DC power equipment.
Industrial Drives & Automation
Current sensing for motor drives, servo systems, industrial machinery, and automation equipment.
Rail & Traction Power
Current measurement and monitoring for traction equipment, auxiliary power systems, and railway electrical applications.
Power Distribution & Switchgear
Current monitoring for distribution cabinets, switchgear, protection panels, and electrical control systems.
Test & Measurement Equipment
Isolated current acquisition for test benches, calibration systems, laboratory instruments, and data-acquisition equipment.
Sensor Model Matching for Your Electrical System
With six sensor families and multiple electrical and mechanical configurations, model selection should begin with the actual measurement target, system interface, and installation requirements. Our team can review existing drawings, existing model numbers, or new system specifications to identify a suitable standard model or discuss an adjusted configuration where feasible.
- Measurement target and signal type
- Rated and maximum measurement range
- Required output and receiving equipment
- Available supply voltage
- Conductor or busbar dimensions
- Aperture and installation space
- Accuracy, linearity, and response requirements
- Terminals and mounting arrangement
- Existing-model cross-reference
Controlled Production and Electrical Verification
Hall sensor production is supported by automated PCB processing, controlled reflow soldering, production-stage electrical checks, and final inspection according to the applicable product and order requirements.
Automated SMT Processing
Automated equipment supports PCB processing and consistent component placement for sensor assemblies.
Controlled Reflow Soldering
Controlled reflow processing supports stable and repeatable soldering of sensor PCB assemblies.
Assembly and Electrical Checks
Sensor assemblies undergo connection, output, and basic functional checks according to the applicable model requirements.
Final Inspection and Packing
Product identification, appearance, order-specific details, and packing requirements are checked before shipment.
Technical Resources for Model Evaluation
Request model-specific specifications, dimensional information, and connection details to support sensor selection and system integration.
Model Datasheets
Electrical specifications, supply requirements, output characteristics, accuracy data, and operating conditions for the selected sensor model.
Dimensions & Mounting Information
Product dimensions, aperture sizes, conductor requirements, terminal arrangements, and mounting details for installation review.
Connection & Application Support
Connection diagrams, output-interface information, and application notes for integrating the selected sensor with your system.
Frequently Asked Questions
What is the difference between open-loop and closed-loop Hall current sensors?
Can Hall current sensors measure both AC and DC current?
When should I consider a fluxgate current sensor?
What information is needed to select a suitable sensor?
What output signals are available?
Can electrical or mechanical configurations be adjusted?
Request a Sensor Model Recommendation
Share your measurement, output, supply, and installation requirements. Our team will review the application and recommend a suitable standard sensor model or discuss an adjusted configuration where feasible.
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