KCT-L Type Current Sensor

Current sensor KCT-L type with its advanced sensing technology and integrator functionality, this state-of-the-art device is set to redefine the way we measure and monitor currents. Equipped with a 4-20mA output and a user-friendly hinged interface, the current sensor seamlessly integrates into a wide range of industrial applications, from automation to renewable energy.

Directions for use:

  • When the current will be measured goes through a sensor, the current will be measured at the output end. (Note: The false wiring may result in the damage of the sensor)
  • Custom design in the different rated input current and the output current are available.


  • Industrial Automation: In automation processes, the KCT-L delivers accurate current measurements for motors, pumps, compressors, and other equipment. Its integrator functionality aids in monitoring energy consumption, optimizing performance, and implementing predictive maintenance strategies.
  • Renewable Energy: In renewable energy applications like solar panels and wind turbines, the KCT-L ensures precise current monitoring during charging and discharging processes. Its compatibility with the 4-20mA output enables seamless integration into renewable energy systems.
  • Battery Management: For electric vehicles and energy storage systems, the KCT-L’s integrator function plays a vital role in monitoring charge and discharge cycles, optimizing battery performance, and extending its lifespan.
  • Building Management Systems: The KCT-L contributes to efficient power distribution and HVAC systems in building management applications, facilitating energy efficiency analysis and resource optimization.
  • Data Centers: Ensuring reliable power distribution and monitoring in data centers is critical, and the KCT-L excels in this domain, providing accurate current measurements and facilitating efficient energy management.


  • High-Precision Sensing Technology:At the core of the Open Sensor KCT-L lies its advanced sensing technology, ensuring precise and dependable current measurements. Whether in high-demand industrial environments or critical energy storage applications, the KCT-L consistently delivers real-time data with accuracy and reliability.
  • Integrator Functionality:Setting a new standard for current sensors, the KCT-L incorporates an integrator function that allows users to track the accumulated charge over time accurately. This feature proves invaluable in scenarios where cumulative current measurements are vital, such as in battery charging and discharging applications, providing insights into energy usage patterns and enabling predictive maintenance.
  • 4-20mA Output for Seamless Integration:The KCT-L is equipped with a 4-20mA output, adhering to the industry-standard analog signal for data transmission. This output ensures stable and interference-free communication, making it an ideal choice for large-scale industrial applications where accurate and reliable data transmission over long distances is essential. Its compatibility with existing systems and Programmable Logic Controllers (PLCs) simplifies the integration process.
  • Hinged Interface for Enhanced Convenience:Understanding the significance of ease-of-use in industrial settings, the Open Sensor KCT-L features a hinged interface. This innovative design facilitates effortless loading and unloading of conductors or cables, reducing installation time, maintenance efforts, and overall operational costs. The user-friendly interface enhances efficiency and minimizes downtime during sensor replacement or repositioning.

The Open Sensor KCT-L represents a significant advancement in current sensing technology. With its high precision, integrator functionality, 4-20mA output, and hinged interface, the KCT-L is poised to revolutionize current sensing applications across industries. Embrace the future of accurate and reliable current sensing with the Open Sensor KCT-L and unlock new possibilities for enhanced efficiency and productivity.

Experience the cutting-edge innovation of the Open Sensor KCT-L – Your partner in advanced sensing solutions.

Parameters KCL-16L-50A KCL-16L-100A KCL-16L-150A KCL-16L-200A Unit
Rated current(lpn AC) 50A 100A 150A 200A A
Measure range(lp AC) 0-50A 0-100A 0-150A 0-200A A
Rated output @lp=+lpn DC4~20+1% mA
Supply voltage +12V,+24V V
Power Consumption 35 mA
Zero current 4+0.1 mA
Offset drift -40~+85℃  +0.005mA mA/℃
Output drift -40~+85℃  +0.005mA mA/℃
Linearity 1 %FS
Response time ≤200ms ms
Galvanic isolation 5KV KV
Bandwidth 20~20000 Hz
Mechanical dimension(for reference only) Note
KCT-L Type Current Sensor-heyi 1. All dimensions are in mm.

2. General tolerance ±1mm.

3. Elucidation: 1:+15V 2:–15V 3:V0UT 4:NC

General date Value Unit
Operating temperature(TA) -40 to +85
Storage temperature(TS) -40 to +125
Mass(approx) (M) 65 g
Pulse current signal response characteristic Effects of impulse noise
KCT-L Type Current Sensor-heyi KCT-L Type Current Sensor-heyi

    contact us

    24Hs online service   365Ds NON-Stop Production   20Ys Professional Manufacturers Professional designer and manufacturer of current transformer,cooperated with Siemens ,schneider Fuji electrical softbank LG samdsung.
    Company HEYI Electrical CO.,LTD Contact person Bethy
    Tel 86-13968747975 E-mail bethy@heyiele.com
    ADD Xinguang Ind.Zone, Liushi Town, Wenzhou, Zhejiang, China


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