Split-Core True RMS Current Transformer with 4-20mA Output
Product Summary
The KCT-L series True RMS Current Transformer/Transmitter provides accurate current measurement with a linear 4-20 mA DC output, designed for easy integration into PLC, DCS, and IoT systems. Its split-core construction allows installation without disconnecting cables, reducing downtime and retrofit complexity. With a measurement range up to 1000 A and accuracy class 1.0, it is suitable for a wide range of industrial, commercial, and utility applications.
Key Selling Points
- True RMS Measurement: Ensures accurate current sensing even with non-sinusoidal waveforms, improving the reliability of monitoring systems.
- 4-20mA Standard Output: Facilitates direct connection to PLC, DCS, and analog input modules without additional signal conditioning.
- Split-Core Design: Enables quick installation on existing cables and busbars without service interruption, ideal for retrofit projects.
- Wide Measurement Range: Handles primary currents from 0 to 1000 A, covering diverse applications from small loads to heavy machinery.
- Customizable Configuration: Lead wire type, length, and connector can be tailored to specific requirements, simplifying system integration.
- Certified Quality: Manufactured under ISO 9001:2015, with CE-RoHS and UKCA conformity, ensuring compliance for global markets.
Technical Specifications
| Model | KCT-L |
| Measurement Range | 0–1000 A |
| Output Signal | 4-20 mA DC |
| Accuracy | Class 1.0 |
| Inner Diameter | 0–50 mm (split-core window) |
| Frequency | 50/60 Hz |
| Housing Material | PA plastic |
| Core Material | Silicon steel sheets / ferrites |
| Winding Material | Pure copper enameled wire |
Models and Options
The KCT-L series is available in various inner diameters and lead configurations. Customization includes lead wire type, length, and connector, allowing adaptation to different installation environments.
Materials and Structure
The transformer features a split-core design with a PA plastic housing, using silicon steel sheets or ferrites for the magnetic core and pure copper enameled wire for the secondary winding, ensuring stable performance and insulation safety.
Applications
Ideal for PLC/DCS system integration, remote power monitoring, preventive maintenance, rail transit, environmental engineering, and IoT & smart city deployments. Suitable for energy metering, load monitoring, and feeder monitoring in switchgear and control panels.
Customization
HEYI offers customized ratio, lead wire type/length/connector, and OEM logo printing to meet specific project needs.
Case Study
For over 10 years, HEYI has supplied current transformers for power distribution projects, switchgear retrofits, and building energy monitoring across countries including Thailand, Chile, Lebanon, South Korea, and Australia. The split-core and window-type structures have reduced installation difficulty in retrofit projects and helped engineers identify abnormal load conditions.
FAQ
What is the output signal of the KCT-L?
The KCT-L provides a 4-20 mA DC output, compatible with standard analog input modules.
Can it measure current on live cables?
Yes, the split-core design allows opening the core and placing it around the conductor without disconnecting the cable.
What is the accuracy class?
The accuracy is class 1.0, suitable for monitoring and metering applications.
Is it suitable for outdoor use?
Typically designed for indoor electrical cabinets, but outdoor-rated versions may be available; please consult HEYI for specific requirements.
Can I customize the lead wires?
Yes, HEYI can customize lead wire type, length, and connector.
What certifications does it have?
The product family complies with CE-RoHS, UKCA, and ISO 9001:2015 standards.
What is the minimum order quantity?
MOQ is 1 unit for standard samples, with volume pricing based on quantity.
Inquiry Information
For more details, customization options, or volume pricing, contact: bethy@heyiele.com or +86 13968747975. We respond to all inquiries within 24 hours.
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