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Home > Type B RCD Current Transformer > Split Core AC Residual Current Detection RCD Leakage CT Current Sensor with High Accuracy 1 Class
Split Core AC Residual Current Detection RCD Leakage CT Current Sensor with High Accuracy 1 Class
Split Core AC Residual Current Detection RCD Leakage CT Current Sensor with High Accuracy 1 Class
Split Core AC Residual Current Detection RCD Leakage CT Current Sensor with High Accuracy 1 Class
Split Core AC Residual Current Detection RCD Leakage CT Current Sensor with High Accuracy 1 Class
Split Core AC Residual Current Detection RCD Leakage CT Current Sensor with High Accuracy 1 Class
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Split Core AC Residual Current Detection RCD Leakage CT Current Sensor with High Accuracy 1 Class
Split Core AC Residual Current Detection RCD Leakage CT Current Sensor with High Accuracy 1 Class
Split Core AC Residual Current Detection RCD Leakage CT Current Sensor with High Accuracy 1 Class
Split Core AC Residual Current Detection RCD Leakage CT Current Sensor with High Accuracy 1 Class
Split Core AC Residual Current Detection RCD Leakage CT Current Sensor with High Accuracy 1 Class

Split Core AC Residual Current Detection RCD Leakage CT Current Sensor with High Accuracy 1 Class

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Product Description

Basic Information
Model NO.
AKH0.66-LKN
Production Process
Integration
Material
Metal
Accuracy Grade
1.0G
Application
Energy Meter
IP Rating
IP30
Certification
CE, RoHS, Reach
Primary Input
1000mA
Secondary Output
0.5mA
Rated Voltage
AC0.66kv-AC0.69kv
Frequency
50-60Hz
Product Description
Low Voltage AC 0.66kv Residual Current Transformer (CT) is used to transform the high AC current to small easily manageable values. They are connected with the panel meter or relay and they can help to measure the current or protect the equipment.
Residual Current Transformer
Technical Parameters
Parameters Index
Input Network 3-phase 4-wire/TN, TT system
Frequency 50-60Hz
Residual Current Measuring range: 10mA~3000mA
Accuracy Class 1.0
Communication RS485 port, MODBUS-RTU protocol
Power Supply DC 24V, power consumption: ≤2VA
Environment Working: -10ºC ~ +45ºC; Humidity: 5%~95%
Specifications & Models
Specification Ratio Accuracy Aperture (mm) Rated Current
L45KN 1000mA/0.5mA 1 Phi 45 16-100A
L80KN 1000mA/0.5mA 1 Phi 80 100-250A
Wiring Diagram
Wiring Diagram 1 Wiring Diagram 2
After Sales Service
After Sales Service
Certifications
Certification 1 Certification 2
Profile and Solutions
High-tech enterprise that integrates R&D, production, sales, and service, committed to providing users with energy efficiency management and powerful security system solutions. Offering a complete production line from cloud platform software to sensors including substation operations, electricity safety management, and industrial energy control platforms.
Company overview Product range
Workshop 1 Workshop 2
Workshop 3 Workshop 4
Frequently Asked Questions
What is the primary function of this Residual Current Transformer?
It is designed to transform high AC current into small, manageable values for measurement via panel meters or protection via relays.
What is the accuracy class of the AKH0.66-LKN model?
This product features an accuracy grade of 1.0, ensuring precise residual current measurement.
Does the device support remote communication?
Yes, it includes an RS485 port and supports the standard MODBUS-RTU protocol for integration into monitoring systems.
What environment is this CT suitable for?
It operates in temperatures ranging from -10ºC to +45ºC and altitudes up to 2500m (technical data shows up to 3000m for transport).
What are the available aperture sizes?
Standard specifications include Phi 45mm (L45KN) and Phi 80mm (L80KN) to accommodate different cable diameters.
What certifications does this transformer hold?
The product is certified with CE, RoHS, and Reach standards, ensuring compliance with international safety and environmental regulations.

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