Residual Current Detection RCD Leakage Split Core Current Sensor

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Product Description

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Basic Information

Model NO.AKH0.66-LKN
Production ProcessIntegration
MaterialMetal
Accuracy Grade1.0G
ApplicationEnergy Meter
IP RatingIP30
CertificationCE, RoHS, Reach
Primary Input1000mA
Secondary Output0.5mA
Rated VoltageAC0.66kv/AC0.69kv
Frequency50-60Hz
Altitude3000m
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Packaging & Delivery

Package Size17.00cm * 15.00cm * 13.00cm
Gross Weight0.500kg
Transport PackageCarton

Product Description

Low Voltage AC 0.66kv Residual Current Transformer (CT) is used to transform high AC current to small easily manageable values. They are connected with the panel meter or relay and help measure the current or protect equipment.

Technical Parameters

Category Parameter Index
Input Network 3-phase 4-wire/TN, TT system
Frequency 50-60Hz
Residual Current Measuring range: 10mA~3000mA
Accuracy Measurement accuracy class: 1.0
Comm. Communication RS485 port, MODBUS-RTU protocol
Power Power Supply DC 24V, consumption: ≤2VA
Environment Temperature Working: -10ºC to +45ºC; Storage: -20ºC to +70ºC
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Specification Details

Specification Ratio Accuracy Aperture Rated Current
L45KN 1000mA/0.5mA 1 Phi 45 16-100A
L80KN 1000mA/0.5mA 1 Phi 80 100-250A
Residual Current Detection Sensor

Wiring Diagrams

Wiring Diagram 1
Wiring Diagram 2

Service & Certifications

After Sales Service
Certification 1
Certification 2
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Production Environment

Production Facility Process Details
Workshop 1
Workshop 2
Workshop 3
Manufacturing
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Frequently Asked Questions

What is the primary application of the AKH0.66-LKN transformer?
It is primarily used for residual current detection in energy meters and protective relays to ensure electrical safety and leakage monitoring.
What is the maximum rated voltage for this current transformer?
The rated voltage is AC 0.66kv, which is compatible with AC 0.69kv systems.
Does the device support remote data monitoring?
Yes, it features an RS485 communication port and supports the standard MODBUS-RTU protocol for integration into management systems.
What are the available aperture sizes for installation?
We offer two standard aperture sizes: 45mm (L45KN) and 80mm (L80KN) to accommodate different cable diameters.
Can this transformer be used in high-altitude environments?
Yes, the AKH0.66-LKN is rated for operation at altitudes up to 3000 meters.
What is the measurement accuracy of the residual current?
The transformer maintains an accuracy grade of 1.0 for reliable and precise current measurement.

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