Solid Core CT Series: Reliable Protection, Precise Measurement

Fault Detection

Current Precision

System Safety

High Accuracy Solid Busbar CT

The Open-Close Type Current Transformer features a snap-open structure, enabling quick installation and removal without power shutdown or wire disassembly, simplifying operation and maintenance.

 

It supports primary current from 5A to 630A and secondary current up to 5A, with a wide ratio range of 500:1 to 10,000:1, ensuring accurate measurement across various applications.

 

Made with high-permeability silicon steel and epoxy resin casting, it combines good linearity, high sensitivity, and long-term stability with a lightweight, easy-to-handle design.

Application scenarios

Motor Control

Industrial motor control system

Power Distribution

High and low voltage distribution cabinet & power distribution room

Renewable Integration

PV & wind power new energy grid connection

Energy Monitoring

Building & park energy consumption metering management

Automation Control

Inverter and automatic industrial control equipment

Grid Protection

Substation and power relay protection

Technical Overview and Performance Data

Maximum Withstand Voltage
0.66kV
Rated Primary Current
0A ~ 300kA
Rated Secondary Output
With integrator:
4V / 1A (AC) or 4–20mA (DC)
Without integrator:
100mV/kA, 50mV/kV
Accuracy
1%

10%-100% Accuracy
5% (without integrator) 1% (with integrator, 45-65HZ)

Phase error
W+1°(45-65HZ) W+10°(20KHZ)
Auxiliary Power Supply
±12V, 24V, 5V DC or 220V AC
Power Consumption
≤10W
Operating Frequency
1Hz – 1MHz
Note: Other specifications can be customized according to customer requirements.
 
Performance Index
10%-100% Accuracy
5% (without integrator) 1% (with integrator, 45-65HZ)
Phase error
W±1° (45-65HZ) W±10°(20KHZ)
10%-100% Linearity
0.50%
Integrator power supply
7-30VDC
Response bandwidth
1HZ-1MHZ
Coil section diameter
W7.5、W10、W12mm or Custom made
Coil length
W2M or Custom made
Use altitude
W2000M
Protection level
IP65
Texture of material
Silicon rubber
Secondary lead
Shielded wire,length customized
Compressive strength
2KVAC/min
Insulation resistance
DC500V/100MQ
Electrical Parameters
Working frequency50~2KHz
Rated input5A~2000A
Measuring range10%In~130%In
Rated output0.333VIAC or 0-5VA
Ratio difference≤+0.1%
Phase difference≤+10 points
Dielectric strength2.5KV/1mA/1min
Insulation resistanceDC500V/1000MΩ/min
Mechanical Parameters
ShellABS, Flame retardant grade 94-V0
SkeletonPBT
Iron coresilicon steel
Intermal structureClasp
Construction planBand fixation
Working temperature-12°C~+75°C
Ambient humidity≤85%
Connection modePVC tricolor 1.5m twisted pair

Note:  Other specifications can be customized according to the specific requirements of customers.

Outline and Installation Dimensions

Model and specification Rated input (A) Rated output (mA/V) Accuracy class Dimensions (mm)
Φ A B C
CTKD10 5–75A (5, 10, 20, 50, 75) 0–50mA 0.333V 0.5
1.0
3.0
10 23 40 27
CTKD16 5–160A (5, 10, 50, 100, 160) 0–5A 0.333V 16 31 50 30
CTKD24 10–300A (10, 50, 100, 200, 250) 0–5A 0.333V 23 43 73 39
CTKD35 10–630A (20, 100, 250, 400, 600) 0–5A 0.333V 35 60 89 43
CTKD50 10–2000A (200, 500, 1000, 1500, 2000) 0–5A 0.333V 50 81.2 119.8 58

Certificates & Accreditation

We proudly showcase our enterprise honors and management system certifications, reflecting our commitment to quality, reliability, and industry excellence. These certificates demonstrate our dedication to maintaining high standards in all aspects of our operations.

           

Equipment Image Information

Explore detailed images of our equipment, showcasing the advanced technology, precision engineering, and robust build quality that support our high-performance operations. Each image is accompanied by informative descriptions to provide a comprehensive understanding of our machinery.

Fully automated sensor core continuous tunnel heat treatment furnace production line

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8 fully automatic high-speed & 14 continuous precision stamping presses

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24 Fully Automatic Magnetic Core Winding Machines

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6 Fully Automated Sensor Core Continuous Tunnel Heat Treatment Furnace Production Lines

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6 Fully Automatic Testing & Sorting Machines

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2 Solenoid (Tripper) Manufacturing Lines

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6 Fully Automatic Magnetic Core Packaging Machines

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260 Fully Automatic Winding Machines

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8 fully automatic current transformer potting machines

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2 Current Transformer Assembly Lines

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Winding Production Line Workshop 2

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6 Fully Automatic Magnetic Core Testing Machines

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Large Magnetic Core Continuous Furnace

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Strip Slitting & Cutting Production Line

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5 Fully Automatic Ultra-Microcrystalline Heat Treatment Lines

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Technology Dept / R&D Center / Material Testing

Discover our Technology Department, R&D Center, and Material Testing facilities through detailed images. These showcase our commitment to innovation, rigorous research, and precise material analysis, ensuring the highest quality and reliability in every product we develop.

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About Us

Jiangyi Yucheng Electric, Jiangsu, China, makes current sensors and smart meters for global power and industrial applications, offering reliable, high-accuracy, standards-compliant solutions.

Contact Info

No.5 Tongxin Road, Qingyang Town,Jiangsu,China