HEYI Factory HK Type Split Core Current Transformer

HK series split core current transformers are designed for quick installation and can be used in substations, energy storage systems, energy monitoring and management systems, etc. ct can be easily installed on cables and busbars without cutting the circu

Introduce

HK Type split core current transformer is HEYI Electrical current transformer manufacturer newly developed products and the split core CT are designed in particular for esay installation, the quick release button makes the ct the most convenient to fit around cables without cutting off the circuitry. HK current transformer has advantages of bigger capacity and bigger mounting hole size, could be used in more power applications.

Applications

Current measurement, monitoring and piotection for electrical wiring and equipment.
Current and power measurement for electric motors, lighting, air compressor, heating and ventilation system,air-condition equipment and automation-control system.
Current, power and energy monitoring device.
Relay protection device.

Features

Safe. Easy to install, porttable.
Wide inner window, allowing clamping of big cables or bus-bars.
Wide range of sizes to accommodate all the existing installations.

Technical Parameter

Electrical Parameter Mechanical Parameter
Frequency 50-400Hz Case PC/UL94-V0
Rated Input 5A-5000A Bobbin PBT
Measuring range 10%In-120%In Core Silicon steel
Rated Output 0-5A Internal structure Epoxy
Ratio ≤ ± 0.5% Construction Tie
Phase angle ≤ ±30min Operation Temp -25℃~+75℃
Dielectric strangth 2.5KV/1mA/1min Operating Humidity ≤85%
Insulation Resistance DC500V/100MΩ min Output Connection Terminal

 

Specification

 

MODEL Ratio Burden(VA)
class:0.5 class:1.0
HK-23 100/5A / 2.5
150/5A / 2.5
200/5A 2.5 5
250/5A 5 5
300/5A 5 5
400/5A 5 5

 

MODEL Ratio Burden(VA)
class:0.5 class:1.0
HK-58 250/5A / 2.5
300/5A 2.5 5
400/5A 5 5
500/5A 5 5
600/5A 5 10
800/5A 10 10
1000/5A 10 10
1200/5A 10 10
1500/5A 10 10
1600/5A 10 10

 

MODEL Ratio Burden(VA)
class:0.5 class:1.0
HK-812 500/5A 2.5 5
600/5A 2.5 5
800/5A 5 5
1000/5A 10 10
1200/5A 10 10
1500/5A 10 10
1600/5A 10 10
2000/5A 15 15
2500/5A 15 15
3000/5A 15 15
4000/5A 15 15

 

MODEL Ratio Burden(VA)
class:0.5 class:1.0
HK-816 1000/5A 10 15
1200/5A 10 15
1500/5A 10 15
1600/5A 10 15
2000/5A 15 20
2500/5A 15 25
3000/5A 15 30
4000/5A 15 30
5000/5A 15 30
6000/5A 15 30

FAQ

1. How do I choose the right HK split core current transformer for my cable or busbar?

Choose the model according to the primary current, cable diameter or busbar size, required accuracy class and rated burden. The HK Series provides different window sizes for electrical panels, energy monitoring systems and high-current busbar applications.

2. What current ratios are available for the HK split core current transformer?

The HK Series is available with a wide range of current ratios, including 100/5A, 200/5A, 400/5A, 1000/5A, 2000/5A, 3000/5A and higher current ratings. The available range depends on the selected HK model.

3. Can the HK split core current transformer be installed without disconnecting the cable?

Yes. The split-core design allows the CT to open and clamp around an existing cable or busbar without removing the primary conductor. This makes it suitable for retrofit projects and electrical systems where installation time needs to be reduced.

4. What accuracy classes and VA burdens are available for the HK Series CT?

The HK split core current transformer is available with different accuracy classes and burden ratings depending on the current ratio and model. Common options include Class 0.5 and Class 1.0 for metering and power monitoring applications.

5. Can the HK split core current transformer be used with energy meters and power monitoring systems?

Yes. The HK Series can be used with energy meters, multifunction meters, power monitoring systems and electrical panels. Its split-core structure is especially useful for upgrading existing installations without major wiring changes.

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