Clamp Current Transformer 1000A Split Core CT Sensor
Product No.: ZH-KCT50A
Suitable for live current measurement up to 1000A
Accuracy classes available: 0.1, 0.2, 0.5, and 1.0
Excellent linearity and measurement stability
Supports power meters, energy analyzers, PLCs, and monitoring systems
Description
The ZH-KCT50A Clamp-On Current Transformer is a high-precision split-core current sensor designed for online AC current measurement without disconnecting existing wiring. With a large Φ50mm conductor window and measurement capability up to 1000A, it is widely used in energy monitoring systems, power analyzers, electrical testing equipment, industrial automation, building management systems, and leakage current monitoring applications.
1.Split-core clamp design for non-intrusive installation
2.Suitable for live current measurement up to 1000A
3.Large conductor opening diameter Φ50mm
4.Accuracy classes available: 0.1, 0.2, 0.5, and 1.0
5.Multiple secondary output options:
mA output
1A output
5A output
6.Excellent linearity and measurement stability
7.Supports power meters, energy analyzers, PLCs, and monitoring systems
8.Ideal for retrofit projects without disconnecting cables
9.Compact and lightweight design
10.Factory customizable current ratios
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | ZH-KCT50A |
| Type | Split Core Clamp-On Current Transformer |
| Measurement Current Range | 10A – 1000A AC |
| Conductor Window Diameter | Φ50 mm |
| Installation Method | Clamp-On |
| Output Types | mA, 1A, 5A |
| Accuracy Class | 0.1, 0.2, 0.5, 1.0 |
| Cable Length | Approx. 2 m |
| Dimensions | 101 × 219 × 26 mm |
| Weight | Approx. 0.6 kg |
| Application | Online AC Current Monitoring |
Burden Capability
| Output Type | Maximum Burden |
|---|---|
| mA Output | ≤ 4 Ω |
| 1A Output | ≤ 0.1 Ω |
| 5A Output | ≤ 2.5 VA |
Available Current Ratios – mA Output Models
| Primary Current | Secondary Current | Accuracy |
|---|---|---|
| 10A | 2.5mA | 0.1 / 0.2 / 0.5 |
| 10A | 5mA | 0.1 / 0.2 / 0.5 |
| 20A | 5mA | 0.1 / 0.2 / 0.5 |
| 50A | 25mA | 0.1 / 0.2 / 0.5 |
| 100A | 20mA / 40mA / 50mA / 100mA | 0.1 / 0.2 / 0.5 |
| 200A | 80mA / 100mA / 200mA | 0.1 / 0.2 / 0.5 |
| 300A | 120mA / 150mA / 200mA / 300mA | 0.1 / 0.2 / 0.5 |
| 500A | 100mA / 200mA / 250mA / 500mA | 0.1 / 0.2 / 0.5 |
| 600A | 120mA / 200mA / 300mA / 400mA / 500mA / 600mA | 0.1 / 0.2 / 0.5 |
| 700A | 200mA / 350mA / 700mA | 0.1 / 0.2 / 0.5 |
| 800A | 160mA / 200mA / 250mA / 320mA / 400mA / 500mA / 800mA | 0.1 / 0.2 / 0.5 |
Standard 1A Output Models
| Primary Current | Secondary Current | Accuracy |
|---|---|---|
| 100A–1000A | 1A | 0.2 / 0.5 |
| 600A–1000A | 1A | 0.1 / 0.2 |
Standard 5A Output Models
| Primary Current | Secondary Current | Accuracy |
|---|---|---|
| 200A | 5A | 1.0 |
| 300A–500A | 5A | 0.5 |
| 500A–1000A | 5A | 0.2 / 0.5 |
Applications
1.Energy MonitoringSmart Energy Metering
Power Consumption Monitoring
Building Energy Management Systems
PLC Control Systems
Industrial Equipment Monitoring
Process Control Systems
Distribution Cabinets
Switchgear Monitoring
Electrical Panels
Solar PV Monitoring
Energy Storage Systems
Microgrid Projects
Portable Power Analyzers
Leakage Current Testing
Maintenance Inspection Equipment
6.Can use with our store current module.
Leakage Current Measurement
The ZH-KCT50A can be used for leakage current detection and residual current monitoring.
Recommended configuration:
Burden resistor: 200 Ω
Current ratio: 1:2000
Output voltage: approximately 2 mV
This configuration is suitable for leakage current measurement systems, grounding resistance testers, and insulation monitoring equipment.
FAQ
1.What is the maximum conductor size supported?The ZH-KCT50A supports cables and conductors up to 50 mm in diameter.
2.Can the CT be installed without disconnecting cables?
Yes. The split-core clamp design allows installation on live conductors without disconnecting existing wiring.
3.What output options are available?
The transformer can be supplied with mA, 1A, or 5A secondary outputs depending on the application.
4.Is customization available?
Yes. Custom primary current ratings, output currents, cable lengths, and accuracy classes can be customized.
5.Can it be used with energy meters and power analyzers?
Yes. It is widely used with multifunction power meters, energy analyzers, data acquisition systems, PLCs, and SCADA platforms.



















