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CTD3X4005AXXX – CTD-3X Current Transformer 400A
Carlo Gavazzi CTD3X4005AXXX solid core current transformer with 400 A primary current and 5 A secondary output for industrial current measurement applications.
£43.06
Why Choose the Carlo Gavazzi CTD3X4005AXXX Current Transformer?
The Carlo Gavazzi CTD3X4005AXXX is a high-quality solid core AC current transformer designed for accurate current measurement and monitoring in industrial power systems, energy management installations and electrical control applications. As part of the reliable Carlo Gavazzi CTD-3X current transformer series, it provides dependable conversion of high primary currents into a standard secondary output suitable for metering and protection equipment.
This current transformer is designed for applications requiring reliable measurement of large AC currents while maintaining electrical isolation between the primary circuit and measurement devices. The integrated mounting solution allows flexible installation on DIN rails, panels or bus-bar systems, making it suitable for a wide range of industrial electrical installations.
With a 400 A primary current rating and 5 A secondary output, the CTD3X4005AXXX provides accurate current transformation for monitoring and measurement systems. Its 41 mm window diameter and robust CTD-3X construction make it suitable for cable and bus-bar applications in industrial switchboards and control panels.
Key Advantages
- 400 A / 5 A current transformation ratio for industrial measurement applications.
- Solid core design provides reliable and stable current sensing.
- Flexible installation with DIN rail, panel and bus-bar mounting options.
- Class 0.5 accuracy for precise current measurement.
- Integrated mounting accessories simplify installation and commissioning.
- Suitable for energy monitoring, electrical metering and protection systems.
Key Features
- Carlo Gavazzi CTD-3X series current transformer.
- 400 A rated primary current.
- 5 A rated secondary current output.
- 400:5 current ratio.
- Class 0.5 accuracy.
- 41 mm window diameter.
- Operating frequency range of 45–65 Hz.
- DIN rail, panel and cable/bus-bar mounting capability.
- Screw terminal connections for secure wiring.
- Solid core construction for permanent installations.
Reliable Current Measurement for Industrial Power Systems
Current transformers such as the Carlo Gavazzi CTD3X4005AXXX allow high electrical currents to be safely measured by reducing the primary current to a standard secondary signal. This enables accurate monitoring through energy meters, protection relays and industrial measurement equipment.
The CTD-3X series combines accurate measurement performance with flexible mounting options, helping electrical engineers integrate current monitoring into switchboards, distribution systems and automation installations.
Typical Applications
- Industrial electrical distribution panels.
- Energy monitoring and power measurement systems.
- Motor control centres and switchgear assemblies.
- Power management and monitoring installations.
- Electrical protection and metering equipment.
- Industrial automation and control systems.
Technical Specifications
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| Mounting Type | Busbar, DIN rail, Panel / base | |
|---|---|---|
| Device Type | Solid-core CT | |
| Rated Primary Current (A) | 400 A | |
| Secondary Current / Output | 5 A | |
| Aperture (mm) | 41 mm | |
| Accuracy Class | Class 0.5 | |
| IP Rating | IP20 | |
| Manufacturer | Carlo Gavazzi | |
| Series | CTD-3X | |
| Model | CTD3X4005AXXX | |
| Product type | Solid core AC current transformer | |
| Primary current | 400 A | |
| Secondary current | 5 A | |
| Current ratio | 400:5 | |
| Accuracy class | Class 0.5 | |
| Frequency range | 45–65 Hz | |
| Window diameter | 41 mm | |
| Maximum bus-bar size | 51 mm × 15 mm | |
| Mounting type | DIN rail / panel / bus-bar mounting | |
| Terminal type | Screw connection | |
| Rated insulation level | 3 kV / 1 min at 50 Hz | |
| Maximum system voltage | 0.72 kV | |
| Protection rating | IP20 with terminal covers |
Frequently Asked Questions
What is the Carlo Gavazzi CTD3X4005AXXX used for?
The CTD3X4005AXXX is used to measure high AC currents and provide an isolated 5 A secondary output for electrical metering and monitoring equipment.
What is the current ratio of this transformer?
The current transformer has a 400:5 ratio, with a 400 A primary current and 5 A secondary output.
What accuracy class does the CTD3X4005AXXX provide?
The transformer provides a Class 0.5 accuracy rating for reliable current measurement.
How can this current transformer be mounted?
The CTD3X4005AXXX supports DIN rail, panel and bus-bar mounting for flexible installation in electrical systems.
What applications are suitable for this current transformer?
It is suitable for industrial switchboards, energy monitoring systems, power measurement installations and electrical protection applications.
Trusted by Industrial Electrical Engineers Worldwide
Carlo Gavazzi CTD-3X current transformers are widely used in industrial energy measurement and control applications where accurate current monitoring, dependable operation and flexible installation are required.
