Carlo Gavazzi CTD4X8005AXXX CTD-4X AC current transformer with 800 A primary rating and 5 A secondary output for industrial electrical measurement applications.
£84.90
The Carlo Gavazzi CTD4X8005AXXX is a high-performance AC current transformer designed for accurate current measurement in industrial power distribution, energy monitoring and electrical automation applications. As part of the CTD-4X current transformer series, it provides reliable current conversion with an 800 A primary rating and 5 A secondary output for connection to energy meters, power analysers and industrial monitoring equipment.
This solid-core cable and bus-bar type current transformer is designed for flexible installation with DIN-rail, bus-bar and panel mounting options. The CTD-4X series combines compact construction, high insulation performance and Class 0.5 measurement accuracy for demanding industrial electrical systems.
With a 800 A primary current rating, 5 A secondary current output, 51 mm aperture and support for bus-bars up to 64 mm wide, the CTD4X8005AXXX provides dependable current transformation for industrial energy measurement and electrical monitoring applications.
Current transformers such as the Carlo Gavazzi CTD-4X series provide safe and accurate measurement of high electrical currents by converting primary current values into standard secondary outputs suitable for monitoring equipment. This allows industrial systems to analyse electrical performance without directly connecting sensitive instruments to high-current circuits.
The CTD4X8005AXXX combines accurate current transformation with robust mechanical construction and flexible mounting options, making it suitable for electrical distribution panels, machinery monitoring systems and industrial energy management installations.
| Manufacturer | Carlo Gavazzi |
|---|---|
| Series | CTD-4X |
| Model | CTD4X8005AXXX |
| Product type | AC current transformer |
| Primary current | 800 A |
| Secondary current | 5 A |
| Accuracy class | Class 0.5 |
| Operating frequency | 45–65 Hz |
| Maximum system voltage | 0.72 kV |
| Rated insulation level | 3 kV / 1 min at 50 Hz |
| Insulation class | Class E (maximum 75 °C) |
| Short-time thermal current | Typical 100 × In / 1 s |
| Dynamic current rating | 2.5 × Ith |
| Extended current rating | 120% |
| Security factor | FS ≤ 5 |
| Hole diameter | 51 mm |
| Maximum bus-bar width | 64 mm |
| Mounting type | DIN rail, bus-bar and panel mounting |
| Housing material | Self-extinguishing PA66 UL 94 V-0 |
| Operating temperature | Refer to CTD-4X range specifications |
| Standard | EN61869-2 |
The CTD4X8005AXXX is used to measure AC current in industrial electrical systems and provide a reduced secondary current signal for monitoring equipment.
The unit has an 800 A primary current rating.
The current transformer provides a standard 5 A secondary current output.
The CTD4X8005AXXX supports DIN-rail, bus-bar and panel mounting for flexible installation.
The device provides Class 0.5 accuracy for reliable electrical current measurement.
Carlo Gavazzi CTD-4X current transformers are widely used by engineers and system integrators to provide accurate current measurement, dependable monitoring and reliable integration into industrial electrical systems.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...