Carlo Gavazzi CTD9H6005AXXX solid-core current transformer with a 600 A primary rating, 5 A secondary output and class 0.5 accuracy for industrial electrical measurement and energy monitoring.
£128.70
The Carlo Gavazzi CTD9H6005AXXX is a reliable solid-core current transformer (CT) designed for accurate measurement of high AC currents in industrial electrical installations, energy monitoring systems and distribution panels. As part of the Carlo Gavazzi CTD9H current transformer series, it converts a rated primary current of 600 A into a standard 5 A secondary output for connection to compatible meters, analysers and monitoring equipment.
This through-feed current transformer allows the monitored conductor or busbar to pass through its opening without requiring a direct electrical connection between the primary power circuit and measuring equipment. Its solid-core construction provides a dependable solution for permanent installations where accurate current measurement, electrical isolation and long-term industrial reliability are required.
With a 600 A primary current rating, 5 A secondary output and accuracy class 0.5, the CTD9H6005AXXX is well suited to precision metering and energy-management applications. Its horizontal CTD9H format accommodates busbars up to approximately 125 × 35 mm, with the series specified for a nominal opening of approximately 126 × 36 mm, making it suitable for large conductors and busbars in industrial switchboards.
Current transformers such as the Carlo Gavazzi CTD9H6005AXXX proportionally reduce high primary currents to a standard secondary current that can be measured by compatible instrumentation. With a 600/5 A ratio, a 600 A primary current corresponds to a 5 A secondary current, allowing meters and monitoring devices to measure high-current circuits without carrying the full primary load current.
The CTD9H series is designed for industrial switchboards, distribution systems and energy-monitoring installations where dependable current measurement is essential. Its combination of solid-core construction, large rectangular busbar opening and class 0.5 measurement accuracy makes the CTD9H6005AXXX particularly suitable for permanent installations requiring precise monitoring of electrical loads.
| Manufacturer | Carlo Gavazzi |
|---|---|
| Series | CTD9H |
| Model | CTD9H6005AXXX |
| Product type | Solid-core current transformer |
| Rated primary current | 600 A |
| Rated secondary current | 5 A |
| Current transformation ratio | 600/5 A (120:1) |
| Accuracy class | 0.5 |
| Rated secondary apparent power | 4 VA at class 0.5 |
| Maximum busbar size | approx. 125 × 35 mm |
| Nominal rectangular opening | approx. 126 × 36 mm |
| Transformer type | Through-feed / window current transformer |
| Core type | Solid core |
| Secondary connection | Screw terminals |
| Primary inputs | 1 |
| Mounting orientation | Horizontal |
The CTD9H6005AXXX is used to measure high AC currents in electrical distribution, energy monitoring and industrial control systems by converting a rated 600 A primary current into a proportional 5 A secondary current.
The current transformer has a rated ratio of 600/5 A, equivalent to a transformation ratio of 120:1.
The CTD9H6005AXXX has an accuracy class of 0.5, making it suitable for applications requiring precise current and energy measurement.
The CTD9H6005AXXX is designed for large conductors and can accommodate busbars up to approximately 125 × 35 mm, with a nominal rectangular opening of approximately 126 × 36 mm.
The CTD9H6005AXXX is typically installed around a conductor or busbar inside industrial switchboards, electrical distribution panels and energy-monitoring systems.
Carlo Gavazzi CTD9H current transformers provide dependable current measurement for industrial installers, panel builders and energy-management professionals, combining solid-core construction with accurate measurement and practical integration into commercial and industrial power 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...