Carlo Gavazzi CTD4X3005AXXX is a Class 0.5 solid-core current transformer with a 300 A AC primary rating, 5 A secondary output and 51 mm aperture for industrial energy metering and electrical current monitoring.
£78.28
The Carlo Gavazzi CTD4X3005AXXX is a robust solid-core current transformer designed for accurate AC current measurement in industrial power monitoring, energy metering and electrical distribution applications. As part of the Carlo Gavazzi CTD-4X Series, it converts a rated primary current of 300 A AC into a standard 5 A secondary output for connection to compatible energy meters, power analysers and monitoring equipment.
With a transformation ratio of 300/5 A, the CTD4X3005AXXX allows high-current electrical circuits to be monitored using standard 5 A measurement inputs. Its Class 0.5 accuracy and 3 VA rated burden at Class 0.5 make it suitable for dependable energy measurement and electrical monitoring applications.
The CTD4X3005AXXX features a generous 51 mm conductor aperture and supports busbars up to 64 mm wide, providing installation flexibility in industrial switchboards and distribution panels. Its stepped aperture and double set of screw connection terminals simplify integration with cables and busbars in permanent electrical installations.
Current transformers such as the Carlo Gavazzi CTD4X3005AXXX allow high AC currents to be measured by transforming the primary current into a proportional secondary current that can be safely handled by standard electrical instrumentation. At its rated primary current of 300 A, the CTD4X3005AXXX provides a 5 A secondary output for compatible metering and monitoring equipment.
The CTD-4X solid-core design is particularly suited to permanent installations in switchboards, distribution panels and industrial electrical systems. Its Class 0.5 accuracy, large conductor aperture, stepped opening and support for substantial busbars make the CTD4X3005AXXX a practical solution for energy measurement, load monitoring and electrical power management.
| Manufacturer | Carlo Gavazzi |
|---|---|
| Series | CTD-4X |
| Model | CTD4X3005AXXX |
| Product type | Solid-core current transformer |
| Rated primary current | 300 A AC |
| Rated secondary current | 5 A AC |
| Current ratio | 300/5 A |
| Transformation ratio | 60:1 |
| Accuracy class | 0.5 |
| Rated burden, Class 0.5 | 3 VA |
| Rated burden, Class 1 | 4 VA |
| Hole diameter | 51 mm |
| Maximum busbar width | 64 mm |
| Core type | Solid core |
| Aperture type | Stepped |
| Connection | Screw terminals |
| Terminal arrangement | Double set of connection terminals |
| Application | AC current measurement and energy monitoring |
The Carlo Gavazzi CTD4X3005AXXX is a solid-core current transformer used to measure AC currents in industrial electrical systems and provide a standard secondary current for compatible energy meters, power analysers and monitoring equipment.
The CTD4X3005AXXX has a current transformer ratio of 300/5 A, meaning a rated primary current of 300 A produces a 5 A secondary output.
The Carlo Gavazzi CTD4X3005AXXX provides Accuracy Class 0.5, making it suitable for accurate electrical current and energy measurement applications.
The current transformer has a 51 mm diameter aperture for the primary conductor and supports busbars up to 64 mm wide.
The CTD4X3005AXXX has a rated burden of 3 VA at Class 0.5 and 4 VA at Class 1.
No. The CTD4X3005AXXX uses a solid-core construction, so the monitored cable or busbar must pass through the transformer aperture during installation.
Carlo Gavazzi CTD Series current transformers provide dependable current measurement for industrial energy management, power monitoring and electrical distribution systems, combining standard secondary outputs with robust construction and accurate measurement performance.
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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...