Carlo Gavazzi CTD12V40005AXXX solid-core vertical bus-bar current transformer designed for accurate 4000 A to 5 A industrial current measurement.
£199.51
The Carlo Gavazzi CTD12V40005AXXX is a high-performance solid-core AC current transformer designed for accurate measurement of very high electrical currents in industrial power distribution, energy monitoring and automation systems. As part of the reliable Carlo Gavazzi CTD-12V series, it provides a robust vertical bus-bar mounting solution for applications requiring precise current transformation and dependable long-term operation.
This current transformer converts high primary current levels into a standard secondary output suitable for connection to electrical meters, monitoring systems and protection equipment. The solid-core construction and vertical mounting design provide secure installation in industrial switchboards, control panels and power management systems.
With a rated primary current of 4000 A and a secondary output of 5 A, the CTD12V40005AXXX is designed for large electrical installations where accurate current monitoring and reliable performance are essential. It features a 54 mm hole diameter and supports bus-bar mounting applications with a maximum bus-bar width of 54 mm.
Current transformers such as the Carlo Gavazzi CTD12V40005AXXX provide a safe and efficient method of monitoring high-current electrical circuits by converting primary current into a standard secondary signal. This enables connection to energy meters, measurement instruments and protection systems without direct connection to high-current conductors.
The CTD-12V series is designed for industrial applications where accurate measurement, secure installation and long-term reliability are required. Its solid-core construction and bus-bar mounting capability make it suitable for modern electrical distribution and automation systems.
| Manufacturer | Carlo Gavazzi |
|---|---|
| Series | CTD-12V |
| Model | CTD12V40005AXXX |
| Product type | Solid-core AC current transformer |
| Mounting type | Vertical bus-bar mounting |
| Rated primary current | 4000 A |
| Rated secondary current | 5 A |
| Accuracy class | 0.5 |
| Rated secondary apparent power | 15 VA |
| Hole diameter | 54 mm |
| Maximum bus-bar width | 54 mm |
| Operating frequency | 50 / 60 Hz |
| Maximum system voltage | 0.72 kV |
| Rated insulation level | 3 kV / 1 min at 50 Hz |
| Insulation class | B |
| Protection rating | IP20 |
| Standards | EN60044-1 |
| Approval | CE |
The CTD12V40005AXXX is used for measuring high AC currents in industrial electrical systems and providing a standard secondary output for monitoring, metering and protection equipment.
The transformer provides a 4000 A primary current measurement with a 5 A secondary output.
The CTD12V40005AXXX has an accuracy class of 0.5 for precise industrial current measurement.
The CTD12V40005AXXX is designed for vertical bus-bar mounting with a 54 mm hole diameter and supports bus-bars up to 54 mm wide.
They are commonly used in industrial power distribution, energy monitoring, switchgear and electrical automation applications.
Carlo Gavazzi CTD current transformers are trusted by electrical engineers and automation professionals for accurate measurement, dependable installation and reliable monitoring of 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...