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CTD2X4005AXXX – CTD-2X Current Transformer 400A
Carlo Gavazzi CTD2X4005AXXX CTD-2X solid-core current transformer with a 400 A primary rating, 5 A secondary output, class 0.5 accuracy, 12 VA power rating and 24 mm cable aperture for electrical metering and monitoring applications.
£40.43
Why Choose the Carlo Gavazzi CTD2X4005AXXX CTD-2X Current Transformer?
The Carlo Gavazzi CTD2X4005AXXX is a compact and accurate solid-core current transformer (CT) designed for AC current measurement in electrical distribution, energy monitoring and industrial control applications. As part of the Carlo Gavazzi CTD-2X current transformer series, it converts high primary currents into a standard secondary signal suitable for compatible meters, power analysers and monitoring equipment.
This current transformer features a 400 A primary current rating and 5 A secondary output, providing a 400/5 A transformation ratio. Its accuracy class 0.5 and 12 VA power rating make it suitable for applications requiring dependable current measurement, including energy metering, electrical monitoring and industrial power management systems.
The CTD2X4005AXXX has a 24 mm cable aperture and supports busbars up to 32 mm wide, providing flexible installation around suitable cables and busbars. DIN rail and panel mounting options, together with screw-terminal secondary connections, help simplify integration into electrical switchboards, distribution panels and industrial control cabinets.
Key Advantages
- Solid-core 400/5 A current transformer for accurate AC current measurement.
- Accuracy class 0.5 for dependable metering and monitoring applications.
- 12 VA power rating for compatible measurement circuits.
- 5 A secondary output compatible with a wide range of industrial meters and power analysers.
- 24 mm cable aperture accommodates suitable electrical conductors.
- Supports busbars up to 32 mm wide for flexible panel installation.
- DIN rail and panel mounting options simplify installation in electrical enclosures.
- Screw-terminal secondary connections provide secure electrical termination.
Key Features
- Carlo Gavazzi CTD-2X current transformer series.
- 400 A rated primary current.
- 5 A rated secondary current.
- 400/5 A transformation ratio.
- Accuracy class 0.5.
- 12 VA power rating.
- 45–65 Hz frequency range.
- 0.72 kV maximum system voltage.
- 24 mm hole diameter for cable installation.
- Maximum busbar width of 32 mm.
- DIN rail and panel mounting capability.
- Screw-terminal secondary connections.
Reliable Current Measurement for Electrical Monitoring
Current transformers such as the Carlo Gavazzi CTD2X4005AXXX allow high AC currents to be measured safely and conveniently by converting the primary conductor current into a proportional lower secondary current. The resulting 5 A signal can be connected to compatible energy meters, multifunction meters, power analysers and monitoring equipment.
The CTD-2X series is designed for electrical distribution and industrial monitoring systems where reliable current measurement and practical installation are required. Its solid-core construction, class 0.5 measurement accuracy, versatile conductor aperture and standard 5 A output make the CTD2X4005AXXX well suited to new panel builds, switchboards and energy monitoring installations requiring a 400 A primary current rating.
Typical Applications
- Electrical energy metering and monitoring systems.
- Industrial switchboards and distribution panels.
- Power analysers and multifunction electrical meters.
- Building energy management systems.
- Industrial automation and control panels.
- Load monitoring and electrical consumption measurement.
Technical Specifications
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| Mounting Type | DIN rail, Panel / base | |
|---|---|---|
| Device Type | Solid-core CT | |
| Rated Primary Current (A) | 400 A | |
| Secondary Current / Output | 5 A | |
| Aperture (mm) | 32 mm | |
| Accuracy Class | Class 0.5 | |
| Manufacturer | Carlo Gavazzi | |
| Series | CTD-2X | |
| Model | CTD2X4005AXXX | |
| Product type | Solid-core current transformer | |
| Rated primary current | 400 A | |
| Rated secondary current | 5 A | |
| Transformation ratio | 400/5 A | |
| Accuracy class | 0.5 | |
| Power rating | 12 VA | |
| Frequency range | 45–65 Hz | |
| Maximum system voltage | 0.72 kV | |
| Rated insulation level | 3 kV / 1 min at 50 Hz | |
| Security factor | ≤ 5 | |
| Hole diameter | 24 mm | |
| Maximum busbar width | 32 mm | |
| Secondary connection | Screw terminals | |
| Mounting type | DIN rail / panel mounting | |
| Dimensions (H × W × D) | approx. 86 × 56 × 42 mm |
Frequently Asked Questions
What is the Carlo Gavazzi CTD2X4005AXXX used for?
The CTD2X4005AXXX is used to convert a primary AC current of 400 A into a proportional 5 A secondary signal for compatible electrical meters, power analysers and monitoring equipment.
What is the current ratio of the CTD2X4005AXXX?
The current transformer has a 400/5 A ratio, with a rated primary current of 400 A and a rated secondary current of 5 A.
What accuracy class is the CTD2X4005AXXX?
The Carlo Gavazzi CTD2X4005AXXX has an accuracy class of 0.5, making it suitable for accurate electrical measurement and energy monitoring applications.
What size conductor can pass through the current transformer?
The CTD2X4005AXXX has a 24 mm diameter cable aperture and supports suitable busbars up to 32 mm wide.
Where is the CTD2X4005AXXX typically installed?
The current transformer is typically installed in electrical switchboards, distribution panels, metering systems and industrial control cabinets using its DIN rail or panel mounting options.
Trusted Current Measurement from Carlo Gavazzi
Carlo Gavazzi CTD current transformers provide dependable current measurement for energy management, electrical metering and industrial monitoring systems, combining standardised secondary outputs with practical installation options for modern electrical panels.
