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CTD2X405AXXX – CTD-2X Current Transformer 40A
Carlo Gavazzi CTD2X405AXXX CTD-2X solid-core current transformer with a 40 A primary rating, 5 A secondary output, class 3 accuracy and 24 mm cable aperture for electrical current monitoring applications.
£36.64
Why Choose the Carlo Gavazzi CTD2X405AXXX CTD-2X Current Transformer?
The Carlo Gavazzi CTD2X405AXXX is a compact 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 higher primary currents into a standard secondary current suitable for compatible meters, power analysers and monitoring equipment.
This current transformer features a 40 A primary current rating and 5 A secondary output, providing a 40/5 A transformation ratio. With accuracy class 3, it provides a practical solution for general electrical current monitoring applications where a standard 5 A secondary measurement signal is required.
The CTD2X405AXXX has a 24 mm cable aperture and accommodates busbars up to 32 mm wide. Its stepped aperture can accommodate common busbar formats including 30 × 10 mm and 25 × 20 mm, while screw terminals and an integrated DIN rail mounting facility help simplify installation inside electrical switchboards, distribution panels and industrial control cabinets.
Key Advantages
- Solid-core current transformer designed for electrical current monitoring.
- 40/5 A transformation ratio for applications with a 40 A rated primary current.
- 5 A secondary output for connection to compatible meters and power monitoring equipment.
- Accuracy class 3 for general current measurement applications.
- 24 mm cable aperture accommodates suitable electrical conductors.
- Stepped aperture supports common busbar formats including 30 × 10 mm and 25 × 20 mm.
- Integrated DIN rail mounting simplifies installation in electrical panels.
- Screw-terminal connections provide convenient and secure secondary wiring.
Key Features
- Carlo Gavazzi CTD-2X current transformer series.
- 40 A rated primary current.
- 5 A rated secondary current.
- 40/5 A transformation ratio.
- Accuracy class 3.
- 24 mm hole diameter for cable installation.
- Maximum busbar width of 32 mm.
- Stepped aperture for flexible cable and busbar installation.
- Integrated DIN rail mounting facility.
- Screw-terminal secondary connections.
Reliable Current Measurement for Electrical Monitoring
Current transformers such as the Carlo Gavazzi CTD2X405AXXX allow AC current to be monitored conveniently by converting the current flowing through the primary conductor into a proportional lower secondary current. The resulting 5 A signal can be connected to compatible energy meters, multifunction meters, power analysers and electrical monitoring equipment.
The CTD-2X series is designed for electrical distribution and industrial monitoring installations where dependable current transformation and practical panel installation are required. Its solid-core construction, stepped conductor aperture, standard 5 A secondary output and integrated DIN rail mounting make the CTD2X405AXXX particularly suitable for new switchboards, control panels and monitoring systems requiring a 40 A primary current rating.
Typical Applications
- Electrical current and energy 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) | 40 A | |
| Secondary Current / Output | 5 A | |
| Aperture (mm) | 10 mm | |
| Accuracy Class | Class 3 | |
| Manufacturer | Carlo Gavazzi | |
| Series | CTD-2X | |
| Model | CTD2X405AXXX | |
| Product type | Solid-core current transformer | |
| Rated primary current | 40 A | |
| Rated secondary current | 5 A | |
| Transformation ratio | 40/5 A | |
| Accuracy class | 3 | |
| Hole diameter | 24 mm | |
| Maximum busbar width | 32 mm | |
| Stepped busbar aperture | suitable for 30 × 10 mm, 25 × 20 mm and similar busbars | |
| Secondary connection | Screw terminals | |
| Mounting type | DIN rail / panel mounting | |
| EAN / GTIN | 8030956040265 |
Frequently Asked Questions
What is the Carlo Gavazzi CTD2X405AXXX used for?
The CTD2X405AXXX is used to convert a 40 A primary AC current into a proportional 5 A secondary current for compatible electrical meters, power analysers and monitoring equipment.
What is the current ratio of the CTD2X405AXXX?
The current transformer has a 40/5 A ratio, with a rated primary current of 40 A and a rated secondary current of 5 A.
What accuracy class is the CTD2X405AXXX?
The Carlo Gavazzi CTD2X405AXXX has an accuracy class of 3, making it suitable for general electrical current monitoring applications.
What size conductor can pass through the current transformer?
The CTD2X405AXXX has a 24 mm diameter cable aperture and supports busbars up to 32 mm wide, including common stepped-aperture formats such as 30 × 10 mm and 25 × 20 mm.
Where is the CTD2X405AXXX typically installed?
The current transformer is typically installed in electrical switchboards, distribution panels, metering systems and industrial control cabinets, with an integrated DIN rail mounting facility provided for convenient installation.
Trusted Current Measurement from Carlo Gavazzi
Carlo Gavazzi CTD current transformers provide practical current measurement solutions for energy management, electrical metering and industrial monitoring systems, combining standardised secondary outputs with flexible conductor apertures and convenient panel installation.
