Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
CTD8S25005AXXX – 2500 A Primary current, 5A output 30×80 mm
Carlo Gavazzi CTD8S25005AXXX split-core current transformer with 2500 A primary current and 5 A secondary output for high-current industrial measurement applications.
£153.38
Why Choose the Carlo Gavazzi CTD8S25005AXXX Current Transformer?
The Carlo Gavazzi CTD8S25005AXXX is a high-current split-core AC current transformer designed for accurate measurement and monitoring of large electrical currents in industrial power distribution systems. As part of the advanced Carlo Gavazzi CTD-8S current transformer series, it provides a reliable 5 A secondary output for connection to energy meters, monitoring equipment and electrical protection systems.
The CTD8S25005AXXX features a split-core design with bus-bar mounting capability, allowing easier installation and retrofit integration without requiring complete conductor removal. Its robust construction includes isolated fixing screws, double screw terminals and sealable terminal covers for secure installation in demanding industrial environments.
With a 2500 A primary current rating, 5 A secondary output and a 31 mm × 81 mm opening, the CTD8S25005AXXX is designed for dependable current measurement in high-power electrical distribution, energy monitoring and industrial metering applications.
Key Advantages
- 2500 A / 5 A current transformation ratio for high-current industrial measurement.
- Split-core construction simplifies installation and retrofit projects.
- Class 1 accuracy for reliable current monitoring performance.
- 30 mm × 80 mm bus-bar compatibility for large conductor systems.
- Multiple isolated fixing screws provide secure bus-bar mounting.
- Sealable terminal covers improve connection safety and protection.
Key Features
- Carlo Gavazzi CTD-8S series split-core current transformer.
- 2500 A rated primary current.
- 5 A rated secondary current output.
- 2500:5 current ratio.
- Class 1 accuracy.
- 31 mm × 81 mm aperture size.
- Maximum bus-bar size: 30 mm × 80 mm.
- Operating frequency range of 48–62 Hz.
- Bus-bar mounting with isolated fixing hardware.
- Double screw terminals supporting secure multi-wire connections.
Reliable Current Measurement for High-Power Electrical Systems
Current transformers such as the Carlo Gavazzi CTD8S25005AXXX allow high electrical currents to be monitored safely by reducing the primary current to a standard secondary signal. This enables accurate connection to energy meters, monitoring systems and industrial protection equipment.
The CTD-8S series is designed for demanding industrial installations where accurate measurement, secure mounting and long-term reliability are essential. Its split-core construction provides installation flexibility for both new systems and retrofit applications.
Typical Applications
- Industrial power distribution switchboards.
- Large electrical panels and control cabinets.
- Energy monitoring and power management systems.
- High-current bus-bar measurement installations.
- Industrial metering and protection equipment.
- Automation and electrical monitoring systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Mounting Type | Busbar | |
|---|---|---|
| Rated Primary Current (A) | 2500 A | |
| Secondary Current / Output | 5 A | |
| Aperture (mm) | 80 × 30 mm | |
| Accuracy Class | Class 1 | |
| Device Type | Split-core CT | |
| IP Rating | IP20 | |
| Manufacturer | Carlo Gavazzi | |
| Series | CTD-8S | |
| Model | CTD8S25005AXXX | |
| Product type | Split-core AC current transformer | |
| Primary current | 2500 A | |
| Secondary current | 5 A | |
| Current ratio | 2500:5 | |
| Accuracy class | Class 1 | |
| Operating frequency | 48–62 Hz | |
| Maximum system voltage | 0.72 kV | |
| Rated insulation level | 3 kV / 1 min at 50 Hz | |
| Insulation class | E (maximum 75 °C) | |
| Security factor | ≤5 | |
| Mounting type | Bus-bar mounting | |
| Opening size | 31 mm × 81 mm | |
| Maximum bus-bar size | 30 mm × 80 mm | |
| Housing material | Self-extinguishing UL 94 V-0 material | |
| Connection type | Double screw terminals | |
| Protection rating | IP00 without terminal covers / IP20 with sealable terminal covers | |
| Working temperature | -25 °C to product-specific maximum rating |
Frequently Asked Questions
What is the Carlo Gavazzi CTD8S25005AXXX used for?
The CTD8S25005AXXX is used for measuring high AC currents and providing a standard 5 A secondary output for industrial monitoring and metering equipment.
What is the current ratio of this transformer?
The transformer has a 2500:5 ratio, with a 2500 A primary current rating and 5 A secondary output.
What type of current transformer is the CTD8S25005AXXX?
The CTD8S25005AXXX is a split-core bus-bar current transformer designed for high-current industrial installations.
What aperture size does this current transformer have?
The transformer features a 31 mm × 81 mm opening for bus-bar installation.
What accuracy class does the CTD8S25005AXXX provide?
The CTD8S25005AXXX provides Class 1 accuracy for reliable industrial current measurement applications.
Trusted by Industrial Electrical Engineers Worldwide
Carlo Gavazzi CTD-8S current transformers are widely used in high-current industrial measurement applications where accurate monitoring, safe installation and dependable energy management are required.
