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.
CTD10H12505AXXX – 1250 A Primary current
Carlo Gavazzi CTD10H12505AXXX solid-core current transformer with 1250 A primary and 5 A secondary output designed for industrial electrical measurement applications.
£124.92
Why Choose the Carlo Gavazzi CTD10H12505AXXX Current Transformer?
The Carlo Gavazzi CTD10H12505AXXX is a high-accuracy solid-core AC current transformer designed for industrial electrical measurement, energy monitoring and protection applications. Part of the advanced Carlo Gavazzi CTD10H series, it provides reliable current transformation from high primary currents for use with electrical meters, analysers and monitoring systems.
This horizontal busbar-mounted current transformer provides a 1250 A primary current rating with a 5 A secondary output, allowing connection to standard current measurement equipment. Its solid-core construction and Class 0.5 accuracy support precise current monitoring in industrial power installations.
With a maximum busbar opening of 126 × 51 mm, double screw connection terminals and compliance with EN 61869-2, the Carlo Gavazzi CTD10H12505AXXX provides dependable current measurement for switchboards, energy management systems and industrial control applications.
Key Advantages
- High-performance solid-core current transformer for industrial measurement.
- 1250 A primary current rating for high-current electrical systems.
- 5 A secondary output compatible with standard measurement instruments.
- Class 0.5 accuracy for reliable electrical measurement.
- Horizontal busbar mounting design for straightforward installation.
- Suitable for energy monitoring, metering and protection applications.
Key Features
- Carlo Gavazzi CTD10H series current transformer.
- 1250 A primary current.
- 5 A secondary current output.
- Class 0.5 measurement accuracy.
- Solid-core busbar mounting construction.
- Horizontal mounting configuration.
- 126 × 51 mm busbar opening.
- Double screw terminal connections.
- EN 61869-2 compliant design.
- ABS self-extinguishing housing material.
Accurate Current Measurement for Industrial Power Systems
Current transformers such as the Carlo Gavazzi CTD10H12505AXXX reduce high electrical currents to standard secondary values suitable for measurement and monitoring equipment. This enables accurate analysis of energy consumption, electrical loads and system performance.
The CTD10H series is designed for engineers requiring reliable current sensing solutions for switchgear, distribution systems and industrial automation installations where precise measurement and robust construction are essential.
Typical Applications
- Industrial energy monitoring systems.
- Electrical switchboards and distribution panels.
- Power analysers and energy meters.
- Industrial automation control systems.
- Electrical load monitoring applications.
- Power management installations.
Technical Specifications
Tick the specs you need, then view products that match.
| Mounting Type | Busbar | |
|---|---|---|
| Device Type | Solid-core CT | |
| Rated Primary Current (A) | 1250 A | |
| Secondary Current / Output | 5 A | |
| Aperture (mm) | 126 × 51 mm | |
| Accuracy Class | Class 0.5 | |
| IP Rating | IP20 | |
| Manufacturer | Carlo Gavazzi | |
| Series | CTD10H | |
| Model | CTD10H12505AXXX | |
| Product type | Solid-core AC current transformer | |
| Primary current | 1250 A | |
| Secondary current | 5 A | |
| Accuracy class | Class 0.5 | |
| Mounting type | Horizontal busbar mounting | |
| Maximum busbar size | 126 × 51 mm | |
| Operating frequency | 48–62 Hz | |
| Maximum system voltage | 0.72 kV | |
| Insulation voltage | 3 kV / 1 min at 50 Hz | |
| Protection rating | IP00 without terminal covers, IP20 with terminal covers | |
| Standard | EN 61869-2 |
Frequently Asked Questions
What is the Carlo Gavazzi CTD10H12505AXXX used for?
The Carlo Gavazzi CTD10H12505AXXX is a current transformer used to measure high AC currents and provide a reduced secondary current signal for monitoring and protection equipment.
What is the primary current rating of this current transformer?
The CTD10H12505AXXX has a 1250 A primary current rating.
What is the secondary output current?
The transformer provides a standard 5 A secondary output for compatible measurement equipment.
What accuracy class does the CTD10H12505AXXX provide?
The transformer provides Class 0.5 accuracy for precise electrical measurement applications.
How is the Carlo Gavazzi CTD10H12505AXXX mounted?
The transformer is designed for horizontal busbar mounting with a maximum opening size of 126 × 51 mm.
Trusted by Industrial Energy Management Engineers Worldwide
Carlo Gavazzi CTD series current transformers are trusted by electrical engineers to provide accurate current measurement and reliable integration into industrial energy monitoring and protection systems.
