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CTD9H25005AXXX – 2500 A Primary current, 5A output 125×35 mm
Carlo Gavazzi CTD9H25005AXXX solid-core current transformer with 2500 A primary current and 5 A secondary output for industrial electrical measurement applications.
£127.62
Why Choose the Carlo Gavazzi CTD9H25005AXXX Current Transformer?
The Carlo Gavazzi CTD9H25005AXXX is a high-performance solid-core AC current transformer designed for accurate current measurement and monitoring in industrial electrical systems. Part of the reliable Carlo Gavazzi CTD-9H series, this horizontal bus-bar mounted current transformer provides a precise 2500 A primary current measurement with a 5 A secondary output for connection to energy meters, protection relays and electrical monitoring equipment.
Designed for demanding power distribution applications, the CTD9H25005AXXX combines robust construction, Class 0.5 accuracy and dependable electrical performance. Its horizontal mounting configuration supports large bus-bar installations up to 35 x 125 mm, making it suitable for switchboards, control panels and high-current industrial distribution systems.
With a 2500 A primary current rating and 5 A secondary output, the CTD9H25005AXXX is ideal for energy measurement, load monitoring and electrical protection applications where reliable current transformation is required.
Key Advantages
- 2500 A solid-core current transformer for high-current industrial measurement applications.
- 5 A secondary output compatible with standard measuring and protection devices.
- Class 0.5 accuracy for reliable current measurement performance.
- Horizontal bus-bar mounting design for high-current installations.
- Supports bus-bars up to 35 x 125 mm.
- Robust construction designed for industrial switchgear and electrical distribution systems.
Key Features
- Carlo Gavazzi CTD-9H series solid-core current transformer.
- 2500 A rated primary current.
- 5 A rated secondary current.
- Class 0.5 accuracy.
- Horizontal bus-bar mounting configuration.
- Maximum bus-bar opening size of approximately 126 x 36 mm.
- Operating frequency range of 48–62 Hz.
- Designed according to EN61869-2 standards.
Reliable Current Measurement for Industrial Power Systems
Current transformers such as the Carlo Gavazzi CTD9H25005AXXX provide safe and accurate current reduction for electrical measurement devices by converting high primary currents into standardised secondary signals. This enables efficient monitoring of electrical loads while maintaining safe separation between high-current conductors and measurement equipment.
The CTD-9H series is designed for industrial switchgear, energy management systems and electrical distribution equipment where dependable measurement accuracy and long-term reliability are essential.
Typical Applications
- Industrial electrical distribution panels.
- High-current switchgear installations.
- Energy monitoring and power measurement systems.
- Electrical protection and metering systems.
- Control cabinets and industrial automation power management.
- Commercial and industrial power distribution systems.
Technical Specifications
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| Mounting Type | Busbar | |
|---|---|---|
| Device Type | Solid-core CT | |
| Rated Primary Current (A) | 2500 A | |
| Secondary Current / Output | 5 A | |
| Aperture (mm) | 125 × 35 mm | |
| Accuracy Class | Class 0.5 | |
| IP Rating | IP20 | |
| Manufacturer | Carlo Gavazzi | |
| Series | CTD-9H | |
| Model | CTD9H25005AXXX | |
| Product type | Solid-core AC current transformer | |
| Primary current | 2500 A | |
| Secondary current | 5 A | |
| Accuracy class | Class 0.5 | |
| Mounting type | Horizontal bus-bar mounting | |
| Bus-bar opening | 126 x 36 mm | |
| Maximum bus-bar size | 35 x 125 mm | |
| Hole diameter | 36 mm | |
| 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) | |
| Short-time thermal current | Typical 100 In / 1 s | |
| Dynamic current rating | 2.5 Ith | |
| Connection | Screw terminals | |
| Cable cross-section | 1.5–6 mm² | |
| Protection rating | IP00 without terminal covers / IP20 with sealable terminal covers and wire terminals | |
| Housing material | Self-extinguishing PA66 UL 94 V-0 | |
| Standards | EN61869-2 |
Frequently Asked Questions
What is the Carlo Gavazzi CTD9H25005AXXX used for?
The CTD9H25005AXXX is used for measuring and monitoring high AC currents in industrial electrical systems, switchboards and energy management applications.
What primary current does this current transformer measure?
The CTD9H25005AXXX has a rated primary current of 2500 A.
What is the secondary output of the CTD9H25005AXXX?
The current transformer provides a standard 5 A secondary output for connection to compatible measuring and protection devices.
What accuracy class does this current transformer provide?
The CTD9H25005AXXX provides Class 0.5 accuracy for reliable current measurement.
What mounting type does this current transformer use?
The CTD9H25005AXXX uses a horizontal bus-bar mounting design suitable for large industrial power distribution systems.
Trusted by Industrial Power Engineers Worldwide
Carlo Gavazzi CTD current transformers are widely used by electrical engineers and automation professionals for accurate measurement, monitoring and protection of industrial power systems.
