Carlo Gavazzi CTD9H12005AXXX solid-core current transformer with 1200 A primary current and 5 A secondary output for industrial electrical measurement applications.
£135.47
The Carlo Gavazzi CTD9H12005AXXX is a high-performance solid-core AC current transformer designed for accurate current measurement and monitoring in industrial electrical systems. Part of the advanced Carlo Gavazzi CTD-9H series, this horizontal bus-bar mounted current transformer provides a precise 1200 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 CTD9H12005AXXX combines robust construction, Class 0.5 accuracy and dependable electrical performance. Its horizontal mounting configuration supports bus-bars up to 35 x 125 mm, making it suitable for installation inside switchboards, control panels and high-current industrial distribution systems.
With a 1200 A primary current rating and 5 A secondary output, the CTD9H12005AXXX is ideal for energy measurement, load monitoring and electrical protection applications where reliable current transformation is required.
Current transformers such as the Carlo Gavazzi CTD9H12005AXXX 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.
| Manufacturer | Carlo Gavazzi |
|---|---|
| Series | CTD-9H |
| Model | CTD9H12005AXXX |
| Product type | Solid-core AC current transformer |
| Primary current | 1200 A |
| Secondary current | 5 A |
| Accuracy class | Class 0.5 |
| Mounting type | Horizontal bus-bar mounting |
| Maximum bus-bar size | 35 x 125 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 section 1.5–6 mm² |
| Protection rating | IP00 without terminal covers / IP20 with sealable terminal covers and wire terminals |
| Housing material | Self-extinguishing ABS UL 94 V-0 |
| Standards | EN61869-2 |
The CTD9H12005AXXX is used for measuring and monitoring high AC currents in industrial electrical systems, switchboards and energy management applications.
The CTD9H12005AXXX has a rated primary current of 1200 A.
The current transformer provides a standard 5 A secondary output for connection to compatible measuring and protection devices.
The CTD9H12005AXXX provides Class 0.5 accuracy for reliable current measurement.
The CTD9H12005AXXX uses a horizontal bus-bar mounting design and supports bus-bars up to 35 x 125 mm.
Carlo Gavazzi CTD current transformers are widely used by electrical engineers and automation professionals for accurate measurement, monitoring and protection of industrial power systems.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...