Carlo Gavazzi CTD8H12505AXXX solid-core current transformer with 1250 A primary current, 5 A output and 31 mm aperture for industrial electrical measurement applications.
£124.26
The Carlo Gavazzi CTD8H12505AXXX is a high-performance solid-core AC current transformer designed for accurate current measurement in industrial electrical systems, energy monitoring equipment and power distribution applications. As part of the Carlo Gavazzi CTD-8H current transformer series, it provides reliable current transformation for high-current cable and bus-bar installations requiring dependable measurement performance and secure integration.
The CTD-8H series is a horizontal mounting current transformer range designed for industrial installations with primary currents from 150 A to 2500 A. It features bus-bar mounting capability, double screw terminals, sealable terminal block covers and isolated fixing screws to provide reliable operation in demanding electrical environments.
With a 1250 A primary current rating, 5 A secondary output, 31 mm hole diameter and 81 mm maximum bus-bar width, the CTD8H12505AXXX is suitable for industrial power monitoring, electrical distribution and energy measurement applications requiring accurate current sensing.
Current transformers such as the Carlo Gavazzi CTD8H12505AXXX provide a safe and accurate method of reducing high primary currents to standard secondary measurement signals for electrical meters, monitoring equipment and protection systems. This enables precise current monitoring while maintaining electrical isolation between the power circuit and connected instrumentation.
The CTD-8H series is designed for industrial power distribution systems where dependable current measurement, robust construction and secure installation are essential. Its high-current capability makes it suitable for large electrical installations and energy management systems.
| Manufacturer | Carlo Gavazzi |
|---|---|
| Series | CTD-8H |
| Model | CTD8H12505AXXX |
| Product type | Solid-core AC current transformer |
| Primary current | 1250 A |
| Secondary current | 5 A |
| Accuracy class | Class 0.5 |
| 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) |
| Extended current rating | 120% |
| Security factor | FS ≤ 5 |
| Mounting type | Horizontal bus-bar mounting |
| Hole diameter | 31 mm |
| Maximum bus-bar width | 81 mm |
| Housing material | Self-extinguishing ABS UL 94 V-0 |
| Protection rating | IP00 without terminal covers / IP20 with sealable terminal block covers and wire terminals |
| Standards | EN61869-2 |
| Working temperature | -25 °C to +60 °C |
The CTD8H12505AXXX is a solid-core AC current transformer used for accurate measurement of high electrical currents in industrial monitoring, energy management and electrical distribution applications.
The Carlo Gavazzi CTD8H12505AXXX has a rated primary current of 1250 A.
The transformer provides a standard 5 A secondary current output.
The current transformer has a 31 mm hole diameter and supports bus-bars up to 81 mm wide.
The CTD8H12505AXXX provides Class 0.5 accuracy for reliable industrial current measurement applications.
Carlo Gavazzi CTD-8H current transformers provide accurate current measurement, reliable high-current performance and dependable integration into modern industrial energy monitoring and electrical distribution systems.
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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...