Carlo Gavazzi CTD3X5005AXXX solid core current transformer with 500 A primary current and 5 A secondary output for industrial current measurement applications.
£51.62
The Carlo Gavazzi CTD3X5005AXXX is a high-performance solid core AC current transformer designed for accurate current measurement and monitoring in industrial electrical systems, energy management installations and automation applications. As part of the trusted Carlo Gavazzi CTD-3X current transformer series, it provides reliable current conversion from high primary currents to a standard secondary output for metering and protection equipment.
The CTD3X5005AXXX combines accurate measurement performance with flexible installation options, featuring an integrated DIN rail mounting holder, removable panel fixing clips and bus-bar mounting capability. Its robust construction makes it suitable for use in industrial switchboards, control panels and power monitoring systems where dependable current sensing is required.
With a 500 A primary current rating and a 5 A secondary output, this current transformer is designed for precise measurement of AC currents in electrical distribution systems. The compact design supports cable and bus-bar installation with a 41 mm aperture and maximum bus-bar dimensions up to 51 mm × 15 mm.
Current transformers such as the Carlo Gavazzi CTD3X5005AXXX allow high AC currents to be safely monitored by reducing the measured current to a standard 5 A secondary signal. This enables accurate connection to energy meters, protection devices and industrial monitoring equipment.
The CTD-3X series is designed for professional electrical installations where accurate measurement, secure mounting and long-term reliability are essential. Its flexible mounting options simplify integration into distribution boards, switchgear assemblies and automation control panels.
| Manufacturer | Carlo Gavazzi |
|---|---|
| Series | CTD-3X |
| Model | CTD3X5005AXXX |
| Product type | Solid core AC current transformer |
| Primary current | 500 A |
| Secondary current | 5 A |
| Current ratio | 500:5 |
| Accuracy class | Class 0.5 |
| Secondary apparent power | 14 VA |
| Frequency range | 45–65 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 | ≤5 |
| Mounting type | DIN rail / panel / bus-bar mounting |
| Hole diameter | 41 mm |
| Housing material | Self-extinguishing ABS UL 94 V-0 |
| Protection rating | IP00 (IP20 with sealable terminal covers and wire terminals) |
| Working temperature | -25 °C to +60 °C |
The CTD3X5005AXXX is used for measuring high AC currents and providing a standard 5 A secondary output for metering and monitoring equipment.
The transformer has a 500:5 ratio, with a 500 A primary current rating and 5 A secondary output.
The current transformer provides Class 0.5 accuracy for reliable electrical measurement applications.
The CTD3X5005AXXX supports DIN rail, panel and bus-bar mounting for flexible installation in industrial electrical systems.
The transformer supports bus-bars up to 51 mm × 15 mm with a 41 mm cable aperture.
Carlo Gavazzi CTD-3X current transformers are widely used in industrial measurement and energy monitoring applications where accurate current sensing, safe installation and dependable performance are required.
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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...