Carlo Gavazzi CTD3X505AXXX solid core current transformer with 50 A primary current and 5 A secondary output for industrial current measurement applications.
£47.31
The Carlo Gavazzi CTD3X505AXXX is a reliable solid core AC current transformer designed for accurate electrical current measurement in industrial power systems, energy monitoring installations and automation applications. As part of the proven Carlo Gavazzi CTD-3X current transformer series, it converts high primary currents into a standard secondary output suitable for measurement, monitoring and protection equipment.
The CTD3X505AXXX combines accurate current sensing with flexible installation options, featuring integrated DIN rail mounting, panel fixing capability and bus-bar mounting support. Its compact and robust design makes it suitable for installation within electrical distribution boards, control panels and industrial switchgear assemblies.
With a 50 A primary current rating and a 5 A secondary output, the CTD3X505AXXX provides dependable current transformation for metering and monitoring applications. The transformer features a 41 mm aperture and supports cable or bus-bar installation for versatile integration into electrical systems.
Current transformers such as the Carlo Gavazzi CTD3X505AXXX allow electrical engineers to safely monitor AC currents by reducing the measured current to a standard secondary signal. This enables connection to meters, monitoring equipment and protection devices without directly measuring high current circuits.
The CTD-3X series provides dependable current measurement combined with simple installation, making it suitable for industrial automation systems, electrical panels and energy management solutions where reliable monitoring is required.
| Manufacturer | Carlo Gavazzi |
|---|---|
| Series | CTD-3X |
| Model | CTD3X505AXXX |
| Product type | Solid core AC current transformer |
| Primary current | 50 A |
| Secondary current | 5 A |
| Current ratio | 50:5 |
| Accuracy class | Class 3 |
| Operating frequency | 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 / bus-bar / panel mounting |
| Cable aperture | 41 mm |
| Maximum bus-bar size | 51 mm × 15 mm |
| Housing material | Self-extinguishing ABS UL 94 V-0 |
| Connection type | Screw terminals |
| Protection rating | IP00 (IP20 with sealable terminal covers) |
| Working temperature | -25 °C to +60 °C |
The CTD3X505AXXX is used to measure AC current and provide a standard 5 A secondary output for electrical monitoring and metering equipment.
The current transformer has a 50:5 ratio, with a 50 A primary current rating and 5 A secondary output.
The transformer supports DIN rail, bus-bar and panel mounting for flexible installation in electrical systems.
The CTD3X505AXXX features a 41 mm aperture for cable and conductor installation.
It is suitable for industrial energy monitoring, electrical metering, switchboards and automation control systems.
Carlo Gavazzi CTD-3X current transformers are widely used in industrial electrical measurement applications where dependable current sensing, flexible installation and long-term reliability 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...