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CTD3X505AXXX – CTD-3X Current Transformer 50A
Carlo Gavazzi CTD3X505AXXX solid core current transformer with 50 A primary current and 5 A secondary output for industrial current measurement applications.
£40.21
Why Choose the Carlo Gavazzi CTD3X505AXXX Current Transformer?
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.
Key Advantages
- 50 A / 5 A current transformation ratio for industrial measurement applications.
- Class 0.5 accuracy options available across the CTD-3X range for reliable measurement.
- Flexible DIN rail, panel and bus-bar mounting.
- Compact solid core construction for permanent installations.
- Sealable terminal covers improve connection protection and safety.
- Suitable for energy monitoring, metering and electrical control systems.
Key Features
- Carlo Gavazzi CTD-3X series current transformer.
- 50 A rated primary current.
- 5 A rated secondary current output.
- 50:5 current ratio.
- 41 mm cable aperture diameter.
- Maximum bus-bar compatibility up to 51 mm × 15 mm.
- Operating frequency range of 45–65 Hz.
- Integrated DIN rail mounting holder.
- Removable panel mounting fixing clips.
- Double screw terminals supporting secure wiring connections.
Reliable Current Measurement for Industrial Power 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.
Typical Applications
- Industrial electrical distribution systems.
- Energy monitoring and power management installations.
- Electrical switchboards and control panels.
- Motor control centres.
- Power meters and monitoring devices.
- Industrial automation and control applications.
Technical Specifications
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| Mounting Type | Busbar, DIN rail, Panel / base | |
|---|---|---|
| Rated Primary Current (A) | 50 A | |
| Secondary Current / Output | 5 A | |
| Aperture (mm) | 41 mm | |
| Accuracy Class | Class 3 | |
| Device Type | Solid-core CT | |
| IP Rating | IP20 | |
| 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 |
Frequently Asked Questions
What is the Carlo Gavazzi CTD3X505AXXX used for?
The CTD3X505AXXX is used to measure AC current and provide a standard 5 A secondary output for electrical monitoring and metering equipment.
What is the current ratio of this transformer?
The current transformer has a 50:5 ratio, with a 50 A primary current rating and 5 A secondary output.
How can the CTD3X505AXXX be mounted?
The transformer supports DIN rail, bus-bar and panel mounting for flexible installation in electrical systems.
What aperture size does this current transformer have?
The CTD3X505AXXX features a 41 mm aperture for cable and conductor installation.
What applications are suitable for this current transformer?
It is suitable for industrial energy monitoring, electrical metering, switchboards and automation control systems.
Trusted by Industrial Electrical Engineers Worldwide
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.
