Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
CTD3X5005AXXX – CTD-3X Current Transformer 500A
Carlo Gavazzi CTD3X5005AXXX solid core current transformer with 500 A primary current and 5 A secondary output for industrial current measurement applications.
£43.88
Why Choose the Carlo Gavazzi CTD3X5005AXXX Current Transformer?
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.
Key Advantages
- 500 A / 5 A current transformation ratio for industrial measurement systems.
- High accuracy with Class 0.5 measurement performance.
- Integrated DIN rail, panel and bus-bar mounting options.
- Solid core construction for permanent electrical installations.
- Sealable terminal covers provide improved installation safety.
- Suitable for energy monitoring, metering and electrical protection applications.
Key Features
- Carlo Gavazzi CTD-3X series current transformer.
- 500 A rated primary current.
- 5 A rated secondary current output.
- 500:5 current ratio.
- Class 0.5 accuracy class.
- 41 mm cable aperture diameter.
- Maximum bus-bar size: 51 mm × 15 mm.
- Operating frequency range of 45–65 Hz.
- Double screw terminal connections supporting up to 8-wire connections.
- Integrated DIN rail mounting holder and removable panel fixing clips.
Reliable Current Measurement for Industrial Power Systems
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.
Typical Applications
- Industrial power distribution systems.
- Energy monitoring and power management equipment.
- Electrical switchboards and control panels.
- Motor control centres and automation systems.
- Power meters and current monitoring devices.
- Electrical protection and measurement installations.
Technical Specifications
Tick the specs you need, then view products that match.
| Mounting Type | Busbar, DIN rail, Panel / base | |
|---|---|---|
| Device Type | Solid-core CT | |
| Rated Primary Current (A) | 500 A | |
| Secondary Current / Output | 5 A | |
| Aperture (mm) | 51 × 15 mm | |
| Accuracy Class | Class 0.5 | |
| Rated Burden (VA) | 14 VA | |
| IP Rating | IP20 | |
| 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 |
Frequently Asked Questions
What is the Carlo Gavazzi CTD3X5005AXXX used for?
The CTD3X5005AXXX is used for measuring high AC currents and providing a standard 5 A secondary output for metering and monitoring equipment.
What is the current ratio of this transformer?
The transformer has a 500:5 ratio, with a 500 A primary current rating and 5 A secondary output.
What accuracy class does the CTD3X5005AXXX provide?
The current transformer provides Class 0.5 accuracy for reliable electrical measurement applications.
How can this current transformer be installed?
The CTD3X5005AXXX supports DIN rail, panel and bus-bar mounting for flexible installation in industrial electrical systems.
What is the maximum bus-bar size supported?
The transformer supports bus-bars up to 51 mm × 15 mm with a 41 mm cable aperture.
Trusted by Industrial Electrical Engineers Worldwide
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.
