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CTD4X12505AXXX – CTD-4X Current Transformer 1250A
Carlo Gavazzi CTD4X12505AXXX CTD-4X solid-core current transformer with 1250 A primary current and 5 A secondary output for industrial electrical measurement applications.
£77.24
Why Choose the Carlo Gavazzi CTD4X12505AXXX Current Transformer?
The Carlo Gavazzi CTD4X12505AXXX is a high-performance AC solid-core current transformer designed for accurate current measurement in industrial electrical systems, energy monitoring installations and power distribution applications. As part of the trusted Carlo Gavazzi CTD-4X current transformer series, it provides reliable current transformation for measurement and monitoring equipment requiring a standard 5 A secondary output.
The CTD-4X series features a robust cable and bus-bar mounting design with flexible installation options including DIN-rail, bus-bar and panel mounting. Its compact construction, secure screw terminals and sealable terminal covers make it suitable for integration into industrial control panels and electrical distribution systems.
With a rated primary current of 1250 A, a 5 A secondary output and Class 0.5 accuracy, the CTD4X12505AXXX is designed for precise measurement of high-current electrical loads in industrial monitoring and energy management applications.
Key Advantages
- High-capacity solid-core current transformer for industrial measurement applications.
- 1250 A primary current rating for large electrical installations.
- 5 A secondary current output compatible with standard measurement equipment.
- Class 0.5 accuracy for reliable current monitoring performance.
- Flexible DIN-rail, bus-bar and panel mounting options.
- Sealable terminal covers provide improved installation safety.
Key Features
- Carlo Gavazzi CTD-4X current transformer series.
- 1250 A rated primary current.
- 5 A rated secondary current.
- Class 0.5 measurement accuracy.
- Solid-core current transformer construction.
- 51 mm aperture diameter.
- 64 mm maximum bus-bar width.
- Double screw terminals supporting secure electrical connections.
- DIN-rail, bus-bar and panel mounting capability.
- Housing manufactured from self-extinguishing PA66 material.
Reliable Current Measurement for Industrial Power Systems
Current transformers such as the Carlo Gavazzi CTD4X12505AXXX provide electrical isolation while converting high primary currents into a standard secondary current signal suitable for meters, monitoring equipment and protection devices. This enables safe and accurate measurement of electrical loads in industrial environments.
The CTD-4X series is designed for demanding energy management and automation applications where dependable performance, flexible installation and accurate current measurement are required. Its compact design simplifies integration into electrical distribution equipment and control panels.
Typical Applications
- Industrial energy monitoring systems.
- Electrical distribution panels and switchboards.
- Power measurement and metering equipment.
- Large motor monitoring applications.
- Industrial automation control systems.
- Power management and monitoring installations.
Technical Specifications
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| Mounting Type | Busbar, DIN rail, Panel / base | |
|---|---|---|
| Rated Primary Current (A) | 1250 A | |
| Secondary Current / Output | 5 A | |
| Aperture (mm) | 64 × 20 mm | |
| Accuracy Class | Class 0.5 | |
| Device Type | Solid-core CT | |
| IP Rating | IP20 | |
| Manufacturer | Carlo Gavazzi | |
| Series | CTD-4X | |
| Model | CTD4X12505AXXX | |
| Product type | AC solid-core current transformer | |
| Primary current | 1250 A | |
| Secondary current | 5 A | |
| Current ratio | 1250:5 | |
| Accuracy class | Class 0.5 | |
| Operating frequency | 45–65 Hz | |
| Maximum system voltage | 0.72 kV | |
| Rated insulation level | 3 kV / 1 min at 50 Hz | |
| Standards | EN 61869-2 | |
| Mounting type | DIN-rail, bus-bar and panel mounting | |
| Hole diameter | 51 mm | |
| Maximum bus-bar size | 64 × 20 mm | |
| Connection type | Screw terminals | |
| Cable cross section | 1.5–6 mm² | |
| Protection rating | IP00 (IP20 with sealable terminal covers) | |
| Housing material | PA66 self-extinguishing UL 94 V-0 | |
| Operating temperature | -25 °C to +60 °C | |
| Weight | approx. 450–700 g |
Frequently Asked Questions
What is the Carlo Gavazzi CTD4X12505AXXX used for?
The CTD4X12505AXXX is an AC current transformer designed for measuring high electrical currents in industrial monitoring, metering and protection applications.
What is the primary current rating of this current transformer?
The CTD4X12505AXXX has a rated primary current of 1250 A.
What is the secondary output current?
The current transformer provides a standard 5 A secondary current output.
What accuracy class does this current transformer provide?
The CTD4X12505AXXX provides Class 0.5 accuracy for accurate electrical measurement.
How can the CTD4X12505AXXX be mounted?
The CTD-4X series supports DIN-rail, bus-bar and panel mounting methods for flexible installation.
Trusted by Industrial Monitoring Specialists
Carlo Gavazzi CTD-4X current transformers are widely used in industrial automation and energy monitoring systems where accurate measurement, robust construction and flexible installation are essential.
