Why Choose the Carlo Gavazzi CTD4X2505AXXX Current Transformer?
The Carlo Gavazzi CTD4X2505AXXX is a robust solid-core current transformer designed for accurate AC current measurement in industrial power monitoring, energy metering and electrical distribution applications. As part of the Carlo Gavazzi CTD-4X Series, it converts a primary current of 250 A AC into a standard 5 A secondary output for connection to compatible meters, power analysers and monitoring equipment.
With a transformer ratio of 250/5 A, the CTD4X2505AXXX allows high-current electrical circuits to be monitored safely using standard 5 A measurement inputs. Its Class 0.5 accuracy makes it suitable for applications where dependable current measurement is required, while its Class 0.5 rated burden of 2.5 VA supports accurate operation with compatible instrumentation.
The CTD4X2505AXXX features a generous 51 mm conductor aperture and supports busbars up to 64 mm wide, providing installation flexibility in industrial switchboards and distribution panels. Its solid-core construction is particularly suited to new installations where the primary cable or busbar can be routed through the transformer during assembly.
Key Advantages
- Accurate 250/5 A current transformation ratio for industrial measurement systems.
- 250 A rated primary current for medium-to-high-current electrical loads.
- Standard 5 A secondary output for compatible meters and power analysers.
- Accuracy Class 0.5 for dependable electrical measurement.
- 2.5 VA burden at Class 0.5.
- Large 51 mm aperture accommodates substantial power conductors.
- Supports busbars up to 64 mm wide.
- Solid-core construction provides a robust permanent current sensing solution.
- Suitable for industrial energy metering, power monitoring and electrical distribution systems.
Key Features
- Carlo Gavazzi CTD-4X Series current transformer.
- Solid-core construction.
- 250 A AC rated primary current.
- 5 A AC secondary output.
- 250:5 current transformation ratio.
- 50:1 transformation ratio.
- Accuracy Class 0.5.
- 2.5 VA rated burden at Class 0.5.
- 4.5 VA rated burden at Class 1.
- 51 mm hole diameter.
- 64 mm maximum busbar width.
- Stepped aperture design suitable for cables and busbars.
- Double set of connection terminals for practical installation.
- Suitable for use with compatible Carlo Gavazzi energy meters and power monitoring equipment.
Reliable Current Measurement for Energy Monitoring
Current transformers such as the Carlo Gavazzi CTD4X2505AXXX allow high AC currents to be measured by reducing the primary current to a proportional secondary current that can be safely handled by standard electrical instrumentation. At its rated primary current of 250 A, the CTD4X2505AXXX provides a 5 A secondary output for compatible metering and monitoring equipment.
The CTD-4X solid-core design is particularly suited to permanent installations in switchboards, distribution panels and industrial electrical systems. Its Class 0.5 accuracy, large conductor aperture and support for substantial busbars make the CTD4X2505AXXX a practical solution for energy measurement, load monitoring and power management applications.
Typical Applications
- Industrial energy metering systems.
- Electrical distribution boards and switchboards.
- Power and load monitoring systems.
- Industrial machinery electrical monitoring.
- Building energy management systems.
- Power analysers and multifunction meters.
- Factory and production facility energy monitoring.
- Commercial electrical installations.
- Busbar and cable current measurement up to 250 A AC.
