CTD10V12505AXXX – 1250 A Primary current

Why Choose the Carlo Gavazzi CTD10V12505AXXX 1250 A Current Transformer?

The Carlo Gavazzi CTD10V12505AXXX is a high-performance solid-core current transformer (CT) designed for accurate AC current measurement in industrial energy monitoring, metering and power management applications. As part of the Carlo Gavazzi CTD10V series, it provides a reliable measurement interface between high-current electrical circuits and compatible energy meters, power analysers, transducers and monitoring equipment.

With a rated primary current of 1250 A and a standard 5 A secondary output, the CTD10V12505AXXX provides a 1250/5 A transformation ratio for high-current AC measurement. The transformer supports Class 0.5 accuracy at 15 VA, with higher available burdens of 25 VA at Class 1 and 30 VA at Class 3, providing flexibility for a range of industrial metering applications.

The CTD10V12505AXXX features a solid-core construction intended for permanent installation around conductors or vertical busbars. It has a 51 mm opening diameter and accommodates busbars up to approximately 50 × 125 mm, making it well suited to switchboards, distribution panels and high-current industrial electrical systems.

Key Advantages

• High-accuracy solid-core current transformer for industrial energy measurement.
• 1250 A rated primary current for high-current electrical circuits.
• Standard 5 A secondary output for compatible metering and monitoring equipment.
• 1250/5 A transformation ratio for industrial current measurement.
• Class 0.5 accuracy at 15 VA supports precise power and energy monitoring.
• 51 mm opening diameter accommodates large electrical conductors.
• Suitable for vertical busbars up to approximately 50 × 125 mm.
• Solid-core construction provides a robust solution for permanent electrical installations.

Key Features

• Carlo Gavazzi CTD10V solid-core current transformer series.
• 1250 A rated primary current.
• 5 A rated secondary current.
• 1250:5 current transformation ratio.
• 250:1 current ratio.
• Class 0.5 measurement accuracy.
• 15 VA rated burden at Class 0.5.
• 25 VA rated burden at Class 1.
• 30 VA rated burden at Class 3.
• 51 mm opening diameter.
• Suitable for busbars up to approximately 50 × 125 mm.
• Designed for vertical busbar installations.
• Suitable for energy meters, power analysers and electrical monitoring equipment using 5 A CT inputs.
• DIN rail, panel and busbar mounting options support flexible installation.

Accurate Current Measurement for Energy Monitoring

Current transformers such as the Carlo Gavazzi CTD10V12505AXXX reduce high primary currents to a proportional secondary current that compatible measuring instruments can monitor. Its 1250/5 A ratio allows a 1250 A primary circuit to be represented by a standard 5 A secondary signal for energy meters, power analysers, transducers and other electrical measurement equipment.

The solid-core construction is particularly suitable for permanent installations where measurement accuracy and long-term reliability are important. With Class 0.5 accuracy at 15 VA and accommodation for large vertical busbars, the CTD10V12505AXXX is well suited to industrial switchboards and distribution systems requiring dependable monitoring of high-current feeders.

Typical Applications

• Industrial energy monitoring and management systems.
• Electrical switchboards and distribution panels.
• Power and energy metering installations.
• High-current feeder monitoring.
• Vertical busbar current measurement.
• Building management and energy management systems.
• Industrial machinery and production facilities.
• Power analysers and multifunction electrical meters.
• Commercial and industrial electrical distribution systems.