CTD10V4005AXXX – 400 A Primary current

Why Choose the Carlo Gavazzi CTD10V4005AXXX Current Transformer?

The Carlo Gavazzi CTD10V4005AXXX is a robust and accurate solid-core current transformer (CT) designed for AC current measurement in industrial electrical installations, energy monitoring systems and power distribution equipment. As part of the Carlo Gavazzi CTD 10V series, it provides dependable current transformation for use with energy meters, power analysers and electrical monitoring equipment.

This current transformer converts a high primary current into a standardised secondary current that can be safely measured by compatible instrumentation. Its solid-core, through-feed construction provides a reliable solution for permanent installations, while the large opening accommodates substantial conductors and busbars commonly used in industrial switchboards and distribution panels.

With a rated primary current of 400 A and a 5 A secondary output, the CTD10V4005AXXX provides a transformation ratio of 400/5 A. It features Class 0.5 accuracy, a 51 mm hole diameter and support for busbars up to approximately 50 × 125 mm, making it well suited to accurate current measurement in industrial power and energy monitoring applications.

Key Advantages

• Robust solid-core current transformer designed for industrial AC measurement.
• 400 A rated primary current for electrical distribution and monitoring applications.
• 5 A secondary output compatible with standard industrial metering equipment.
• Class 0.5 accuracy for precise electrical measurement and energy monitoring.
• 51 mm hole diameter accommodates suitable conductors and busbars.
• Supports busbars up to approximately 50 × 125 mm.
• Suitable for DIN rail, panel and busbar mounting arrangements.
• Solid-core construction provides dependable performance in permanent installations.

Key Features

• Carlo Gavazzi CTD 10V series.
• 400 A rated primary current.
• 5 A rated secondary current.
• 80:1 current transformation ratio.
• Class 0.5 measurement accuracy.
• 1 VA rated secondary burden at Class 0.5.
• 7 VA rated secondary burden at Class 1.
• 10 VA rated secondary burden at Class 3.
• 51 mm hole diameter.
• Maximum busbar width of approximately 50–51 mm.
• Busbar capacity up to approximately 50 × 125 mm.
• Screw-terminal secondary connection.
• Solid-core through-feed construction for permanent electrical installations.

Reliable Current Measurement for Industrial Power Systems

Current transformers such as the Carlo Gavazzi CTD10V4005AXXX enable AC current to be measured without routing the full primary current through the connected measuring instrument. The transformer produces a proportional 5 A secondary current that can be used by compatible energy meters, power analysers and electrical monitoring equipment.

The CTD 10V series is designed for industrial applications where accurate measurement, a large conductor opening and robust construction are important. Its 400/5 A transformation ratio, Class 0.5 accuracy and solid-core design make the CTD10V4005AXXX particularly suitable for permanent power distribution, energy management and electrical monitoring installations.

Typical Applications

• Industrial electrical distribution panels.
• Energy monitoring and metering systems.
• Power analysers and electrical measuring equipment.
• Busbar current measurement installations.
• Building energy management systems.
• Industrial machinery and automation panels.
• Electrical switchboards and distribution systems.
• Commercial and industrial power monitoring installations.