CTD8V4005AXXX – 400 A Primary current, 5A output 80×30 mm
Carlo Gavazzi CTD8V4005AXXX solid-core current transformer with a 400 A primary current rating and 5 A secondary output for industrial current measurement applications.
SKU:CTD8V4005AXXXMPN:CTD8V4005AXXX
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Why Choose the Carlo Gavazzi CTD8V4005AXXX Current Transformer?
The Carlo Gavazzi CTD8V4005AXXX is a reliable AC solid-core current transformer designed for accurate current measurement in industrial power monitoring, energy management and electrical protection systems. As part of the Carlo Gavazzi CTD-8V current transformer series, it converts high primary currents into a standard 5 A secondary output for connection to measuring instruments and monitoring equipment.
This current transformer features a compact vertical bus-bar mounting design, providing straightforward installation within industrial switchboards, electrical panels and power distribution assemblies. The CTD-8V series delivers dependable performance with a robust construction suitable for demanding electrical environments.
With a rated primary current of 400 A and a 5 A secondary output, the CTD8V4005AXXX is suitable for accurate AC current measurement applications requiring a compact solid-core transformer with an 80 × 30 mm mounting aperture.
Key Advantages
Reliable solid-core AC current transformer for industrial measurement applications.
400 A primary current rating suitable for medium-current electrical systems.
5 A secondary output compatible with standard measurement and protection equipment.
80 × 30 mm bus-bar mounting size for efficient panel integration.
Class 0.5 accuracy for precise current measurement performance.
Robust construction designed for reliable industrial operation.
Key Features
Carlo Gavazzi CTD-8V series current transformer.
400 A rated primary current.
5 A rated secondary current output.
Solid-core construction with vertical mounting orientation.
Designed for bus-bar mounting applications.
Maximum bus-bar size up to 30 × 80 mm.
Operating frequency range of 48–62 Hz.
Designed for industrial energy monitoring and electrical measurement systems.
Reliable Current Measurement for Industrial Power Systems
Current transformers such as the Carlo Gavazzi CTD8V4005AXXX allow high electrical currents to be safely measured by reducing primary current levels to a standard secondary output. This enables accurate monitoring, metering and protection within industrial electrical installations.
The CTD-8V series combines accurate current transformation, robust mechanical design and practical bus-bar mounting features, making it suitable for switchgear, energy monitoring equipment and automation systems requiring dependable current measurement.
Typical Applications
Industrial energy monitoring systems.
Electrical switchboards and distribution panels.
Power metering and measurement equipment.
Industrial automation power monitoring.
Electrical protection and control systems.
Building and infrastructure energy management installations.
Technical Specifications
Manufacturer
Carlo Gavazzi
Series
CTD-8V
Model
CTD8V4005AXXX
Product type
AC solid-core current transformer
Primary current
400 A
Secondary current
5 A
Accuracy class
Class 0.5
Mounting type
Vertical bus-bar mounting
Bus-bar size
Maximum 30 × 80 mm
Operating frequency
48–62 Hz
Maximum system voltage
0.72 kV
Rated insulation level
3 kV / 1 min at 50 Hz
Insulation class
E (maximum 75 °C)
Standards
EN61869-2
Protection rating
IP00 without sealable terminal covers / IP20 with sealable terminal covers
Frequently Asked Questions
What is the Carlo Gavazzi CTD8V4005AXXX used for?
The CTD8V4005AXXX is used to measure AC electrical current by converting a 400 A primary current into a standard 5 A secondary output for monitoring and measurement equipment.
What is the primary current rating of this current transformer?
The Carlo Gavazzi CTD8V4005AXXX has a rated primary current of 400 A.
What secondary output does the CTD8V4005AXXX provide?
The current transformer provides a standard 5 A secondary current output.
What mounting arrangement does this current transformer use?
The CTD8V4005AXXX uses a vertical bus-bar mounting design within the Carlo Gavazzi CTD-8V series.
What bus-bar size is supported by this current transformer?
The CTD8V4005AXXX supports bus-bars up to 30 × 80 mm.
Trusted by Industrial Power Engineers Worldwide
Carlo Gavazzi CTD current transformers are widely used by electrical engineers and automation professionals to provide accurate current measurement, reliable monitoring and efficient energy management in industrial systems.
Manufacturer
Carlo Gavazzi
Series
CTD-8V
Model
CTD8V4005AXXX
Product type
AC solid-core current transformer
Primary current
400 A
Secondary current
5 A
Accuracy class
Class 0.5
Mounting type
Vertical bus-bar mounting
Bus-bar size
Maximum 30 × 80 mm
Operating frequency
48–62 Hz
Maximum system voltage
0.72 kV
Rated insulation level
3 kV / 1 min at 50 Hz
Insulation class
E (maximum 75 °C)
Standards
EN61869-2
Protection rating
IP00 without sealable terminal covers / IP20 with sealable terminal covers
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...