CTD3X3001AXXX - CTD3X Current Transformer 300/1A

CTD3X3001AXXX – CTD3X Current Transformer 300/1A

Carlo Gavazzi CTD3X3001AXXX solid-core AC current transformer designed for accurate 300 A to 1 A current measurement in industrial electrical systems.

SKU: CTD3X3001AXXXMPN: CTD3X3001AXXX
Price
List Price ex VAT
Your Price
On backorder Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

Trade pricing is personalised to your account

Available on backorder

Sold in packs of 3

£53.03

Why Choose the Carlo Gavazzi CTD3X3001AXXX Current Transformer?

The Carlo Gavazzi CTD3X3001AXXX is a high-quality solid-core AC current transformer designed for accurate current measurement in industrial power distribution, energy monitoring and automation applications. As part of the reliable Carlo Gavazzi CTD-3X series, it provides flexible cable and bus-bar mounting capability together with DIN-rail and panel installation options for straightforward integration into electrical control systems.

This current transformer converts high primary current into a standard secondary output suitable for connection to measuring instruments, energy meters and electrical protection equipment. The CTD-3X series features a compact solid-core construction, integrated DIN-rail mounting holder, removable panel fixing clips, isolated bus-bar fixing screws and sealable terminal covers for dependable industrial installation.

With a rated primary current of 300 A and a secondary output of 1 A, the CTD3X3001AXXX is suitable for industrial applications requiring accurate current monitoring and reliable measurement performance. It supports cable and bus-bar mounting with a maximum cable diameter of 41 mm and multiple bus-bar installation configurations.

Key Advantages

  • 300 A / 1 A current transformation ratio for industrial current measurement applications.
  • Solid-core current transformer design for stable and reliable operation.
  • Accuracy class 0.5 for precise energy monitoring and metering.
  • Flexible installation with DIN-rail, panel and bus-bar mounting.
  • Secure screw terminals with sealable terminal covers.
  • Suitable for industrial energy monitoring, metering and electrical protection systems.

Key Features

  • Carlo Gavazzi CTD-3X series solid-core current transformer.
  • 300 A rated primary current.
  • 1 A rated secondary current.
  • Accuracy class 0.5 for precise current measurement.
  • 41 mm cable diameter opening.
  • Maximum bus-bar mounting capability up to 51 × 15 mm.
  • Integrated DIN-rail mounting holder.
  • Removable panel fixing clips.
  • Up to six isolated bus-bar fixing screws.
  • Double screw terminals supporting up to 8-wire connections.
  • Sealable terminal block covers for improved installation security.

Reliable Current Measurement for Industrial Systems

Current transformers such as the Carlo Gavazzi CTD3X3001AXXX provide a safe and efficient method of monitoring AC currents by reducing primary current values to a standard secondary output. This enables connection to electrical meters, monitoring equipment and protection systems without directly measuring high-current conductors.

The CTD-3X series combines robust construction with flexible mounting options, making it suitable for industrial control cabinets, electrical distribution panels and automation systems where dependable current measurement is required.

Typical Applications

  • Industrial energy monitoring systems.
  • Electrical distribution panels.
  • Automation control cabinets.
  • Power measurement and metering equipment.
  • Motor monitoring applications.
  • Industrial electrical protection systems.

Technical Specifications

Manufacturer Carlo Gavazzi
Series CTD-3X
Model CTD3X3001AXXX
Product type Solid-core AC current transformer
Rated primary current 300 A
Rated secondary current 1 A
Accuracy class 0.5
Burden 7 VA
Operating frequency 45–65 Hz
Maximum system voltage 0.72 kV
Rated insulation level 3 kV / 1 min at 50 Hz
Insulation class E
Mounting type DIN-rail, bus-bar and panel mounting
Cable diameter Maximum 41 mm
Horizontal bus-bar sizes Maximum 51 × 15 mm, 40 × 20 mm or 32 × 32 mm
Vertical bus-bar size Maximum 40 × 20 mm
Protection rating IP00 / IP20 with sealable terminal covers
Housing material Self-extinguishing ABS UL94 V-0
Standards EN61869-2
Approvals CE, cURus and CSA

Frequently Asked Questions

What is the Carlo Gavazzi CTD3X3001AXXX used for?

The CTD3X3001AXXX is used for measuring AC current in industrial electrical systems and providing a reduced 1 A secondary signal for monitoring and metering equipment.

What current ratio does this transformer provide?

The transformer provides a 300 A primary current measurement with a 1 A secondary output.

What accuracy class does the CTD3X3001AXXX have?

The CTD3X3001AXXX provides class 0.5 accuracy for precise industrial current measurement applications.

How can this current transformer be mounted?

The CTD3X3001AXXX supports DIN-rail, panel and bus-bar mounting for flexible installation in industrial systems.

What cable and bus-bar sizes are supported?

The transformer supports cables up to 41 mm diameter and multiple bus-bar mounting configurations including up to 51 × 15 mm horizontal bus-bars.

Trusted by Industrial Energy Monitoring Professionals

Carlo Gavazzi CTD current transformers are trusted by electrical engineers and automation professionals for accurate measurement, flexible installation and reliable monitoring of industrial power systems.

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

 Tick  Priority sourcing and supply support

 Tick  Flexible payment terms for qualifying organisations

 Tick  Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 

Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

 

At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

What product ranges do you supply

We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products. 

Can you help specify the correct part?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

Do you have stock for urgent orders?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What are your delivery times and costs?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

What about warranties, returns and faulty items?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

● latest blog

Discover  our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

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.

LED Controls: Danfoss Drives Authorised Partner

LED Controls: Danfoss Drives Authorised Partner

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...

LED Controls: Your Complete Control Panel Solution

LED Controls: Your Complete Control Panel Solution

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...