CTD9V12505AXXX – 1250 A Primary current, 5A output 125×35 mm
Carlo Gavazzi CTD9V12505AXXX solid-core current transformer with 1250 A primary current, 5 A output and 36 mm aperture for industrial electrical measurement applications.
SKU:CTD9V12505AXXXMPN:CTD9V12505AXXX
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Why Choose the Carlo Gavazzi CTD9V12505AXXX Current Transformer?
The Carlo Gavazzi CTD9V12505AXXX is a high-performance solid-core AC current transformer designed for accurate current measurement in industrial electrical systems, energy monitoring equipment and power distribution applications. As part of the Carlo Gavazzi CTD-9V current transformer series, it provides reliable current transformation for high-current cable and bus-bar installations requiring dependable measurement performance and secure integration.
The CTD-9V series is a vertical mounting solid-core current transformer range designed for demanding industrial installations. It features bus-bar mounting capability, isolated fixing screws, double screw terminals supporting multiple wire connections and sealable terminal covers for reliable operation in industrial environments.
With a 1250 A primary current rating, 5 A secondary output, 36 mm hole diameter and 36 mm maximum bus-bar width, the CTD9V12505AXXX is suitable for industrial power monitoring, electrical distribution and energy measurement applications requiring accurate current sensing.
Key Advantages
High-performance solid-core AC current transformer designed for industrial applications.
1250 A primary current rating for demanding electrical measurement systems.
5 A secondary output compatible with standard current measurement equipment.
36 mm aperture size suitable for cable and bus-bar installations.
Secure vertical mounting design for industrial electrical systems.
Class 0.5 accuracy for precise current measurement applications.
Reliable Current Measurement for Industrial Systems
Current transformers such as the Carlo Gavazzi CTD9V12505AXXX provide a safe and accurate method of converting high primary currents into standard secondary measurement signals. This enables electrical meters, monitoring equipment and energy management systems to measure current while maintaining electrical isolation.
The CTD-9V series is designed for industrial installations where reliable measurement, robust construction and secure mounting are essential. Its high-current capability makes it suitable for electrical distribution equipment and energy management systems.
Typical Applications
Industrial energy monitoring systems.
Electrical distribution panels.
High-current power measurement equipment.
Automation and control systems.
Electrical load monitoring applications.
Commercial and industrial power installations.
Technical Specifications
Manufacturer
Carlo Gavazzi
Series
CTD-9V
Model
CTD9V12505AXXX
Product type
Solid-core AC current transformer
Primary current
1250 A
Secondary current
5 A
Accuracy class
Class 0.5
Rated secondary apparent power
8 VA
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)
Extended current rating
120%
Security factor
FS ≤ 5
Mounting type
Vertical bus-bar mounting
Hole diameter
36 mm
Maximum bus-bar width
36 mm
Housing material
Self-extinguishing ABS UL 94 V-0
Protection rating
IP00 without terminal covers / IP20 with sealable terminal covers
Standards
EN61869-2
Working temperature
-25 °C to +60 °C
Frequently Asked Questions
What is the Carlo Gavazzi CTD9V12505AXXX used for?
The CTD9V12505AXXX is a solid-core AC current transformer used for accurate measurement of high electrical currents in industrial monitoring, energy management and electrical distribution applications.
What is the primary current rating of this current transformer?
The Carlo Gavazzi CTD9V12505AXXX has a rated primary current of 1250 A.
What secondary output does the CTD9V12505AXXX provide?
The transformer provides a standard 5 A secondary current output.
What is the aperture size of the CTD9V12505AXXX?
The current transformer has a 36 mm hole diameter and supports bus-bars up to 36 mm wide.
What accuracy class does this current transformer provide?
The CTD9V12505AXXX provides Class 0.5 accuracy for reliable industrial current measurement applications.
Trusted by Industrial Electrical Engineers Worldwide
Carlo Gavazzi CTD-9V current transformers provide accurate current measurement, reliable high-current performance and dependable integration into modern industrial energy monitoring and electrical distribution systems.
Manufacturer
Carlo Gavazzi
Series
CTD-9V
Model
CTD9V12505AXXX
Product type
Solid-core AC current transformer
Primary current
1250 A
Secondary current
5 A
Accuracy class
Class 0.5
Rated secondary apparent power
8 VA
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)
Extended current rating
120%
Security factor
FS ≤ 5
Mounting type
Vertical bus-bar mounting
Hole diameter
36 mm
Maximum bus-bar width
36 mm
Housing material
Self-extinguishing ABS UL 94 V-0
Protection rating
IP00 without terminal covers / IP20 with sealable terminal covers
Standards
EN61869-2
Working temperature
-25 °C to +60 °C
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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Customers supported
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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...