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CTD5S4005AXXX - 400 A Primary current, 5A output 26x32 mm

CTD5S4005AXXX – 400 A Primary current, 5A output 26×32 mm

Carlo Gavazzi CTD5S4005AXXX split-core current transformer with 400 A primary current, 5 A output and 26 × 32 mm window for industrial electrical measurement applications.

SKU: CTD5S4005AXXXMPN: CTD5S4005AXXX
Price
List Price £122.57 ex VAT
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£122.57
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Why Choose the Carlo Gavazzi CTD5S4005AXXX Current Transformer?

The Carlo Gavazzi CTD5S4005AXXX is a high-performance split-core AC current transformer designed for accurate current measurement in industrial electrical systems, energy monitoring equipment and automation applications. Part of the Carlo Gavazzi CTD-5S current transformer series, it provides reliable current transformation with simple installation around existing cables or bus-bars.

The CTD-5S series is designed with a split-core construction, allowing the transformer to be opened and installed without disconnecting the monitored conductor. It includes sealable split-core fixing screws, double screw terminals and a robust housing suitable for demanding electrical measurement environments.

With a 400 A primary current rating, 5 A secondary output and a 26 × 32 mm window size, the CTD5S4005AXXX is ideal for current monitoring, energy management and electrical measurement applications requiring dependable performance and flexible installation.

Key Advantages

  • Split-core AC current transformer designed for easy installation.
  • 400 A primary current rating for industrial current measurement.
  • 5 A secondary output compatible with standard measurement equipment.
  • 26 × 32 mm aperture suitable for cable and bus-bar applications.
  • Sealable split-core fixing screws improve installation security.
  • Double screw terminals support reliable electrical connections.

Key Features

  • Carlo Gavazzi CTD-5S split-core current transformer series.
  • 400 A rated primary current.
  • 5 A rated secondary current.
  • Class 1 accuracy for measurement applications.
  • 26 × 32 mm cable/bus-bar window.
  • Split-core design for installation without conductor removal.
  • Double screw terminals supporting multiple wire connections.
  • Sealable terminal block covers.
  • Bus-bar fixing screws with insulation caps.

Reliable Current Measurement for Industrial Systems

Current transformers such as the Carlo Gavazzi CTD5S4005AXXX provide a safe method of converting high primary currents into standard secondary measurement signals. This allows electrical meters, monitoring devices and energy management systems to measure current accurately while maintaining electrical isolation.

The CTD-5S series is designed for industrial applications where reliable measurement, easy installation and secure mounting are essential. Its split-core construction makes it particularly suitable for retrofit installations and existing electrical systems.

Typical Applications

  • Industrial energy monitoring systems.
  • Electrical distribution panels.
  • Power measurement and metering equipment.
  • Automation and control systems.
  • Motor load monitoring applications.
  • Commercial and industrial electrical installations.

Technical Specifications

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Manufacturer Carlo Gavazzi
Series CTD-5S
Model CTD5S4005AXXX
Product type Split-core AC current transformer
Primary current 400 A
Secondary current 5 A
Accuracy class Class 1 at 5 VA maximum burden
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 Bus-bar / cable mounting
Window size 26 × 32 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
Approvals CE, cURus and CSA
IP Rating IP20

Frequently Asked Questions

What is the Carlo Gavazzi CTD5S4005AXXX used for?

The CTD5S4005AXXX is a split-core AC current transformer used for accurate current measurement in industrial monitoring, energy management and electrical distribution applications.

What is the primary current rating of this current transformer?

The Carlo Gavazzi CTD5S4005AXXX has a rated primary current of 400 A.

What secondary output does the CTD5S4005AXXX provide?

The transformer provides a standard 5 A secondary current output.

What is the aperture size of the CTD5S4005AXXX?

The current transformer has a 26 × 32 mm window for cable or bus-bar installation.

What accuracy class does this current transformer provide?

The CTD5S4005AXXX provides Class 1 accuracy at 5 VA maximum burden and Class 3 accuracy at 10 VA maximum burden.

Trusted by Industrial Electrical Engineers Worldwide

Carlo Gavazzi CTD-5S current transformers provide accurate current measurement, secure split-core installation and reliable performance for modern industrial energy monitoring and automation applications.

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