ABB CT ASK 41.1 250/5A CL.05 current transformer with 250A primary current, 5A secondary output and Class 0.5 accuracy for industrial switchgear applications.
£397.55
The ABB CT ASK 41.1 250/5A CL.05 is a high-accuracy current transformer designed for reliable current measurement in low-voltage switchgear and power distribution applications. With a primary current rating of 250 A and a secondary output of 5 A, it provides accurate current transformation for monitoring, metering and protection systems.
This current transformer is part of the ABB SlimLine XR accessory range and is designed for integration with ABB switch disconnector fuse systems. Its compact construction allows efficient installation within electrical assemblies while maintaining dependable measurement performance.
With a 250/5 A transformation ratio, Class 0.5 accuracy and a 5 VA rated burden, the ABB CT ASK 41.1 250/5A CL.05 is suitable for industrial energy monitoring, electrical measurement and low-voltage distribution applications.
Current transformers such as the ABB CT ASK 41.1 250/5A CL.05 allow high electrical currents to be safely measured by reducing the primary current to a standard 5 A secondary signal suitable for meters, monitoring equipment and protection devices.
The ABB design provides dependable integration into low-voltage distribution systems, helping engineers achieve accurate energy monitoring and reliable electrical protection within industrial installations.
| HS Code | 85043129 |
|---|---|
| Country of Manufacture | Bulgaria |
| Manufacturer | ABB |
| Series | CT ASK 41.1 |
| Model | CT ASK 41.1 250/5A CL.05 |
| Product ID | NHSN718056P5025 |
| Product type | Current transformer |
| Primary current | 250 A |
| Secondary current | 5 A |
| Accuracy class | Class 0.5 |
| Rated burden | 5 VA |
| Application | ABB SlimLine XR switchgear systems |
| Dimensions (W × H × D) | 55 × 55 × 85 mm |
| Weight | approx. 0.5 kg |
The CT ASK 41.1 250/5A CL.05 is a current transformer designed for accurate current measurement in ABB SlimLine XR switchgear and industrial power distribution applications.
The transformer has a 250 A primary current rating.
The secondary output current is 5 A for connection to standard measuring and protection equipment.
The current transformer provides Class 0.5 accuracy for precise current measurement.
The CT ASK 41.1 250/5A CL.05 has a rated burden of 5 VA.
ABB current transformers are widely used by electrical engineers and panel builders to provide accurate current measurement and dependable monitoring within industrial power distribution systems.
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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...