Current Transformers

The latest current transformers make it possible to measure high current values and indicate these using instruments of a much lower rating.

When choosing a current transformer it is important to not only check the dimensions are suitable but also to check the accuracy class and burden required. Owing to high costs in cable we recommend the use of a current transformer for the current measurement above 40A unless otherwise specified.
You will also need to consider the length of cable between the instrument and CT; size of the cable and the burden required which the instrument will consume. In retro-fit applications it is possible to use a split core current transformer as it is easier and faster to install. These products also come in various sizes and current ratings.
We have developed the three phase current transformers with plug in connectors for fast installation. The single phase solid core current transformers come in various different shapes and sizes to cater for most busbar or cable dimensions.
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