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Current Transformers

Current transformers (CTs) step high primary currents down to a safe, measurable level for meters and protection devices. The right CT, correctly sized and installed, is the foundation of every accurate bulk metering installation.

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Key Features

  • Wide range of ratios from 100/5A upwards

  • Solid core and split core options

  • Metering accuracy classes

  • Compact designs for busbar and cable mounting

  • Pairs perfectly with our CT operated meters

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Applications
Bulk electricity metering, panel meter installations, energy monitoring retrofits and protection circuits in commercial and industrial switchboards.

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How to Choose
Size the ratio to your maximum load with headroom (a 400A supply typically uses a 400/5A CT), confirm the burden and accuracy class your meter requires, and choose split core when retrofitting without disconnecting cables.

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