Current Transformers
Current transformers (ct, ti) SOCOMEC, measurement sensor from 5 to 5000A are ideal for industry and the tertiary…
Frequently Asked Questions
Current transformer (CT) reduces high current to measurable range (5A or 1A). Enables safe metering of circuits >30A without high heat, large conductors.
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Electromagnetic induction principle. High current (primary winding) creates magnetic field. Secondary winding intercepts field, induces proportional lower current.
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Install CT in series with main power conductor, immediately upstream of breaker or downstream of utility meter. One CT per phase (3 CTs for three-phase).
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