What is Isolation Current transformer and what purpose to use it in REF relay

What is Isolation Current transformer and what purpose to
use it in REF relay ?

Question Posted / vikas.sahu

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What is Isolation Current transformer and what purpose to use it in REF relay ?..

Answer / rajnikanth

isolation transformer is the two winding transformer. it's
used in relays to transform or step down a minimum amount of
required voltage,say 5v from 12 volts.

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