How do you change CTs in Air Circuit Breaker?

To change the current Transformers (CTs) in an air circuit breaker, first ensure that the circuit breaker is de-energized and properly isolated from the electrical supply for safety. Remove the cover of the circuit breaker, then carefully disconnect the wiring associated with the existing CTs. Next, detach the old CTs from their mounting, install the new CTs in their place, and reconnect the wiring. Finally, close the circuit breaker and perform a functional test to verify proper operation.