What are the tests conducted on a circuit breaker?

As such the IEC standards governing Circuitbreaker / Isolators is IEC 62271-1-2007

the following are the tests conducted on a Circuit Breaker :

  1. Power Frequency voltage withstand test

  2. Lightning Impulse Withstand test

  3. Switching Impulse voltage withstand test

  4. Visible corona test

  5. Corona Inception/extinction test

  6. RIV test