What is the electrical endurance of SF circuit breaker in SM6 24kV? how many times the circuit breaker can break the short circuit current?

The electrical endurance for SF circuit breakers in SM6-24kV range complies to class E2 to IEC 62271-100,
The circuit breaker number of operations can be given as follows for various short circuit current rated values:

• 30 breaks at 12.5 kA
• 25 breaks at 25 kA

Released for:Schneider Electric South Africa