Application: in 12kV power distribution system for control and protection. 
Standards: IEC 62271-100

Parameters:   Rated voltage: 12kV.  
                          Rated current: 630-5000A.
                          Rated short-circuit breaking current: 20-50kA.

Features:         1.Advanced arc-extinguishing mode adopted.
                          2.High insulation level and peak withstand current capacity.
                          3.Impact and vibration reduced, Less maintenance.
                          4.Mechanical endurance up to 20,000 ti20130111133503_1.pdf.

• ZN63A-12 (VS1) Vacuum Circuit Breaker, Indoor Type

 Country                 End Users
Netherlands      ENEXIS
Indonesia          SIBAYAK Geothermal Power Plant
China                  INVISTA
Australia             Visy Paper Pty Ltd
Russia               TORGOVYIDOM STROJPODSTANZII LTD
...