12kV Vacuum circuit breaker

UNVS1-Drawout-typejpg Product details:

  • Indoor switchgear installation
  • Three phase three wire
  • Rated voltage: 3.3kV, 6kV, 10kV, 11kV, 12.5kV, 13.8kV
  • Rated current: 630-4000A
  • Short-circuit breaking current: 20-40kA
  • Short-circuit closing current(peak): 50-100kA
  • Installation type: draw-out type, fix type.
  • Standard: IEC, ANSI, GB
  • Type name: UNVS1-12, ZN63-12
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UNVS1-12 (ZN63) series indoor vacuum circuit breaker is a three-phase AC 50-60Hz, rated voltage of 3.3kV, 6kV, 10kV, 11kV, 12.5kV, 13.8kV indoor switchgear, control and protection for industrial and mining enterprises, power plants and substations , electrical facilities , and for frequent operation place .Adopting VET operating mechanism and circuit breaker integrated , design can be used as a fixed installation unit can also be equipped with special advance mechanism , the com position of handcart unit used. Some of the main circuit can use the whole solid seal post, in order to achieve smaller circuit breakers, high reliability , maintenance—free, can be equipped with UN-P28-12(GZS) and other handcart switch cabinet in the home can also be used with fixed XGN switchgear.



All UNISUN Electric breaker are in conformity with IEC standards, and recommendations IEC60694、IEC6227-100. Breakers in conformity with specific country standards can also be supplied. (IEEE, GB).