Generators are the critical heart of power generation within our electric systems. Being able to safely handle short-circuit currents in that area is absolutely crucial and one of the most demanding tasks in medium-voltage networks. The Siemens SION 3AE2 vacuum circuit-breaker is designed precisely for these exceptional demands: a solution that combines technical excellence with clear customer benefits - making it an indispensable part of your infrastructure.
- up to 17.5 kV
- up to 31.5 kA
- up to 4000 A
As part of the globally established SION product platform, the 3AE2 stands for proven quality and forward-looking technology. Its type testing according to the stringent generator standard IEC/IEEE 62271-37-013 is a clear promise of performance, as the 3AE2 confidently handles the extreme switching duties that appear in generator-near networks.





