Circuit breakers


 More than 80,000 high-voltage circuit breakers with thermal-assisted interrupters and spring operating mechanisms are in service worldwide Another 8,000 new 36-800 kV solutions are being commissioned every year.

World-class range up to 1200 kV  


Alstom Grid is one of the top three circuit breaker suppliers in the world. Our products include:


  • Live Tank  Circuit Breakers (GL range)
  • Dead Tank Circuit Breakers (DT range)
  • Compact Modules - ranging from 36 kV to 1200 kV.


 Alstom Grid's complete product portfolio enables us to respond to any customer need, including power generation with our Generator Circuit Breakers for installations up to 50 kV - 1500 MW. 


Use the links below for more information on specific products.