Atelier A.H.R. has developed special techniques & processes for refurbishment of high voltage circuit breakers.

Our expertise

Our expertise includes back engineering, improvement, manufacturing of parts for small & bulk oil, air blast and SF6 circuit breakers. Refurbishment of main contacts (machining and plating) had specifically contributed to Atelier’s A.H.R. reputation.


Covering the Canadian territory, we are located in Brossard (Quebec, Canada). Since its early days, AHR has always teamed up with the worldwide best specialists and manufacturers in high power and high voltage apparatus.