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CO7’s comprehensive portfolio of medium voltage outdoor circuit breakers provides customers with the latest and proven switching technologies for increased safety and reliability.

Our dead tank circuit breaker solutions provide customers with a wide range of ANSI, IEC and some other countries specific standards, and offer the greatest possible benefit for every application, from grid optimization to smart grid applications.

With more than 3,000 units installed around the world, and still growing, the proven reliability of our outdoor circuit breakers makes them amongst the best medium voltage outdoor circuit breakers with the lowest total cost of ownership on the market.



Low cost of ownership, with a proven track record.

The VOX family of outdoor vacuum SF6-Free substation circuit breakers is one of the most cost-effective and reliable solutions for substations. It performs exceptionally well in harsh ambient conditions, and the sealed-for-life, maintenance-free tank enables customers to significantly reduce the costs associated with inspection and maintenance.

VSB Station Breakers

The most reliable, safe and robust Air-Insulated outdoor breaker

Design for the North American conditions, CO7 Technologies VSB indoor and outdoor vacuum air insulated substation circuit breakers combine the proven medium voltage circuit breaker technology from Schneider Electric and CO7 with our industry-leading design. Engineered and built in our facilities in Montreal (QC) and Sherbrooke, Canada, the VSB Station Breaker meets or exceeds relevant IEEE/ANSI standards for indoor and outdoor circuit breakers at 27kV, up to 2500A.

Doghouse VSB
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