Cogelex

About Cogelex

French manufacturer of high-voltage electrical equipment, established circa 1951 and based in Boulogne-Billancourt, Île-de-France. Product line includes gas-insulated switchgear (GIS), high-voltage circuit breakers, power transformers, current transformers (CT), voltage transformers (VT), and protective relays. Part of the Alstom Transmission and Distribution lineage — Alstom held a 48% stake; AREVA acquired Alstom's T&D division in 2004, placing COGELEX under AREVA T&D. GE subsequently acquired Alstom's grid assets (~2015), and COGELEX continued as part of GE Grid Solutions. Served international electrical infrastructure projects including high-voltage substation work in Saudi Arabia. High-voltage switchgear, GIS, power transformers, current transformers, circuit breakers, protective relays, HV electrical equipment, French electrical manufacturer.

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