Replacement works for 123 kV and 245 kV circuit breakers January 15, 2018 | Europe Tenders International competitive bids are invited to enter into a five-year framework agreement for the replacement of 123 kV and 245 kV circuit breakers, manufactured by AEG, Alstom, ABB and Siemens. This content is available to only paying subscribers. Username or E-mail Password Remember Me Forgot Password