Supply of disconnectors for 500 kV, 362 kV and 145 kV substations September 22, 2017 | Latin America Tenders Competitive bids are invited for the supply of disconnectors for the 500 kV Serra da Mesa 9R, 362 kV Porto Colombia 9R and 145 kV Victory 18R substations. This content is available to only paying subscribers. Username or E-mail Password Remember Me Forgot Password