GE Vernova unveils SF6-free circuit breaker for high-voltage grids
GE Vernova Inc. has launched a 420 kV, 63 kA CO₂-O₂ Live Tank Circuit Breaker, GL316c, at CIGRE Paris 2026, expanding its range of high-voltage transmission technologies for network operators upgrading and reinforcing transmission infrastructure. The GL316c uses a carbon dioxide and oxygen (CO₂/O₂) mixture instead of sulfur hexafluoride (SF₆) as the insulating and interrupting…