Leading SF₆-free Breaker with 63 kA Short-Circuit Current

The SF₆-free DT1-145g rated for 63 kA represents the latest dead tank circuit breaker technology. The DT1-145g-63 is suitable for application up to nameplate ratings, including definite-purpose switching. It meets the challenges of networks up to 145 kV for power generation, transmission and energy-intensive industry applications.

As compact as a SF₆ Breaker, just with a significant reduced carbon footprint

Using our g³ insulating and switching SF₆-free technology, the new DT1-145g-63 remains compact with the same footprint as the existing SF₆ version. Performance and life-cycle costs remain similar while offering a significant decrease in carbon footprint. The gas contribution to global warming is reduced by about 99% using g³ gas instead of SF₆.

DT1-145g dead tank circuit breakers are part of GRiDEA, our portfolio of solutions designed to accelerate the decarbonization of the grid.

The Center of Excellence for dead tank circuit breakers is located in Charleroi, PA (USA).