TOKYO, Dec 9, 2024--- Hitachi, Ltd. announced today that it received an order for five units of Hitachi Energy's sulfur hexafluoride- free EconiQ 300 kilovolt circuit-breaker from Chubu Electric ...

Upon completion in 2022, the g3 circuit-breaker is expected to be the first SF6-free 420 kV gas-insulated substation circuit-breaker in the world. A circuit-breaker is protective equipment used to ...

ABB introduced a new remote monitoring solution for any OEM circuit breakers filled with sulfur hexafluoride (SF6) gases, at its booth at the IEEE PES T&D Expo. The Circuit Breaker Sentinel, or CBS-F6 ...

The high-voltage circuit breakers and gas-insulated switchgear from Siemens – with vacuum-interruption and clean-air technology in the high-voltage range – are upgrades to the circuit breakers and ...