Widely used in 170kV outdoor transmission & distribution substations, power plant switchyards, industrial power stations and large renewable energy projects, for circuit switching, overload and short-circuit fault protection.
170kV live-tank SF6 circuit breaker for outdoor substation use, with reliable breaking performance and excellent dielectric strength.Built to withstand harsh environments, ensuring stable and safe power system operation.
RHB-170 is outdoor live tank SF6 circuit breaker complying with IEC 62271-1 and IEC 62271-100 and KEMA type tested. Rated voltage 170kV, rated current up to 4000A, short-circuit breaking current up to 40kA. It adopts self-blast arc quenching and oil-free spring mechanism, composite or porcelain insulators optional. It is widely applied in 170kV outdoor transmission substations for power circuit control and fault protection.
Customizable live tank SF6 circuit breaker for 123kV, 145kV, and other ratings, offering reliable, high-voltage protection for transmission lines.
Live tank SF6 gas circuit breaker for 40.5kV to 363kV systems, delivering reliable, high-performance protection for transmission and substation applications.
HV live tank SF6 circuit breaker for 252kV, 420kV, and 550kV, delivering reliable protection for extra high-voltage transmission networks.
It features compact footprint, high insulation level, intelligent secondary control & monitoring. The annual SF₆ leakage rate is less than 0.5% with a 30‑year maintenance cycle for substation outdoor application.
RHB-170 is 170kV outdoor live tank SF6 gas circuit breaker, three-phase AC high voltage switchgear with SF6 as arc quenching and insulation medium.
IEC 62271-1, IEC 62271-100, KEMA type tested.
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