Widely used in 252kV outdoor transmission & distribution substations, power plant switchyards, industrial power stations and large renewable energy projects, for circuit switching, overload and short-circuit fault protection.
This 252kV live-tank SF6 circuit breaker adopts self-blast arc extinguishing technology and fully complies with IEC and GB standards
RHB-252 is outdoor live tank SF6 circuit breaker complying with IEC 62271-1 and IEC 62271-100 and KEMA type tested. Rated voltage 252kV, rated current up to 5000A, short-circuit breaking current up to 50kA. It adopts self-blast arc quenching and oil-free spring mechanism, composite or porcelain insulators optional. It is widely applied in 252kV outdoor transmission substations for power circuit control and fault protection.
Live tank SF6 gas circuit breaker for 40.5kV to 363kV systems, delivering reliable, high-performance protection for transmission and substation applications.
252kV outdoor self-energy high voltage SF₆ circuit breaker: Efficient arc quenching, high reliability for power system switching control & protection.
Live tank SF6 circuit breaker for 145kV to 362kV, offering reliable high-voltage protection and switching for transmission grid applications.
A RHB-252 é utilizada em subestações de transmissão ao ar livre de 252kV, pátios de manobra de usinas elétricas e grandes projetos de energia renovável para comutação de circuitos e proteção contra falhas.
A tensão nominal do RHB-252 é de 252kV, com corrente nominal de até 5000A; corrente nominal de suportabilidade de curta duração de 40kA/50kA (3s).
O RHB-252 adota extinção de arco por auto-sopro e mecanismo de operação por mola livre de óleo. Isoladores de suporte compostos ou de porcelana são opcionais.
Login
