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.
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El RHB-252 se utiliza en subestaciones de transmisión al aire libre de 252 kV, patios de maniobra de centrales eléctricas y grandes proyectos de energías renovables para la conmutación de circuitos y la protección contra fallos.
La tensión nominal del RHB-252 es de 252 kV, con una corriente nominal de hasta 5000 A; la corriente nominal de soporte de corta duración es de 40 kA/50 kA (3 s).
El RHB-252 adopta la extinción del arco por auto-soplado y un mecanismo de accionamiento por resorte sin aceite. Los aisladores de soporte compuestos o de porcelana son opcionales.
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