This 145kV live tank SF6 circuit breaker adopts self-blast arc extinguishing technology and fully complies with IEC standards
RHB-145 is outdoor live tank SF6 circuit breaker complying with IEC 62271-1 and IEC 62271-100 and KEMA type tested. Rated voltage 145kV, 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 145kV outdoor transmission substations for power circuit control and fault protection.