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.
Le RHB-252 est utilisé dans les postes de transformation de transport en extérieur de 252 kV, les postes de manœuvre de centrales électriques et les grands projets d'énergies renouvelables pour la commutation de circuits et la protection contre les défauts.
La tension assignée du RHB-252 est de 252 kV, le courant assigné allant jusqu'à 5 000 A ; le courant assigné de tenue de courte durée est de 40 kA/50 kA (3 s).
Le RHB-252 adopte l'extinction de l'arc par auto-soufflage et un mécanisme de manœuvre à ressort sans huile. Des isolateurs de support en matériau composite ou en porcelaine sont disponibles en option.
Connexion
