RHB-52 Live-Tank SF6 Circuit Breaker, 52kV-rated for outdoor substation installation, delivering stable performance in challenging conditions.
- Rated Voltage: 52kV
- Rated Current: 1250A / 2000A / 2500A / 3150A / 4000A
- Frequency: 50Hz / 60Hz
- Rated Short-time Withstand Current (3s): 20kA / 25kA / 31.5kA / 40kA
- Rated Short-circuit Making Current (peak): 50kA / 63kA / 80kA / 100kA
- Operating sequence: O-0.3s-CO-3min-CO
RHB-52 is outdoor live tank SF6 circuit breaker complying with IEC 62271-1 and IEC 62271-100 and KEMA type tested. Rated voltage 52kV, 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 52kV outdoor substations for power circuit control and fault protection.