This high-voltage ACB air circuit breaker is engineered for reliable performance in demanding electrical environments. With a rated voltage of 40.5kV, it is ideal for applications in overhead lines, industrial plants, mining operations, power stations, and substations. The breaker ensures system protection under normal operating conditions and meets grid requirements with automatic re-making, stable operation, and a long electrical life.
Designed to comply with international standards including IEC 62271-100 and GB/T 11022-2011, this circuit breaker offers robust performance and safety. It operates effectively in ambient conditions with altitudes up to 2000 meters, temperatures ranging from -40°C to +40°C, and relative humidity not exceeding 95% daily or 90% monthly. The device is built to withstand pollution level IV and wind speeds up to 34m/s.
Key features include a vacuum arc-extinguishing medium for efficient interruption, electric operation type, and high-speed breaking capacity. It provides comprehensive protection functions such as conventional circuit breaking, circuit-breaker failure protection, overcurrent protection, and overvoltage protection (OVP). The fixed installation structure and three-pole design ensure ease of integration into various power systems.
Certifications include VDE, ISO9001-2000, CE, CB, and CCC, affirming its quality and reliability. The product supports OEM and customization options, with a delivery time of 15 days to one month. A one-year warranty is provided, backed by lifelong technical support and after-sales services to ensure customer satisfaction and uninterrupted operation.