Fixed Style Indoor Vacuum Circuit Breaker Suitable for Subway Power Systems

Fixed Style Indoor Vacuum Circuit Breaker Suitable for Subway Power Systems. High Altitude Performance: Designed for reliable operation in high altitude breaking loads and frequent operation places. Long Mechanical Life: Mechanical life up to 30,000 cycles with optional permanent magnetic actuator for ultra-fast switching. Versatile Mounting Options: Can be used as fixed installation unit or equipped with chassis as a draw-out handcart unit. Compact Design: Features 150mm pole distance and 650mm cabinet width, fitting standard switchgear layouts. Dual Energy Storage: Spring energy storage supports AC, DC, and manual operation modes for flexibility. Maintenance-Free Operation: Sealed vacuum chamber ensures maintenance-free performance for critical transmission systems. Comprehensive Protection: Provides conventional circuit breaker, failure protection, and overcurrent protection functions. Strict Quality Standards: Conforms to National Standard GB1984-2003 and related IEC standards for safety and reliability.