
Frequent Use Indoor Vacuum Circuit Breaker Ideal for Packaging Factories. High Mechanical Life: 30,000 operations with optional permanent magnetic actuator for ultra-frequent use. Versatile Mounting Options: Supports both fixed installation and draw-out handcart unit configurations. Flexible Energy Storage: Spring energy storage compatible with AC, DC, and manual operation modes. Compact Design: 150mm pole distance and 650mm cabinet width fit standard switchgear cabinets. High Breaking Capacity: Rated short-circuit breaking current up to 40kA for robust protection. Maintenance-Free Operation: Sealed vacuum chamber ensures long life and corrosion-resistant contacts. Comprehensive Protection: Features overcurrent protection and circuit-breaker failure protection functions. Standard Compliance: Conforms to GB1984-2003 and related IEC international standards.