
12kv Class Type System Indoor Vacuum Circuit Breaker Used in Class Type Systems. High Breaking Capacity: Supports 20-40kA breaking current with vacuum interrupter for reliable performance. Long Mechanical Life: 30,000 mechanical cycles and 50 breaking cycles for high-frequency operations. Flexible Installation: Available in fixed or draw-out types with modular design for various cabinets. Robust Protection: Features overcurrent, OVP, and failure protection compliant with GB1984-2003. Customizable Options: Offers custom rated voltage, current, and frequency to meet specific project needs. Low Maintenance: Corrosion-resistant construction and vacuum arc extinguishing ensure durability. Energy Storage Operation: Spring-operated energy storage mechanism supports AC/DC/manual operation modes.