Key Structural Features
Vacuum Interruption Chamber: Uses a sealed vacuum arc-extinguishing medium, ensuring arc quenching without producing harmful gases.
Spring Operating Mechanism: Equipped with a reliable mechanical energy storage system, allowing fast closing and opening actions.
Modular Design: Compact structure suitable for withdrawable and fixed switchgear installations.
High Electrical Endurance: Supports up to 30,000 mechanical operations, depending on model and application standards.
Insulation Safety: Solid insulation system prevents pollution, moisture, and aging risks.
Advantages
No SF6 gas, making it an environmentally friendly device.
Low maintenance — no need to replace gas or oil.
Fast arc extinction and small contact erosion extend lifespan.
Suitable for frequent switching operations.
Typical Applications
Power grid distribution networks
Mining and transportation systems
Commercial building power systems
Renewable energy integration panels
The ZN63 VCB is widely recognized for its durability, high breaking capacity, and adaptability to modern smart switchgear environments.
