VS1-12kV/1600A~3150A Vacuum Circuit Breaker – Technical Description The VS1-12kV/1600A~3150A is a high-performance, medium-voltage vacuum circuit breaker designed for reliable operation in electrical distribution systems up to 12kV. It features a compact, robust construction and is widely used in switchgear, substations, and industrial power systems for protection and control applications. Key Features 1. Voltage & Current Ratings: - Rated voltage: 12kV - Continuous current range: 1600A to 3150A - Short-circuit breaking capacity: Typically up to 31.5kA or higher, ensuring effective fault interruption. 2. Vacuum Interrupter Technology: - Utilizes advanced vacuum interrupters for arc extinction, offering superior dielectric strength and minimal contact erosion. - Hermetically sealed design ensures long service life with minimal maintenance. 3. Operating Mechanism: - Spring-operated mechanism for quick, reliable switching (open/close operations). - Motorized or manual charging options available, with mechanical indicators for status monitoring. 4. Safety & Protection: - Integrated protective relays (optional) for overcurrent, short-circuit, and earth fault protection. - Mechanical interlocks prevent unsafe operations (e.g., closing on fault). 5. Environmental Adaptability: - Suitable for indoor/outdoor installations with a wide operating temperature range (-30°C to +40°C). - Corrosion-resistant coatings and IP-rated enclosures for harsh environments. 6. Modular Design: - Compatible with fixed or withdrawable switchgear configurations. - Easy installation and maintenance with front-access components. Applications - Power distribution networks (utility & industrial). - Renewable energy systems (solar/wind farms). - Mining, oil & gas, and heavy industries requiring high fault tolerance. Advantages - High Reliability: Vacuum technology ensures consistent performance under frequent switching. - Low Maintenance: No SF6 gas or oil, reducing environmental impact and upkeep costs. - Compact Footprint: Space-saving design for efficient panel integration. Standards Compliance Meets IEC 62271, IEEE, and other international standards for safety and performance. The VS1-12kV series combines cutting-edge vacuum switching technology with rugged construction, making it an ideal solution for modern medium-voltage power systems. Its flexibility, durability, and high breaking capacity ensure secure and efficient power distribution across diverse applications.