VCR6-24 Indoor High-Voltage Vacuum Circuit Breaker

Overview: The VCR6-24 is a three-phase AC indoor vacuum circuit breaker designed for 50 Hz power systems with a rated voltage of 24 kV. It serves as a reliable protection and control unit for grid equipment and industrial machinery, ideal for environments requiring frequent operations or multiple short-circuit interruptions. The integrated operating mechanism allows for both fixed installation and mobile unit configuration. Key Features: Wide Temperature Range: Operates reliably from -40°C to +40°C with humidity control (daily average ≤95%, monthly ≤90%), ensuring stable performance in diverse indoor environments. High Interruption Capacity: Rated short-circuit breaking current up to 40 kA and peak withstand current up to 100 kA, providing robust protection for critical infrastructure. Superior Insulation: Lightning impulse withstand voltage of 125 kV and 1-minute power frequency withstand voltage of 65 kV, ensuring reliable protection against overvoltages. Flexible Installation: Suitable for fixed installation or mobile units with dedicated actuation mechanisms, offering versatility for various switchgear configurations. Long Operational Life: Mechanical life of 10,000 operations and capability to interrupt rated short-circuit current 30 times, reducing maintenance needs. Technical Specifications: Rated Voltage: 24 kV Rated Current: 630–3150 A Rated Short-Circuit Breaking Current: 20–40 kA Rated Peak Withstand Current: 50–100 kA Rated Frequency: 50 Hz Rated Short-Circuit Duration: 4 s Weight: 120 kg Applications: Power distribution networks and substations Industrial manufacturing facilities Commercial complexes and power plants Mining and heavy industry operations The VCR6-24 combines advanced vacuum interruption technology with a compact design, delivering reliable performance and easy installation for modern medium-voltage power systems.