
40.5kv Outdoor M. V. Vacuum Circuit Breaker with Spring Operation Mechanism. Dual Operation Mechanisms: Equipped with both spring and electromagnetism mechanisms for flexible control. Comprehensive Certifications: Certified by CCC, ISO9001, and compliant with GB and IEC standards. High Mechanical Durability: Mechanical life reaches 6000 operations for long-term reliability. Robust Insulation Performance: Features porcelain insulator column design with high withstand voltage. Versatile Application Scope: Ideal for city/township distribution networks and mining enterprises. Fast Breaking Time: Full breaking time is less than 80ms to ensure rapid protection. High Current Capacity: Rated current up to 2000A with short-circuit breaking up to 31.5kA. Standardized Design: Meets GB1984 and IEC-65 standards for high-voltage AC circuit breakers.