ZW32-24 Outdoor High-Voltage Vacuum Circuit Breaker

Overview: The ZW32-24 is a advanced three-phase AC outdoor vacuum circuit breaker engineered for reliable performance in 50/60 Hz power systems with a rated voltage of 24 kV. Designed for overhead lines, power plants, and industrial substations, this circuit breaker delivers exceptional protection and control for electrical equipment in medium-voltage distribution networks. Its robust construction and advanced arc-quenching technology make it particularly suitable for demanding environments requiring frequent operations and automatic reclosing. Key Features & Benefits: Extreme Weather Adaptability: Specifically engineered for harsh outdoor conditions, the ZW32-24 operates flawlessly in temperatures ranging from -40°C to +40°C. Its design withstands high wind speeds (up to 34 m/s) and severe soiling levels (≤ IV), ensuring reliable performance in desert, coastal, and industrial environments common in the Middle East. Superior Interruption Performance: Demonstrates exceptional capability in handling short-circuit current connections and disconnections with rated breaking currents up to 25 kA and peak withstand currents up to 63 kA, ensuring grid stability and equipment safety. Advanced Insulation System: Features robust insulation with lightning impulse withstand voltage of 125 kV and 1-minute power frequency withstand voltage of 65 kV, providing reliable protection against overvoltages and transient surges. Extended Operational Life: Designed for up to 10,000 mechanical operations and 30 interruptions of rated short-circuit current, minimizing maintenance requirements and lifecycle costs. Automatic Reclosing Capability: Fully compliant with automatic reclosing requirements, enhancing power supply continuity and grid automation capabilities. Technical Specifications: Rated Voltage: 24 kV Rated Current: 630 / 1250 / 1600 A Rated Short-Circuit Breaking Current: 16 / 20 / 25 kA Rated Short-Circuit Closing Current: 40 / 50 / 63 kA Rated Frequency: 50/60 Hz