
12kv Outdoor M. V. Permanent Magnetic Vacuum Circuit Breaker (ZW32). Permanent Magnetic Mechanism: Advanced mechanism with 30,000 mechanical life, 3x longer than spring type, reducing spare parts by 70%. Full-Sealed Structure: Vacuum interrupter and mechanism sealed together, preventing condensation and ensuring 10 years of maintenance-free operation. Miniaturized Integrated Design: Uses compound solid isolation material to integrate interrupter and poles, solving size and isolation conflicts. Automatic Control Functions: Features remote measurement, adjustment, control, and communication via RS-485 connector. High Breaking Capacity: Capable of breaking 16kA or 20kA short-circuit currents with 4s duration and 50kA peak making current. Comprehensive Protection: Provides three-phase overcurrent protection, auto-reclosure, and OVP for reliable power distribution. Wide Application Scope: Suitable for substations, industry-mining enterprises, and rural electrical power distribution systems. International Certifications: Certified with ISO9001-2000, CE, CCC, and GB standards for quality and safety assurance.