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VN3-12 Indoor MV Embedded Pole Insulated Vacuum Circuit Breaker

VN3-12E, A 12kV VCB developed by Cooper Edison R&D center, provide the reliable controling and protection solution for domestic and oversea utility and industry customers.
●Complete species series, rating up to 5000A-50kA, mechanical life up to 30,000 cycles.
●Low resistance Cooper VI, insulation reliable embedded pole.
●Modular spring mechanism , easy to maintenance.  
●Conductive parts dealt with silver plating in main circuit, more conductive, lower contact resistant. 
●Self-lubricated bearing provide maintenance-free.
●Advanced surface treatment and lubrication technology, suit for humid region.
●High-performance oil buffer and optimized design of CAM curve, effectively improved the performance of VCB.
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