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VS1 Series High-Voltage Vacuum Circuit Breaker

The VS1 (ZN63A)-type indoor high-voltage vacuum circuit breaker is switching equipment designed for 12kV power systems, serving as the control and protection unit for electrical facilities in industrial and mining enterprises, power plants, and substations. Due to the inherent advantages of vacuum circuit breakers, they are particularly well-suited for applications requiring frequent operations at rated working current or multiple interruptions of short-circuit currents. This circuit breaker complies with the standards GB1984-89 "AC High-Voltage Circuit Breakers," JB3855-1996 ("3.6~40.5kV Indoor AC High-Voltage Vacuum Circuit Breakers"), DL403-2000 "Technical Specifications for Ordering 10-40.5kV High-Voltage Vacuum Circuit Breakers," as well as the relevant requirements outlined in IEC 56 (Publication 87).

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